Conair Kitchen Utensil SC 5 User Manual

Sure Cut Rotary Knife Cutter  
SC-5 Servo Model  
Installation  
Operation  
Maintenance  
Troubleshooting  
The Conair Group, Inc.  
One Conair Drive  
Pittsburgh, PA 15202  
Phone: (412) 312-6000  
Fax: (412)-312-6227  
Instant Access  
Parts and Service  
(800) 458-1960  
(814) 437-6861  
www.conairnet.com  
UGE059/1003  
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INTRODUCTION . . . . . . . . . . . . . . . . . . .1-1  
TABLE OF  
CONTENTS  
Purpose of the User Guide . . . . . . . . . . . . . . . . . . . . . . . . .1-2  
How the Guide is Organized . . . . . . . . . . . . . . . . . . . . . . .1-2  
Your Responsibilities as a User . . . . . . . . . . . . . . . . . . . . .1-2  
ATTENTION: Read this so no one gets hurt . . . . . . . . . . .1-3  
How to Use the Lockout Device . . . . . . . . . . . . . . . . . . . .1-5  
DESCRIPTION . . . . . . . . . . . . . . . . . . . .2-1  
What is the SC-5 Sure Cut? . . . . . . . . . . . . . . . . . . . . . . . .2-2  
Typical Applications . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2-4  
How the SC-5 Sure Cut Works . . . . . . . . . . . . . . . . . . . . . .2-5  
SC-5 Sure Cut Features . . . . . . . . . . . . . . . . . . . . . . . . . . .2-7  
Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2-7  
Optional Equipment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2-8  
INSTALLATION . . . . . . . . . . . . . . . . . . . .3-1  
Unpacking the Boxes . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3-2  
Preparing for Installation . . . . . . . . . . . . . . . . . . . . . . . . . .3-3  
Positioning the SC-5 Sure Cut . . . . . . . . . . . . . . . . . . . . . .3-4  
Connecting the Main Power Source . . . . . . . . . . . . . . . . . .3-6  
Installing the Encoder . . . . . . . . . . . . . . . . . . . . . . . . . . . .3-7  
Installing the Cutter Blades . . . . . . . . . . . . . . . . . . . . . . . .3-8  
Mounting the Cutter Bushings . . . . . . . . . . . . . . . . . . . .3-10  
Checking Repeatability . . . . . . . . . . . . . . . . . . . . . . . . . .3-12  
Preparing for Testing . . . . . . . . . . . . . . . . . . . . . . . . . . . .3-13  
Testing the Installation . . . . . . . . . . . . . . . . . . . . . . . . . . .3-13  
OPERATION . . . . . . . . . . . . . . . . . . . . . .4-1  
The Cutter Control Feature . . . . . . . . . . . . . . . . . . . . . . . .4-2  
Before Starting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4-3  
Powering Up . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4-3  
Main Screen . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4-5  
Preset to Run . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4-10  
Time Preset . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4-11  
Cut Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4-18  
Maintenance Area . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4-19  
Encoder Area . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4-20  
Unit of Measure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4-22  
Scale Distance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4-23  
Homing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4-25  
Offset Example . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4-26  
Preventative Maintenance . . . . . . . . . . . . . . . . . . . . . . . . .4-27  
Power On Time . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4-28  
Checking Cut Quality . . . . . . . . . . . . . . . . . . . . . . . . . . .4-29  
Starting the SC-5 Sure Cut . . . . . . . . . . . . . . . . . . . . . . . .4-29  
Making Adjustments During Operation . . . . . . . . . . . . . .4-30  
Stopping the SC-5 Sure Cut . . . . . . . . . . . . . . . . . . . . . . .4-31  
UGE059/1003  
SC-5 SURE CUT Servo Knife Cutters  
i
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MAINTENANCE . . . . . . . . . . . . . . . . . . . .5-1  
Maintenance Features . . . . . . . . . . . . . . . . . . . . . . . . . . . .5-2  
Warnings and Cautions . . . . . . . . . . . . . . . . . . . . . . . . . . .5-2  
Maintenance Overview . . . . . . . . . . . . . . . . . . . . . . . . . . .5-4  
Preventative Maintenance Schedule . . . . . . . . . . . . . . . . . .5-4  
Checking the Blades . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5-6  
Inspecting Cutter Bushing Screws . . . . . . . . . . . . . . . . . . .5-7  
Checking the Closure Latch . . . . . . . . . . . . . . . . . . . . . . . .5-7  
Cleaning the Blade Tray . . . . . . . . . . . . . . . . . . . . . . . . . .5-8  
Lubricating the Slide Rail System . . . . . . . . . . . . . . . . . . .5-8  
Adjusting the Proximity Switches . . . . . . . . . . . . . . . . . . .5-9  
Checking Electrical Connections . . . . . . . . . . . . . . . . . . .5-10  
B-Loc Installation and Removal . . . . . . . . . . . . . . . . . . . .5-12  
TROUBLESHOOTING . . . . . . . . . . . . . . . .6-1  
Before Beginning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .6-2  
A Few Words of Caution . . . . . . . . . . . . . . . . . . . . . . . . . .6-2  
Identify the Cause of a Problem . . . . . . . . . . . . . . . . . . . . .6-3  
Electrical Problems . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .6-4  
Product Quality Problems . . . . . . . . . . . . . . . . . . . . . . . . .6-8  
Replacing Safety and Proximity Switches . . . . . . . . . . . .6-12  
Checking the Servo Amplifier . . . . . . . . . . . . . . . . . . . . .6-12  
Adjusting the Proximity Switches . . . . . . . . . . . . . . . . . .6-14  
Checking the Encoder . . . . . . . . . . . . . . . . . . . . . . . . . . .6-15  
Checking the Motor/Reducer Assembly . . . . . . . . . . . . . .6-17  
Checking Repeatability . . . . . . . . . . . . . . . . . . . . . . . . . .6-18  
APPENDIX . . . . . . . . . . . . . . . . . . . . . . . . .  
Customer Service Information . . . . . . . . . . . . . . . . . . . . . .A-1  
Warranty Information . . . . . . . . . . . . . . . . . . . . . . . . . . . .A-2  
Cutter Blade Selection and Use . . . . . . . . . . . . . . . . . . . . .B-1  
Cutting Tips . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .B-3  
Calculating Blade Interruption . . . . . . . . . . . . . . . . . . . . . .B-4  
Conair Cutter Blades . . . . . . . . . . . . . . . . . . . . . . . . . . . . .B-6  
All About Cutter Bushings . . . . . . . . . . . . . . . . . . . . . . . .C-1  
Blade and Bushing Lubrication . . . . . . . . . . . . . . . . . . . . .D-1  
Operator Display Overview . . . . . . . . . . . . . . . . . . . . . . . .E-1  
PARTS/DIAGRAMS  
This section has been provided for you to  
store spare parts lists and diagrams.  
SC-5 SURE CUT Servo Knife Cutter  
UGE059/1003  
ii  
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INTRODUCTION  
Purpose of the User Guide . . . .1-2  
How the User Guide  
is organized . . . . . . . . . . . . . . .1-2  
Your Responsibilities  
as a User . . . . . . . . . . . . . . . .1-2  
ATTENTION: Read this so  
no one gets hurt . . . . . . . . . . .1-3  
How to Use the  
Lockout Device . . . . . . . . . . . .1-5  
UGE059/1003  
SC-5 SURE CUT Servo Knife Cutter  
1-1  
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This User Guide describes the Conair SC-5 Sure Cut Servo  
Knife Cutter and explains step-by-step how to install, operate,  
maintain and repair this equipment.  
PURPOSE OF  
THE USER  
GUIDE  
Before installing this product, please take a few moments to  
read the User Guide and review the diagrams and safety infor-  
mation in the instruction packet. You also should review man-  
uals covering associated equipment in your system. This  
review won’t take long, and it could save you valuable instal-  
lation and operating time later.  
Symbols have been used to help organize the User Guide and  
call your attention to important information regarding safe  
installation and operation.  
HOW THE USER  
GUIDE IS  
ORGANIZED  
Symbols within triangles warn of conditions that could  
be hazardous to users or could damage equipment.  
Read and take precautions before proceeding.  
Numbers within shaded squares indicate tasks or steps  
to be performed by the user.  
1
A diamond indicates the equipment’s response to an  
action performed by the user.  
An open box marks items in a checklist.  
A shaded circle marks items in a list.  
You must be familiar with all safety procedures concerning  
installation, operation and maintenance of this equipment.  
Responsible safety procedures include:  
YOUR  
RESPONSIBILITY  
AS A USER  
Thorough review of this User Guide, paying particular  
attention to hazard warnings, appendices and related dia-  
grams.  
Thorough review of the equipment itself, with careful  
attention to voltage sources, intended use and warning  
labels.  
Thorough review of instruction manuals for associated  
equipment.  
Step-by-step adherence to instructions outlined in this  
User Guide.  
SC-5 SURE CUT Servo Knife Cutter  
UGE059/1003  
1-2  
INTRODUCTION  
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We design equipment with the user’s safety in mind. You can  
avoid the potential hazards identified on this machine by fol-  
lowing the procedures outlined below and elsewhere in the  
User Guide.  
ATTENTION:  
READ THIS SO NO  
ONE GETS HURT  
DANGER: Sharp blades!  
Most injuries caused by knife blades occur  
when the cutter has been turned off. Handle  
blades with care at all times.  
Always lock out the cutter before opening the  
cutting chamber.  
Always wear cut-resistant gloves when the  
cutting chamber is open and when handling  
blades.  
SC-5 cutters are equipped with several safety  
devices to ensure safe operation. Never remove  
or disable these devices to sustain production.  
Operating without these devices can cause  
severe injury.  
When the knife guard is opened, the knife  
guard switch stops the cutter.  
Two proximity-type safety switches prevent  
operation unless the cutter bushings are in  
place.  
The STOP button activates a circuit that  
stops the knife. (Do not attempt to change a  
blade or work in the cutting chamber with out  
locking out the power.  
WARNING: Improper installation, oper-  
ation, or servicing may result in  
equipment damage or personal injury.  
This equipment should only be installed, adjust-  
ed, and serviced by qualified technical person-  
nel who are familiar with the construction, oper-  
ation, and potential hazards of this type of  
machine.  
All wiring, disconnects, and fuses should be  
installed by qualified electrical technicians in  
accordance with electrical codes in your region.  
Always maintain a safe ground. Do not operate  
the equipment at power levels other than what  
is specified on the machine serial plate.  
UGE059/1003  
SC-5 SURE CUT Servo Knife Cutter  
INTRODUCTION 1-3  
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WARNING: Voltage Hazard  
ATTENTION:  
READ THIS SO NO  
ONE GETS HURT  
This equipment is powered by three-phase  
alternating current, as specified on the machine  
serial tag and data plate.  
A properly-sized conductive ground wire from  
the incoming power supply must be connected  
to the chassis ground terminal inside the electri-  
cal enclosure. Improper grounding can result in  
severe personal injury and erratic machine  
operation.  
Always disconnect and lockout power before  
opening the electrical enclosure or performing  
non-routine procedures such as maintenance  
and service.  
CAUTION: It is always recommend  
that the main power cord be dis-  
connected and placed in clear view  
of the operator or service person-  
nel while changing blades or ser-  
vicing the cutter in any capacity.  
In order to protect the operator from possible harm from the  
rotating blade wheel, several safety features are built into this  
cutter. They include:  
Two electric switches make a contact between the side  
and the clear polycarbonate sliding blade observation  
windows such that the windows MUST BE CLOSED  
in order to enable the blade wheel to spin.  
This prevents someone from opening the windows and  
having the blade wheel spin which can cause serious  
injury. Tampering with this safety feature will VOID  
ANY responsibility for safety.  
A proximity switch is positioned on both the upstream  
and downstream side of the bushing holder. If there  
are no bushings in either side, the blade will not spin.  
This prevents someone from inserting their hands or  
fingers in the cutting mechanism while the blade wheel  
is spinning. Tampering with this feature will also  
VOID ANY responsibility for safety.  
A safety switch is positioned on the bushing holder flip  
up guard to prevent operation unless fully closed.  
This prevents someone from inserting their hands or  
fingers in the cutting mechanism while the blade wheel  
is spinning. Tampering with this feature will also  
VOID ANY responsibility for safety.  
A lockable main power disconnect is provided to pre-  
vent the possibility of hazardous electrical shock while  
servicing the main electrical enclosure. (See How to  
use the Lockout Device, in Section 1)  
SC-5 SURE CUT Servo Knife Cutter  
UGE059/1003  
1-4  
INTRODUCTION  
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WARNING: Electrical hazard  
HOW TO USE  
THE LOCKOUT  
DEVICE  
Before performing maintenance or repairs on  
this product, disconnect and lock out electrical  
power sources to prevent injury from unexpect-  
ed energization or start-up. A lockable device  
has been provided to isolate this product from  
potentially hazardous electricity.  
Lockout is the preferred method of isolating machines or  
equipment from energy sources. Your Conair product is  
equipped with the lockout device pictured below. To use the  
lockout device:  
Stop or turn off the equipment. Do not stop the  
cutter by turning off the disconnect. Always touch the off  
soft key on the interface first.  
1
Isolate the equipment from  
2
electrical power.  
O
Turn the rotary disconnect switch to  
OFF or O position.  
Secure the device with an  
assigned lock or tag.  
3
The equipment is now locked  
out.  
4
CAUTION: Moving parts  
Before removing lockout devices and returning  
switches to the ON position, make sure that all  
personnel are clear of the machine, tools have  
been removed and all safety guards are rein-  
stalled.  
UGE059/1003  
SC-5 SURE CUT Servo Knife Cutter  
INTRODUCTION 1-5  
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DESCRIPTION  
What is the SC-5 Sure Cut  
Knife Cutter . . . . . . . . . . . . . . . 2-2  
Typical Applications . . . . . . . . . . 2-4  
How the SC-5Works . . . . . . . . . . . 2-5  
SC-5 Features . . . . . . . .. . . . . . . . 2-7  
Specifications . . . . . . . . . . . . . . . . 2-7  
Optional Equipment . . . . . . . . . . . 2-8  
UGE059/1003  
SC-5 SURE CUT Servo Knife Cutter  
2-1  
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The Conair SC-5 Sure Cut Series rotary knife cutter has been  
designed to be “The most versatile cutter of the industry”.  
WHAT IS THE  
SC-5 SURE  
CUT?  
With both capacity to cut small parts at high speeds or large  
tubes or profiles at low speeds this cutter can eliminate the  
need for moving cutters in and out of a line per application.  
Today with custom profile houses potentially running 2-3 dif-  
ferent profiles on one line in a given day, time is at a premi-  
um. Having to move different cutters in and out of line is no  
longer acceptable when time is money.  
Mechanical Features  
This series of servo rotary knife cutters use a 24 inch diameter  
flywheel optimizing surface speed and power. This is in fact  
the largest diameter wheel which could be used while still  
allowing it’s mounting under the bushing holder.  
Flywheel  
With a 24 inch diameter flywheel which is 1inch thick, many  
benefits become available.  
Planetary Gear Reducer  
A 10:1 in-line servo motor rated planetary gear reducer with 7  
arc-minutes maximum backlash is mounted directly to a 3000  
rpm brushless servomotor. A top flywheel speed of 300 rpm is  
realized. Even though the flywheel appears to be moving  
slowly, the actual surface speed at the blade at only 300  
RPM’s is over 0.438 inch per millisecond. That’s twice the  
surface speed of a typical clutch brake cutter.  
Instead of mounting the cutter head directly to the servo motor  
shaft, which is generally not designed for high radial load or  
axial load due to small shaft diameters, the 24 inch flywheel is  
mounted to the planetary gear reducer shaft which is designed  
for just this type of application. At the gear ratio and output  
speeds which this cutter was designed, radial load on the out-  
put shaft of the reducer is in excess of 1000 lbs where the  
servo motor shaft may only be 100 lbs or less. Potential wear  
on the servo motor shaft bearings is minimized.  
The high speed\low torque power of the servo motor is effi-  
ciently converted into a low RPM\high surface speed\high  
torque power more suitable for cutting applications.  
Continued  
SC-5 SURE CUT Servo Knife Cutter  
UGE059/1003  
2-2  
DESCRIPTION  
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The larger diameter flywheel used on the servo cutter offers  
the potential of higher surface speeds at dramatically lower  
blade rpm’s with high cutting torque. The typical grey area  
between on-demand cutting and flywheel cutting (150 cpm  
on-demand up to 300 cpm flywheel), typically seen in DC dri-  
ven clutch\brake cutter is eliminated.  
WHAT IS THE  
SC-5 SURE  
CUT?  
CONTINUED  
It should not be necessary to cut in on demand mode in excess  
of 150 cuts per minute which will greatly save on premature  
wear to the system. Not only does this cutter offer optimum  
blade surface speed throughout an extremely wide cuts per  
minute range, but extreme accuracy throughout.  
The added benefit of the 24 inch diameter by one inch thick  
aluminum wheel is the stored inertia which adds power for  
cutting larger profiles and tubes. The size of the wheel actual-  
ly adds horsepower to the system. Due to the use of 10:1 gear  
reduction, the servomotor is made extremely efficient and eas-  
ily able to handle this weight with out detrimental effects.  
UGE059/1003  
SC-5 SURE CUT Servo Knife Cutter  
DESCRIPTION 2-3  
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Cutting from Below the Bushing Holder  
TYPICAL  
APPLICATIONS  
The SC-5 Sure Cut Servo Cutter housing maximizes versatili-  
ty and operational ease. Due to the size of the flywheel it was  
determined best to mount it directly below the bushing holder  
keeping the center of gravity low and offering the following  
benefits:  
ꢀꢀ Accessibility of the flywheel for ease of blade changes.  
Built in blade lubrication tray can be integral to the design  
of the cutting chamber.  
An optional blade heating system can be added to give  
optimum versatility to this cutter.  
With the bushing holder above the flywheel tremendous  
cutting capacity is available without extreme blade length.  
Ease of discharge conveyor interface for part support and  
automatic ejection systems is made simple with this layout.  
The optional slide system can enable the use of rigids and  
flexibles.  
To get the full benefit from the servo cutter Conair has provid-  
ed several cutting modes, see Cutter Control, Section 4. The  
Conair SC-5 Sure Cut servo rotary knife cutter is a truly inno-  
vative cutter. Loaded with features and backed up by the most  
extensive service support system in the industry.  
SC-5 SURE CUT Servo Knife Cutter  
UGE059/1003  
2-4  
DESCRIPTION  
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Extruded material that has been sized and cooled enters the  
cutter from the upstream side (See How the SC-5 Sure Cut  
Works, Section 2, step 1). Typically, a puller is placed just  
before the cutter; the puller pulls the extrudate through the  
sizing and/or cooling tanks and feeds it into the cutter.  
HOW THE SC-5  
SURE CUT  
WORKS  
The positional servo motor, is direct coupled to the cutter  
head, or an in-line planetary gear reducer that drives the cut-  
ter head. The planetary gear reducer arrangement increases  
cutting torque, improves servo motor efficiency, and offers  
improved bearing load ratings.  
The cutting knife, attached to the cutter head, is driven by  
the servo motor (See How the SC-5 Sure Cut Works, Section  
2, step 2). Two cutter bushings guide and support both the  
extrudate and the cutting knife. The cutter head is mounted  
directly to the in-line planetary gear reducer shaft using a B-  
Loc coupling device, and may have as many as four optional  
blade positions. See Installation and Removal of B-Loc,  
Section 5.  
Two types of cutting modes are available. On-demand cut-  
ting modes (Timer, Encoder, Auto and Product) provide a  
single rotation cut cycle. However, in continuous cutting  
modes (Flywheel and Optional Follower) the cutting mecha-  
nism rotates continuously.  
The knife guard includes a stainless steel lower tray, which  
can be used for blade lubrication. The upper knife guard  
includes a clear polycarbonate window. This allows you to  
watch the cutting blade during operation.  
Cut pieces are collected or carried on to further processing  
by an optional conveyor (See How the SC-5 Sure Cut Works,  
Section 2, step 3).  
Continued on next page.  
UGE059/1003  
SC-5 SURE CUT Servo Knife Cutter  
DESCRIPTION 2-5  
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HOW THE SC-5  
SURE CUT  
WORKS  
CONTINUED  
Cut pieces are collected or  
carried away on a conveyor.  
3
Extruded material enters the  
cutter from the upstream side.  
1
The cutter head holds the  
2
blade(s) as they rotate  
and pass between the  
bushings, cutting the  
extrudate.  
SC-5 SURE CUT Servo Knife Cutter  
UGE059/1003  
2-6  
DESCRIPTION  
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The SC-5 Sure Cut Servo Cutter features:  
SC-5  
FEATURES  
Parts discharge chute or  
Wide Range of Cutter  
Bushing Capacities  
optional discharge conveyor  
24-inch diameter fly-  
wheel with multiple  
blade mounting system  
Polycarbonate blade  
observation window  
Optional blade  
lubrication system  
The standard control:  
Heavy-duty leveling  
screws and pads  
Large easy-to-read display.  
Soft keys allows the opera-  
tor to select different func-  
tions.  
Numeric keys permits data  
entry for the operator.  
Fixed function keys contain  
universal symbols and text.  
Optional slide base  
assembly with position  
locking mechanism  
Swivel Casters  
SPECIFICATIONS  
A
B
C
D
24-inch flywheel  
MODELS  
SC-5  
Up to 150 cuts/minute on  
demand with one blade  
ꢀꢀ Up to 300 cuts/minute with one  
blade on Flywheel mode  
ꢀꢀ Blade speeds adjustable to  
300 RPM  
Surface speeds to 0.438 inches  
per millisecond  
Heavy-duty positional AC  
brushless servo drive  
10:1 planetary gear head  
reducer  
Performance characteristics  
Extruder capacity in. {mm}  
Tube diameters  
Profile dimensions  
Blade drive motor Hp {kW}  
Feed direction  
Dimensions in. {mm}  
A - Height  
B - Height to centerline  
C - Length  
2.25 - 5.25 {57 - 133}  
2x4 - 2x10, 4x7 {51x102 - 51x254, 102x178}  
4.6 {3.4}  
right>left  
47 {1194}  
40±2 {1016±50.8}  
44 {1118}  
D - Width  
Voltage/phase/frequency  
Cutter control  
52 {1321}  
230 V/3/60 Hz 0r 460 V/3/60 Hz  
Red Lion {CL01/FM4}  
3,000 pulse bi-directional  
encoder  
UGE059/1003  
SC-5 SURE CUT Servo Knife Cutter  
DESCRIPTION 2-7  
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Slide Base  
OPTIONAL  
EQUIPMENT  
This option is highly recommended for cutting flexible extru-  
dates. While the cutter base is fixed and aligned with the  
puller, the cutter itself is mounted on a set of linear slides that  
allow as much as 12 inches of movement. The cutter can be  
moved away from the puller for startup, then moved close to  
the puller to enhance delivery to the cutter bushings.  
Blade Wipe  
The blade wipe system keeps the cutting blade clean by  
removing lubricant and particles from the blade. A felt pad  
sandwiched between two pieces of stainless steel and mounted  
next to the bushing wipes the knife before each cut.  
Custom Bushing Holder Sizes Available:  
Round  
Profile  
2.25 inch (standard) 2x4 inch  
3.25 inch  
4.25 inch  
5.25 inch  
2x6 inch  
2x8 inch  
2x10 inch  
3x6 inch  
4x7 inch  
Heavy Duty Blade Positions  
One blade position standard  
ꢀꢀ  
Optional 2 or 4 blade positions available  
ꢀꢀ  
Optional simitare blade available (see parts list for optional  
blades.)  
SC-5 SURE CUT Servo Knife Cutter  
UGE059/1003  
2-8  
DESCRIPTION  
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Discharge Conveyor  
A discharge conveyor facilitates the removal of cut parts.  
Discharge conveyors are available in the following sizes:  
OPTIONAL  
EQUIPMENT  
6 inches wide by 6 feet long  
6 inches wide by 10 feet long  
6 inches wide by 16 feet long  
Isolation Transformer  
The isolation transformer protects sensitive electronics from  
incoming power, which helps prevent errors caused by electri-  
cal noise. It also protects equipment from electrical noise gen-  
erated by the servo motor and associated amplifier.  
NOTE: An isolation transformer will not compensate for a  
ground that does not meet code requirements.  
TIP: Conair strongly recom-  
mends the use of an isolation  
transformer. Ensuring clean  
and proper power can help  
avoid the need for costly ser-  
vice calls.  
Left to Right Machine Operation  
This option changes the machine direction from the standard  
right to left extrusion flow.  
Special Paint Type or Color  
This option covers any change from the standard Conair  
paint.  
Your Conair sales representative can analyze your needs and  
recommend the options that are right for your system.  
UGE059/1003  
SC-5 SURE CUT Servo Knife Cutter  
DESCRIPTION 2-9  
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INSTALLATION  
Unpacking the Boxes . . . . . . . . .3-2  
Preparing for Installation . . . . . .3-3  
Positioning the SC-5  
Sure Cut . . . . . . . . . . . . . . . . .3-4  
Connecting the Main  
Power Source . . . . . . . . . . . . .3-6  
Installing the Encoder . . . . . . . .3-7  
Installing the Cutter  
Blades . . . . . . . . . . . . . . . . . . .3-8  
Mounting the Cutter  
Bushings . . . . . . . . . . . . . . . .3-10  
Checking Repeatability . . . . . .3-12  
Preparing for Testing . . . . . . . .3-13  
Testing the Installation . . . . . . .3-13  
UGE059/1003  
SC-5 SURE CUT Servo Knife Cutter  
3-1  
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The SC-5 Sure Cut Series Servo Knife Cutter comes fully  
assembled in a single crate.  
UNPACKING THE  
BOXES  
CAUTION: Lifting  
To avoid personal injury or damage to the cut-  
ter, lift the cutter using a forklift or hoist with  
straps that have been positioned at the cutter's  
center of gravity.  
Carefully uncrate the cutter and its compo-  
nents.  
1
Remove all packing material, protective paper,  
tape, and plastic. Compare contents to the shipping papers  
to ensure that you have all the parts.  
2
Carefully inspect all components to make sure  
3
no damage occurred during shipping. Check all wire ter-  
minal connections, bolts, and any other electrical connec-  
tions, which may have come loose during shipping.  
Record serial numbers and specifications in the  
4
blanks provided on the back of the User Guide's title  
page. This information will be helpful if you ever need  
service or parts.  
You are now ready to begin installation.  
Complete the preparation steps in Preparing for  
5
Installation, Section 3.  
SC-5 SURE CUT Servo Knife Cutter  
UGE059/1003  
3-2  
INSTALLATION  
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PREPARING FOR  
INSTALLATION  
You need these tools for installation:  
1
2
wire strain relief  
16- or 18-inch adjustable wrench  
set of Allen wrenches  
set of feeler gauges  
½ inch open or box end wrench  
flashlight  
Plan the location. Make sure the area where the  
servo cutter is installed has the following:  
A grounded power source. Check the cutter’s seri-  
al tag for the correct amps, voltage, phase and  
cycles. All wiring should be completed by qualified  
personnel and should comply with your region’s  
electrical codes.  
Clearance for safe operation and maintenance.  
Make sure there is enough clearance around the  
servo cutter for maintenance and servicing. If the  
servo cutter has the optional slide base, be sure to  
check for clearance by extending the slide system in  
both directions.  
WARNING: Improper installation, oper-  
ation, or servicing may result in  
equipment damage or personal injury.  
This equipment should only be installed, adjust-  
ed, and serviced by qualified technical person-  
nel who are familiar with the construction, oper-  
ation, and potential hazards of this type of  
machine.  
All wiring, disconnects, and fuses should be  
installed by qualified electrical technicians in  
accordance with electrical codes in your region.  
Always maintain a safe ground. Do not operate  
the equipment at power levels other than what  
is specified on the machine serial tag and data  
plate.  
UGE059/1003  
SC-5 SURE CUT Servo Knife Cutter  
INSTALLATION 3-3  
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POSITIONING  
THE SERVO  
CUTTER  
Move the servo cutter into position. Place the  
1
servo cutter in position downstream of the belt puller.  
CAUTION: Lifting  
To avoid personal injury or damage to the cut-  
ter, lift the cutter using a forklift or hoist with  
straps that have been positioned at the cutter's  
center of gravity.  
SC-5 Cutter  
Determine the best distance from the belt puller to  
the SC-5 Sure Cut cutter.  
2
For flexible products, the cutter should be located  
as close to the puller as possible to insure a mini-  
mum amount of space for the product between the  
point of exit of the puller and the inlet to the cutter  
bushing for most flexible products.  
NOTE: If the slide base option  
was purchased, the cutting  
chamber can be slid back from  
the frame to allow ease of the  
string up procedure.  
For rigid products, allow some deflection space  
between the puller and cutter. This will minimize  
product sag or excessive deflection during cutting  
which could affect the cut length accuracy.  
As a general rule, place the cutter such that you feel  
no shock from the cut with your fingernail placed  
on the extrudate on the entrance of the puller. If you  
feel shock form the cut, simply allow more space  
between the cutter and puller.  
Continued  
SC-5 SURE CUT Servo Knife Cutter  
UGE059/1003  
3-4  
INSTALLATION  
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POSITIONING  
THE SERVO  
CUTTER  
Align the cutter with the extrusion line.  
3
CONTINUED  
Measure the centerline height of the extrudate as  
it exits the extrusion die. Adjust all equipment on the extrusion  
line (sizing tank, cooling tanks, belt puller, and cutter) to this  
height.  
4
5
Adjust the cutter's floorlock/caster assembly  
to the center height of the extrusion line using a 16- or  
18-inch adjustable wrench. Once the correct height is  
reached, adjust the pad assembly to remove the weight  
from the casters for operation. This minimizes machine  
vibration during the cutting cycle.  
Use a plumb line or laser to check for a  
straight line from the extrusion die through each line  
component to the cutter bushings. Adjust as necessary.  
6
UGE059/1003  
SC-5 SURE CUT Servo Knife Cutter  
INSTALLATION 3-5  
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WARNING: Electrical hazard  
CONNECTING  
THE MAIN  
POWER SOURCE  
Before performing any work on this product, dis-  
connect and lock out electrical power sources  
to prevent injury from unexpected energization  
or start-up. A lockable device has been provid-  
ed to isolate this product from potentially haz-  
ardous electricity.  
WARNING: Improper installation, oper-  
ation, or servicing may result in  
equipment damage or personal injury.  
This equipment should only be installed, adjust-  
ed, and serviced by qualified technical person-  
nel who are familiar with the construction, oper-  
ation, and potential hazards of this type of  
machine.  
All wiring, disconnects, and fuses should be  
installed by qualified electrical technicians in  
accordance with electrical codes in your region.  
Always maintain a safe ground. Do not operate  
the equipment at power levels other than what  
is specified on the machine serial tag and data  
plate.  
IMPORTANT: Always refer to  
the wiring diagrams that  
Open the servo cutter’s electrical  
enclosure. Turn the disconnect dial on  
the door to the OFF or O position and  
open the door.  
1
came with your servo cutter  
before making electrical con-  
nections. The diagrams show  
the minimum size main power  
cable required for your cutter,  
and the most accurate electri-  
cal component information.  
Insert the main power wire through the knockout  
in the side of the enclosure. Secure the wire with a rubber  
compression fitting or strain relief.  
2
3
4
5
Connect the power wires to the terminals indicated  
on the wiring diagram that came with your machine.  
Check every terminal screw to make sure wires are  
secure. Gently tug each wire. If a wire is loose, use a  
screwdriver to tighten the terminal.  
Connect the ground wire to either grounding point  
shown in the diagram.  
SC-5 SURE CUT Servo Knife Cutter  
UGE059/1003  
3-6  
INSTALLATION  
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CAUTION: Handle with care.  
The encoder is a delicate piece of equipment  
and must be handled gently.  
INSTALLING THE  
ENCODER  
Conair uses bi-directional encoders to ensure that only product  
that moves forward is counted.  
Installing the encoder consists of sever-  
al parts:  
the encoder  
the measuring wheel  
the connecting cable  
Wheels  
The encoder is fitted with a one foot  
circumference wheel which rides on  
Encoder  
either the upper belt of the belt puller or (for rigid profiles and  
pipe) on the extrudate itself upstream of the puller.  
The encoder is supplied with an integral mounting bracket.  
How and where you attach the encoder to the puller depends  
on your particular puller and application.  
Connecting  
Cable  
If the wheel rides on the puller belt, make sure that its lin-  
ear alignment is the same as the belt. Place the wheel near  
the center of the belt to minimize bouncing. Try to avoid  
cracks and other belt features that may effect accuracy.  
Make sure the location allows you to keep the wheel  
clean. Any small buildup on the wheel will effect its cir-  
cumference and change the cut length.  
After the encoder is installed, attach it to the cutter control  
using the supplied cable. The cable has been hard-wired to the  
control at the factory.  
UGE059/1003  
SC-5 SURE CUT Servo Knife Cutter  
INSTALLATION 3-7  
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DANGER: Sharp blades!  
INSTALLING THE  
CUTTER  
BLADES  
Most injuries caused by knife blades occur  
when the cutter has been turned off. Handle  
blades with care at all times.  
Always lock out power to the cutter before  
opening the cutting chamber.  
Always wear cut-resistant gloves when the  
cutting chamber is open and when handling  
blades.  
Always wait until the cutter head has com-  
pletely stopped before opening the knife  
guard.  
SC-5 Sure Cut cutters are equipped with sever-  
al safety devices to ensure safe operation.  
Never remove or disable these devices to sus-  
tain production. Operating without these devices  
can cause severe injury.  
Never attempt to change or work on Blades  
without first locking out power to the machine.  
When the knife guard is opened, the  
knife guard switch stops the cutter.  
Two proximity-type safety switches prevent  
operation unless the cutter bushings  
are in place.  
The STOP button activates a circuit that  
stops the cutter head.  
Installing the Cutter Blades  
Shut off the main power disconnect and  
unplug the main power cord when entering the  
cutter housing. There is a safety interlock on the cutter  
blade housing that will deactivate the servo amplifier and  
control system.  
1
Remove the screws holding the blades,  
remove the old blades and insert the new  
blades. The blade, or blades as the case may be, will fit  
onto a roll pin or in a machined slot with a blade  
clamp to squeeze or tighten. Secure the blade.  
2
For more information about choosing the appropriate blade for  
your material, see the Appendix B.  
Continued  
SC-5 SURE CUT Servo Knife Cutter  
UGE059/1003  
3-8  
INSTALLATION  
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TIP: We recommend that you:  
INSTALLING THE  
CUTTER  
Apply some protective cover on the portion of  
the blade you are handling, such as masking tape  
to help prevent getting cut during installation and to  
leave it on until such time that you will start and  
check the cutting operation.  
BLADES  
CONTINUED  
Check the length that the blade extends out of  
the cutter blade wheel. The blade needs to be  
carefully checked to insure that the entire blade will  
pass completely through the product.  
This is especially important with the very first insta-  
llation and can be accomplished by rotating the  
wheel with the blade installed manually though the  
bushing and visually check to see that it will com-  
pletely cover the entire bore of the bushing.  
CAUTION: Never attempt to change or work on  
blades without first locking out power to the  
machine.  
CAUTION: Use extreme caution as the blades  
will be very sharp. With the power off, the blade  
wheel can spin freely.  
UGE059/1003  
SC-5 SURE CUT Servo Knife Cutter  
INSTALLATION 3-9  
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DANGER: Sharp blades!  
MOUNTING THE  
CUTTER  
BUSHINGS  
Always wear cut-resistant gloves when the cut-  
ting chamber is open and when handling  
blades. Never open cutting chamber without  
locking out the cutter power and waiting until  
the cutter head stops spinning.  
The Bushings  
Generally, the bushing will be in two parts, an inlet and an  
outlet with the inlet bushing being tapered or otherwise con-  
toured to assist in guiding the product into the cutter mecha-  
nism. It is extremely crucial to the success of the cutting  
process that bushing bores be exact and in perfect alignment  
with each half. They should be polished smoothed, burr free  
and generally several thousands oversized for optimum per-  
formance.  
Installation of the bushing  
Open the top hinged cover (yellow) to expose  
the top of the bushing holder.  
1
Use the two set screws positioned on top of the  
bushing holder and turn them counterclock  
wise to loosen and remove the bushings.  
2
Replace the desired bushings and tighten up  
the two set screws just enough to barely be  
able to move the bushings.  
3
Rotate the blade wheel until the blade enters  
the space between the two bushings.  
4
Move the outlet bushing in until you can bare-  
5
ly feel the blade scrape along the inside of the  
bushing.  
Move the inlet bushing inward until there is  
about 0.001 to 0.003 inch clearance between  
the blade and the outlet bushing.  
6
Tighten the two screws in the housing to lock  
in the bushings.  
7
Rotate the blade wheel by hand so that the blade  
passes through the space between the two bushings to  
8
insure that it will clear without hitting either bushing and  
passes through the space with little effort.  
3-10  
INSTALLATION  
SC-5 SURE CUT Servo Knife Cutter  
UGE059/1003  
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Checking the Alignment of bushing to blade  
CHECKING THE  
ALIGNMENT OF  
THE BUSHINGS  
Once you are sure that the blade will easily clear the bush-  
ings as it goes through the space you should then make  
some test cuts to insure quality.  
Close the safety cover.  
1
Turn on the Power (Rotary main disconnect).  
2
Press the Green start button.  
3
Do several test cuts by pressing the manual  
cut button.  
4
For more information about  
setting and adjusting the gap  
for the bushings, see About  
Cutter Bushings in the  
Appendix C.  
Check the quality of the cuts. Adjust the bush-  
ing if necessary.  
5
UGE059/1003  
SC-5 SURE CUT Servo Knife Cutter  
INSTALLATION 3-11  
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Before any Conair SC-5’s are shipped, they are tested for cut  
time repeatability to be sure they are within performance spec-  
ifications. The repeatability test checks the performance of the  
rotary knife cutter to return to the home park position after a  
complete cut. Acceptable repeatability times allowed for each  
cutter model prior to shipping are:  
CHECKING  
REPEATABILITY  
Type of Cutter  
Repeatability Time  
AC Pneumatic Cutter  
DC Pneumatic Cutter  
Positional Servo  
Less than 1 millisecond  
Less than 1.5 millisecond  
Less than 0.1 millisecond  
Note: 1-millisecond at 60 feet per minute is equal to 0.012 inches.  
The repeatability mode is built into the Conair cutter controls  
and allows you to perform similar tests, without any external  
test equipment. It is recommended that you check repeatability  
on a regular basis. Refer to Operation Section 4, Control  
Instructions Test to run repeatability tests. Acceleration/decel-  
eration delays of the servo do not contribute to repeatability  
error; any error is attributed solely to motor stability, cou-  
plings, assembly, power, and proximity sensor alignment.  
Use any blade speed and line speed. The line speed is only  
seen while in the Encoder or Product modes. It is recommend-  
ed that the tests be performed at cut intervals between 0.5 and  
5-seconds. Do not change the blade speed or the line speed  
after starting the test.  
SC-5 SURE CUT Servo Knife Cutter  
UGE059/1003  
3-12  
INSTALLATION  
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Make sure all components are installed according  
to assembly drawings. Make sure that all bolts on the cut-  
ter have been tightened.  
1
PREPARING FOR  
TESTING  
Check that cutter is firmly locked into position  
with the anchoring screws.  
2
3
1
Check that all wiring conforms to electrical  
codes, and all wiring covers are in place.  
Locate the main disconnect switch on the front  
of the control cabinet. Turn it on. You should see the  
Redlion interface illuminate and start communications  
and the yellow power light should now be on.  
TESTING THE  
INSTALLATION  
Make sure the bushings and the blade doors  
are in place and secure. Check that the bushing  
access door is closed and the threaded knob is tight and  
the E-stop is in the out position.  
2
Press the green start button. If the guard circuit is  
3
4
ready the green start button will now be illuminated.  
Do a test cut, by pressing the black manual cut  
button. You should have caused the flywheel to com-  
plete on test cut.  
To enable the cutter, push the center arrow  
key.  
5
If for any reason any of these steps could not be achieved  
please refer to the troubleshooting section of the manual.  
UGE059/1003  
SC-5 SURE CUT Servo Knife Cutter  
INSTALLATION 3-13  
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OPERATION  
The Cutter Control . . . . . . . . . . .4-2  
Before Starting . . . . . . . . . . . . . .4-3  
Powering Up . . . . . . . . . . . . . . . .4-3  
Main Screen . . . . . . . . . . . . . . . .4-5  
Total Screen . . . . . . . . . . . . . . . .4-6  
Batch Screen . . . . . . . . . . . . . . .4-7  
Length Screen . . . . . . . . . . . . . .4-9  
Preset to Run . . . . . . . . . . . . . .4-10  
Time Preset . . . . . . . . . . . . . . .4-11  
Blade Speed . . . . . . . . . . . . . . .4-13  
Function Areas . . . . . . . . . . . . .4-15  
Test Screen . . . . . . . . . . . . . . . .4-16  
Cut Mode . . . . . . . . . . . . . . . . .4-18  
Min. Measurement . . . . . . . . . .4-19  
Maintenance Area . . . . . . . . . .4-19  
Encoder Area . . . . . . . . . . . . . .4-20  
Unit of Measure . . . . . . . . . . . .4-22  
Scale Distance . . . . . . . . . . . . .4-23  
Homing . . . . . . . . . . . . . . . . . . .4-25  
Offset Example . . . . . . . . . . . . .4-26  
Preventative Maintenance . . . .4-27  
Power On Time . . . . . . . . . . . . .4-28  
Checking Cut Quality . . . . . . . .4-29  
Starting the SC-5 Sure Cut . . .4-29  
Making Adjustments  
During the Operation . . . .4-30  
Stopping the SC-5 Sure Cut . .4-31  
UGE059/1003  
SC-5 SURE CUT Servo Knife Cutter  
4-1  
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The Operator Control provides an intuitive user-friendly  
method to interface with the Conair Servo Cutter. Information  
is viewed and entered at the Operator Control and is commu-  
nicated to the servo positional amplifier via the RS-232 serial  
communication link.  
OPERATOR  
CONTROL  
FEATURES  
The Operator Control is a flat membrane panel consisting of  
22-keys and a large 2 line x 20 back lit LCD screen.  
Soft Keys-allows  
the operator to  
select different  
functions.  
Numeric Keys-  
Permits data entry  
for the operator  
Fixed Function  
Keys-Contain uni-  
versal symbols &  
text  
Soft Keys  
Soft keys - these are the three keys directly under the display.  
All three have a triangle on them. Occasionally, pages will  
appear that allow the operator to use one of the soft keys. On  
those occasions, text would typically appear directly above  
the key and the key will have a function. Think of the text as  
the soft key function indicator or title. These keys will be  
referred to in this manual from left to right as soft keys 1, 2  
and 3 respectively.  
Numeric keys  
These are the black keys containing numbers 0 to 9. Numbers  
permit data entry of parameters. See Raise and Lower for  
value trim.  
Fixed Function Keys (at Bottom)  
Underneath the numeric keys are fixed function keys. They  
contain universal symbols and text. The fixed function keys  
are Raise, Lower, Next, Prev (previous), Enter, Delete, Exit,  
Menu and Mute. These functions are described in the  
"Function keys - Fixed Functions" section of this manual.  
LCD Screen  
The screen shows various pages depending on operator  
actions. In addition, it is used to indicate warnings.  
Mostly, it is used for viewing status and for setting parame-  
ters.  
SC-5 SURE CUT Servo Knife Cutter  
UGE059/1003  
4-2  
OPERATION  
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Before you start daily operation of the servo cutter, you need  
to perform preventative maintenance. Necessary maintenance  
is described in the Maintenance section of this Users Guide,  
see preventative maintenance, Section 5.  
BEFORE  
STARTING  
WARNING: Be sure that power to the SC-5  
cutter is OFF when doing any maintenance on  
the servo cutter. Follow all safety rules when  
performing any maintenance on this equip-  
ment.  
Daily maintenance includes:  
Inspecting the cutter blades  
Inspecting the blade mounting hardware  
Making sure the cutter bushings are properly secured  
Inspecting the closure latch on the knife guard  
Checking cutter alignment with extrusion line  
Performing any floor lock adjustments as needed  
These items and weekly, monthly, and semi-annual mainte-  
nance procedures are detailed in the Maintenance section of  
this User Guide.  
POWERING UP  
Plug in the power cord to restore power after any  
required maintenance.  
1
Turn on the main power. The cutter control will  
bootup. The amber power on light illuminates.  
2
NOTE: You can watch the servo motor amplifier's  
status screen during bootup through the  
window on the back of the electrical enclo-  
sure. This display gives information that may  
be useful if you have a problem. See the  
Troubleshooting section.  
While the cutter is booting up, perform the next three steps:  
Make sure the E-Stop button is in the out,  
extended position.  
3
Make sure that the Cut Enable is Off.  
If necessary, press button to display off.  
4
Press Start Cutter button. The light in the button  
should light. On SC-5 cutters, the cutter head will make  
5
one revolution until it finds its home offset position.  
Continued  
UGE059/1003  
SC-5 SURE CUT Servo Knife Cutter  
OPERATION 4-3  
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POWERING UP  
CONTINUED  
Note: If “Home Runtime Failed” message is dis  
played. Check for malfunctions of misadjusted  
sensor.  
Open the knife guard. The machine start push  
button should go out.  
6
If the cutter is not working properly at any time, turn it off  
immediately and refer to the Troubleshooting section of this  
User Guide.  
If you do not encounter any problems, proceed to the  
Operation section.  
Power Up Sequence  
At power up a series of system screens briefly appear. The  
software is Red Lion's Edict-97. This screen or similar shows  
first.  
Next, the Communications message appears  
If there are any problems with communications, this screen  
will remain on longer than a couple of seconds.  
If there are no communication problems the Conair SC-5  
Cutter program will begin to run. The following message or  
similar shows for 5-seconds.  
After the 5 second delay the Main Screen will appear.  
SC-5 SURE CUT Servo Knife Cutter  
UGE059/1003  
4-4  
OPERATION  
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MAIN SCREEN  
OPERATOR  
There are two types of main screens, length or time measure-  
ment and cuts per minute measurement. The type displayed  
varies depending on the current cut mode setting.  
See the mode operator display overviews.  
CONTROL  
INSTRUCTIONS  
MAIN SCREEN  
The Main Screen has seven features. The top line displays the  
active preset (only with multi preset option), cut mode, active  
measurement and the unit of measure. The bottom line con-  
tains three soft key functions, softkey1/Parts, softkey2/cut  
On/Off and softkey3, which varies depending on the current  
cut mode setting.  
Active Preset  
With the multi preset option in on-demand modes the active  
preset value changes upon batch completion. As the cutter  
sequences through multiple presets, the operator always  
knows which preset is being processed.  
Active Measurement  
The measurement value displayed will be the active length or  
time preset or cuts per minute depending on the active cut  
mode. It displays the value only when the machine is started  
and softkey2 On/Off is on. If the machine is stopped or soft-  
key2 On/Off is off, this counter will be forced to zero.  
If a negative symbol is shown to the left of the measurement  
value, the encoder signal is reversed, i.e. rotating in the wrong  
direction. The Cutter will not function while the encoder is  
going negative. It is possible to correct this by using the  
encoder direction function located in the encoder area of the  
maintenance area. See the maintenance area display overview.  
Length, Time or Blade Softkey  
This key is mode dependent see the mode operator display  
overview for the current cut mode.  
On/Off Softkey  
Under the active measurement in the center of the bottom line  
of the display is a soft key labeled On or Off. Pressing this  
key while On is displayed will disable the cutter. Likewise  
pressing this key while Off is displayed enables the cutter.  
Pressing the stop button forces the cut enable off.  
Manual cuts can still be made while the cut enable is off.  
UGE059/1003  
SC-5 SURE CUT Servo Knife Cutter  
OPERATION 4-5  
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Menu function key is used to access the Menu Area.  
This area can only be accessed from the main display  
screen for each mode. See the Menu Area section for more  
information.  
CONTROL  
INSTRUCTIONS  
Parts Select Area Screen  
Under the current mode on the left side of the bottom line of  
the display is a soft key labeled Parts. Pressing this key  
accesses the Parts Select Screen.  
This screen provides access to the parts Total/softkey1 or  
Batch/softkey3 areas. Pressing Exit/softkey2 returns the dis-  
play to the active main screen. If no selection is made within  
30 seconds the display returns to the active main screen.  
EXIT or PREV, fixed function keys return the display to the  
previous screen.  
TOTAL SCREEN  
CONTROL  
INSTRUCTIONS  
TOTAL  
By pressing softkey1 located under the word Total on the Parts  
Select Screen, a seven-decade total counter is available.  
Additional information on how to access this screen can be  
found in the operator display overview in Appendix E of this  
manual.  
SCREEN  
This is typically used to count cut pieces during the day or  
days that the product is being produced. Sample or manual  
cuts are not counted. When enabled the count continues to  
accumulate even if the total display is not being viewed. It is  
also possible to turn this counter off or on.  
On/Off Softkey1  
Under the counter on the left is a soft key labeled On or Off.  
Pressing this key while On is displayed will disable the  
counter. Likewise pressing this key while Off is displayed  
enables the counter.  
Exit Softkey2  
Under the counter, in the center is a soft key labeled Exit.  
Pressing this key will return the display to the Parts Select  
screen.  
Continued  
SC-5 SURE CUT Servo Knife Cutter  
UGE059/1003  
4-6  
OPERATION  
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Reset Softkey3  
Under the counter, on the right is a soft key labeled Reset.  
Pressing this key will zero the counter.  
CONTROL  
INSTRUCTIONS  
EXIT or PREV, fixed function keys return the display to the  
Parts Select screen.  
TOTAL SCREEN  
CONTINUED  
BATCH SCREEN  
CONTROL  
INSTRUCTIONS  
BATCH SCREEN  
By pressing softkey3 located under the word Batch on the  
Parts Select Screen, a six-decade Batch counter is available.  
Additional information on how to access this screen can be  
found in the operator display overview in Appendix E of this  
manual.  
This is typically used to count the pieces required to fill a car-  
ton, with the product being cut. The batch counter counts up  
to the batch preset and resets to zero. As the accumulated  
count reaches the alarm preset the batch pre-warn output-3  
energizes then when the batch preset is reached the batch  
complete output-2 briefly energizes and both outputs turn  
back off. Sample/Manual cuts are not counted. When enabled  
the count continues to accumulate even if the batch display is  
not being viewed. It is also possible to turn this counter off or  
on.  
Change Softkey1  
Under the counter, on the left is a soft key labeled Change.  
Pressing this key displays the Select Batch Area screen. The  
operator can then choose to set the batch or alarm preset.  
On/Off Softkey2  
Under the counter near the center is a soft key labeled On or  
Off. Pressing this key while On is displayed will disable the  
counter. Likewise pressing this key while Off is displayed  
enables the counter.  
Reset Softkey3  
Under the counter, on the right is a soft key labeled Reset.  
Pressing this key will zero the batch counter.  
EXIT or PREV, fixed function keys return the display to the  
Parts Select screen.  
Continued  
UGE059/1003  
SC-5 SURE CUT Servo Knife Cutter  
OPERATION 4-7  
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Batch Select Area Screen  
CONTROL  
INSTRUCTIONS  
BATCH  
Under the batch counter, on the left is a soft key labeled  
Change. Pressing this key displays the Select Batch Area  
screen. Additional information on how to access this screen  
can be found in the operator display overview in Appendix E  
of this manual.  
SCREEN  
CONTINUED  
This screen provides access to the batch Preset/softkey1 or  
batch Alarm/softkey3 areas. Pressing Exit/softkey2 returns the  
display to the batch counter screen. If no selection is made  
within 30 seconds the display returns to batch counter screen.  
Batch Preset Screen  
By pressing the soft key located under the word Batch on the  
Batch Area Screen, the preset for the Batch counter is avail-  
able.  
The number shown is the current batch preset. A cursor will  
appear in the least significant digit. The user has a choice of  
ways to adjust this number.  
Exit or Prev, If no change is required press Exit or Prev to  
return to the Main screen.  
Raise will increase the preset by 1. The key can be pressed  
once for each increment required or held down to scroll up.  
Releasing the key will freeze the preset at the last value.  
Lower will decrease the preset by 1. The key can be pressed  
once for each decrement required or held down to scroll  
down. Releasing the key will freeze the preset at the last  
value.  
Continued  
SC-5 SURE CUT Servo Knife Cutter  
UGE059/1003  
4-8  
OPERATION  
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Numeric keys  
Key in the batch required and press enter. If you require a  
batch of 50 parts you must key in 50 and then press enter.  
CONTROL  
INSTRUCTIONS  
BATCH  
Enter or Delete?  
If the keyed in number is correct press the enter key for it to  
be accepted and return to the Main screen. If it is wrong press  
the delete key and the previous preset will reappear.  
SCREEN  
CONTINUED  
Batch Pre-Alarm Preset Screen  
By pressing the soft key located under the word Alarm on the  
Batch Area Screen, the preset for the Batch pre-warn Alarm is  
available.  
The number shown is the current alarm preset. A cursor will  
appear in the least significant digit. The user has a choice of  
ways to adjust this number. See entering the batch preset  
above. Please note: This value must be less than the batch  
preset.  
Exit or Prev, if no change is required press Exit or Prev to  
return to the Main screen.  
LENGTH SCREEN  
CONTROL  
INSTRUCTIONS  
LENGTH  
By pressing the soft key located under the word Length on  
the Encoder, Follower or Auto Mode Main Screen, the preset  
for the Length counter is available. Additional information on  
how to access this screen can be found in the operator dis-  
play overview in Appendix E of this manual.  
SCREEN  
The number shown is the current length preset value, i.e. the  
length to cut the product. A cursor will appear in the least  
significant digit. The user has a choice of ways to adjust this  
number. Pressing the #Prst/Softkey3 accesses the number of  
presets to run screen. This feature is only available with the  
multiple preset/batch option.  
Continued  
UGE059/1003  
SC-5 SURE CUT Servo Knife Cutter  
OPERATION 4-9  
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Exit or Prev, if no change is required press Exit or  
Prev to return to the Main screen.  
CONTROL  
INSTRUCTIONS  
LENGTH  
Raise will increase the preset by 0.010 inch. The key can be  
pressed once for each 0.010 inches increment required or held  
down to scroll up. Releasing the key will freeze the preset at  
the last value then press enter.  
SCREEN  
Lower will decrease the preset by 0.010 inch. The key can be  
pressed once for each 0.010 inch decrement required or held  
down to scroll down. Releasing the key will freeze the preset  
at the last value then press enter.  
CONTINUED  
Numeric keys  
Key in the length required and press enter. The decimal place  
is fixed so remember this when entering the preset. If you  
require 24 inches you must key in 24000 and then press enter.  
Keying only 24 will set the length to 0.024 inches.  
Enter or Delete?  
If the keyed in number is correct press the enter key for it to  
be accepted and return to the Main screen. If it is wrong press  
the delete key and the previous preset will reappear.  
PRESETS TO RUN SCREEN  
CONTROL  
By pressing the soft key located under the word #Prst on any  
Length Screen, the value for the number of presets to run is  
available. Additional information on how to access this screen  
can be found on the multiple preset example in the operator  
display overview in Appendix E of this manual.  
INSTRUCTIONS  
PRESET TO  
RUN SCREEN  
The number shown is the current number of presets to run  
value, i.e. how many measurement presets and batches to run.  
The acceptable range for this value is 1 to 4. The cutter will  
process preset#1/batch#1 then #2 then #3 then #4 and back to  
#1 continuously. If a 2 is entered only preset/batch 1 and 2 are  
processed. A cursor will appear in the least significant digit.  
The user has a choice of ways to adjust this number.  
Continued  
SC-5 SURE CUT Servo Knife Cutter  
UGE059/1003  
4-10  
OPERATION  
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Exit or Prev, If no change is required press Exit or Prev to  
return to the previous Length Screen.  
CONTROL  
INSTRUCTIONS  
PRESET TO  
RUN SCREEN  
CONTINUED  
Raise will increase the number by 1. The key can be pressed  
once for each increment of 1 required or held down to scroll  
up. Releasing the key will freeze the preset at the last value  
then press enter.  
Lower will decrease the preset by 1. The key can be pressed  
once for each decrement of 1 required or held down to scroll  
down. Releasing the key will freeze the preset at the last  
value then press enter.  
Numeric keys  
Key in the number required and press enter. If you require 4  
presets key in 4 and then press enter.  
Enter or Delete?  
If the keyed in number is correct press the enter key for it to  
be accepted and return to the Main Timer Mode screen. If it  
is wrong press the delete key and the previous preset will  
reappear.  
TIME SCREEN  
CONTROL  
INSTRUCTIONS  
TIME SCREEN  
By pressing the soft key located under the word Time on the  
Main Timer Mode Screen, the preset for the timer is avail-  
able. Additional information on how to access this screen can  
be found in the operator display overview in Appendix E of  
this manual.  
The number shown is the current time preset value, i.e. the  
time interval to cut the product. A cursor will appear in the  
least significant digit. The user has a choice of ways to adjust  
this number.  
Exit or Prev, If no change is required press Exit or Prev to  
return to the Main Timer Mode Screen.  
Continued  
UGE059/1003  
SC-5 SURE CUT Servo Knife Cutter  
OPERATION 4-11  
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Raise will increase the preset by 0.010 second. The key can  
be pressed once for each 0.010 second increment required or  
held down to scroll up. Releasing the key will freeze the pre-  
set at the last value then press enter.  
CONTROL  
INSTRUCTIONS  
TIME SCREEN  
CONTINUED  
Lower will decrease the preset by 0.010 second. The key can  
be pressed once for each 0.010 second decrement required or  
held down to scroll down. Releasing the key will freeze the  
preset at the last value then press enter.  
Numeric keys  
Key in the time required and press enter. The decimal place is  
fixed so remember this when entering the preset. If you  
require 1.5 seconds you must key in 1500 and then press enter.  
Keying only 15 will set the time to 0.015 seconds.  
Enter or Delete?  
If the keyed in number is correct press the enter key for it to  
be accepted and return to the Main Timer Mode screen. If it is  
wrong press the delete key and the previous preset will reap-  
pear.  
HOLD-OFF TIME SCREEN  
CONTROL  
INSTRUCTIONS  
HOLD-OFF  
SCREEN  
By pressing the soft key located under the word Time on the  
Main End Sense Mode Screen, the preset for the hold-off  
timer is available. Additional information on how to access  
this screen can be found in the operator display overview in  
Appendix E of this manual.  
The number shown is the current hold-off time preset, i.e. the  
time interval to ignore the photo eye and avoid false cuts. A  
cursor will appear in the least significant digit. The user has a  
choice of ways to adjust this number.  
Exit or Prev, If no change is required press Exit or Prev to  
return to the Main End Sense Mode Screen.  
Continued  
SC-5 SURE CUT Servo Knife Cutter  
UGE059/1003  
4-12  
OPERATION  
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Raise will increase the preset by 0.010 second. The key can  
be pressed once for each 0.010 second increment required or  
held down to scroll up. Releasing the key will freeze the pre-  
set at the last value then press enter.  
CONTROL  
INSTRUCTIONS  
HOLD-OFF  
SCREEN  
Lower will decrease the preset by 0.010 second. The key can  
be pressed once for each 0.010 seconds decrement required or  
held down to scroll down. Releasing the key will freeze the  
preset at the last value then press enter.  
CONTINUED  
Numeric keys  
Key in the time required and press enter. The decimal place is  
fixed so remember this when entering the preset. If you  
require 1.000 seconds you must key in 1000 and then press  
enter. Keying only 1 will set the time to 0.001 seconds and an  
error message will be displayed.  
Enter or Delete?  
If the keyed in number is correct press the enter key for it to  
be accepted and return to the Main End Sense Mode screen. If  
it is wrong press the delete key and the previous preset will  
reappear.  
BLADE SPEED SCREEN  
CONTROL  
By pressing the soft key located under the word Blade or  
Speed depending on the current mode, the preset for that  
modes blade speed is available. Additional information on  
how to access this screen can be found in the operator display  
overview in Appendix E of this manual.  
INSTRUCTIONS  
BLADE SPEED  
SCREEN  
The number shown is the active modes current blade speed  
preset, i.e. the speed the blade will pass through the part. A  
cursor will appear in the least significant digit. The user has a  
choice of ways to adjust this number.  
Exit or Prev, if no change is required press Exit or Prev to  
return to the Blade Select or Main Mode Screen.  
Continued  
UGE059/1003  
SC-5 SURE CUT Servo Knife Cutter  
OPERATION 4-13  
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Raise will increase the preset by 1.0. The key can be pressed  
once for each 1.0 increment required or held down to scroll  
up. Releasing the key will freeze the preset at the last value  
then press enter.  
CONTROL  
INSTRUCTIONS  
BLADE SPEED  
SCREEN  
Lower will decrease the preset by 1.0. The key can be pressed  
once for each 1.0 decrement required or held down to scroll  
down. Releasing the key will freeze the preset at the last value  
then press enter.  
CONTINUED  
Numeric keys  
Key in the time required and press enter. The decimal place is  
fixed so remember this when entering the preset. If you  
require 750.0 rpm you must key in 7500 and then press enter.  
Keying only 750 will set the speed to 075.0 rpm and an error  
message with the valid range will be displayed.  
Enter or Delete?  
If the keyed in number is correct press the enter key for it to  
be accepted and return to the Blade Select or Main Mode  
Screen. If it is wrong press the delete key and the previous  
preset will reappear.  
BLADE COUNT SCREEN  
CONTROL  
By pressing the soft key located under the word Blade or  
Count depending on the current mode, the preset for the blade  
count is available. Additional information on how to access  
this screen can be found in the operator display overview in  
Appendix E of this manual.  
INSTRUCTIONS  
BLADE COUNT  
SCREEN  
The number shown is the current blade count preset, i.e. the  
number of blades mounted to the cutter head. A cursor will  
appear in the least significant digit. The user has a choice of  
ways to adjust this number.  
Exit or Prev, if no change is required press Exit or Prev to  
return to the Blade Select or Main Mode Screen.  
Continued  
SC-5 SURE CUT Servo Knife Cutter  
UGE059/1003  
4-14  
OPERATION  
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Raise will increase the preset by 1. The key can be pressed  
once for each 1 increment required or held down to scroll up.  
Releasing the key will freeze the preset at the last value then  
press enter.  
CONTROL  
INSTRUCTIONS  
BLADE COUNT  
SCREEN  
Lower will decrease the preset by 1. The key can be pressed  
once for each 1 decrement required or held down to scroll  
down. Releasing the key will freeze the preset at the last value  
then press enter.  
CONTINUED  
Numeric keys  
Key in the number of blades mounted and press enter. If the  
value entered is out of range an error message with the valid  
range will be displayed.  
Enter or Delete?  
If the keyed in number is correct press the enter key for it to  
be accepted and return to the Blade Select or Main Mode  
Screen. If it is wrong press the delete key and the previous  
preset will reappear.  
FUNCTION AREAS  
CONTROL  
INSTRUCTIONS  
FUNCTION  
AREAS  
Additional information on how to access and navigate these  
screens can be found in the operator display overview section  
of this manual.  
Menu fixed function key is used to access the Function Areas  
from any main mode screen. There are two Function Area  
screens. The user can toggle between the two screens with the  
Next and Prev fixed function keys.  
Continued  
UGE059/1003  
SC-5 SURE CUT Servo Knife Cutter  
OPERATION 4-15  
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Next or Prev, Pressing Next selects the second Function Area.  
Pressing Prev returns the display to the first Function Area  
screen. Pressing Prev from the first Function Area screen  
returns the display to the active main mode screen.  
CONTROL  
INSTRUCTIONS  
FUNCTION  
AREAS  
Menus are a convenient way to access and monitor parameters  
that do not need to be altered often, i.e. blade speed, blade  
count, cut mode, repeatability test, min. allowable measure-  
ment and cuts per minute.  
CONTINUED  
The most frequently used functions for a certain cutting mode  
are directly available from the main screen for the active  
mode. For a guide to screen navigation for any active mode  
see the operator display overview section of this manual for  
that mode. For information on the Blade and Parts Softkeys  
see their respective sections covered earlier in this manual.  
TEST SOFTKEY  
Pressing soft key two located under the word Test on the first  
Function area screen, selects the repeatability tester.  
CONTROL  
INSTRUCTIONS  
TEST  
The DevCP repeatability tester displays total deviation time in  
milliseconds. This time is from a cut being requested until the  
blade reaches the part. The smallest measured value is sub-  
tracted from the largest measured value and the resulting devi-  
ation is displayed on the screen. New data is sampled every  
consecutive cut. The DevCP repeatability test is available in  
all on-demand modes. This test is used as a tool for verifying  
the accuracy of the cutter.  
On/Off Softkey1  
On the display, on the lower left side is a soft key labeled On  
or Off. Pressing this key while On is displayed will reset all  
values and disable testing. Likewise pressing this key while  
Off is displayed starts the test.  
Reset Softkey3  
On the display, on the lower right side is a soft key labeled  
Reset. Pressing this key will reset all test values and start a  
new test.  
Exit or Prev, Pressing Exit, Prev or the Softkey under the  
word Exit resets all values and disables testing then returns the  
display to the Function area screen.  
Continued  
SC-5 SURE CUT Servo Knife Cutter  
UGE059/1003  
4-16  
OPERATION  
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Next, Pressing Next selects the DevCC test if available. If the  
arrow on the top right hand side of the screen is visible the  
current mode also supports the DevCC test.  
CONTROL  
INSTRUCTIONS  
TEST  
NOTE: The test available DevCP, DevCC or both is  
dependent on the active cut mode.  
CONTINUED  
The DevCC repeatability tester also displays total deviation  
time in milliseconds. This time is from a cut being  
requested until the next cut request. The smallest measured  
value is subtracted from the largest measured value and the  
resulting deviation is displayed on the screen. The DevCC  
repeatability test is available in some on-demand modes, and  
all continuous modes. This test is used as a tool for verifying  
the accuracy of the upstream puller or the precision timer  
option.  
On/Off Softkey1  
On the display, on the lower left side is a soft key labeled On  
or Off. Pressing this key while On is displayed will reset all  
values and disable testing. Likewise pressing this key while  
Off is displayed starts the test.  
Reset Softkey3  
On the display, on the lower right side is a soft key labeled  
Reset. Pressing this key will reset all test values and start a  
new test.  
Exit, Pressing Exit or the Softkey under the word Exit resets  
all values, disables testing then returns the display to the  
Function area screen.  
Prev, Pressing Prev selects the DevCP test if available. If the  
arrow on the top left hand side of the screen is visible the cur-  
rent mode also supports the DevCP test.  
NOTE: The test available DevCP, DevCC or both is  
dependent on the active cut mode.  
UGE059/1003  
SC-5 SURE CUT Servo Knife Cutter  
OPERATION 4-17  
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Mode Softkey  
CONTROL  
INSTRUCTIONS  
CUT MODE  
By pressing the soft key located under the word Mode, the dif-  
ferent Cut Modes are available. There are two Cut Mode  
screens. The first screen provides choices for the standard-  
modes available on all cutters.  
The second screen displays choices for optional cut modes.  
The user can toggle between the two screens with the Next  
and Prev fixed function keys. Additional information on how  
to access these screens can be found in the function area of the  
operator display overview section of this manual.  
Press the Softkey located under the cut mode desired to select  
that mode. If the mode is available an acknowledgment will be  
displayed.  
This message will be displayed for 3 seconds or until any key  
is pressed.  
Next or Prev, Pressing Next selects the second Cut Mode  
Area. Pressing Prev returns the display to the first Cut Mode  
Area. Pressing Prev from the first Cut Mode Area screen  
returns the display to the Function Area screen.  
SC-5 SURE CUT Servo Knife Cutter  
UGE059/1003  
4-18  
OPERATION  
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Min Softkey  
CONTROL  
By pressing the soft key located under the word Min on the  
second Function Area Screen, the Minimum allowable mea-  
surement value is displayed. The active mode and the  
INSTRUCTIONS  
MINIMUM  
MEASUREMENT  
cuts per minute limit for the model of cutter determines the  
actual value displayed. The screen will be displayed for 15  
seconds or until any key is pressed, then return to the second  
Function Area screen.  
CPM Softkey  
By pressing the soft key located under the word CPM on the  
second Function Area Screen, the calculated cuts per minute  
are displayed.  
The active mode, measurement value, blade speed, number of  
blades and line speed may all contribute to determining the  
actual value displayed. The screen will be displayed for 15  
seconds or until any key is pressed, then return to the second  
Function Area screen.  
MAINT. AREA  
CONTROL  
INSTRUCTIONS  
MAINTENANCE  
AREA  
Menu function key is used from the first Function Area screen  
to access the Maintenance area. There are two menus Maint.  
and Factory, with access via password to various sub-menus.  
UGE059/1003  
SC-5 SURE CUT Servo Knife Cutter  
OPERATION 4-19  
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Menus are a convenient way to access and monitor parameters  
that do not need to be altered often, i.e. home position,  
encoder direction, scale or unit of measure. In addition, pre-  
ventive maintenance parameters can be monitored for trouble-  
shooting and scheduling purposes.  
CONTROL  
INSTRUCTIONS  
ENCODER AREA  
Factory Softkey  
This area is password protected for factory use only.  
Please do not attempt to get around the password protection as  
parameters beyond this point are used for calibration and  
setup. These parameters should only be modified by trained  
personal. Improper settings will reduce the performance and  
possibly cause severe damage to your machine.  
Maint. Softkey  
Located under the word Maint. is the Maintenance soft key.  
The Maintenance area is password protected. This area should  
only be accessed by qualified personal.  
After pressing the Maintenance Softkey, the password entry  
screen is displayed. With the numeral keys press 6 2 0 9 then  
the Enter key to access the maintenance area. An improper  
password will cause this message to be displayed for 3 sec-  
onds.  
There are three sub-menus, Encdr, Home, and P/M accessible  
in the maintenance area.  
Exit or Prev, Pressing Exit or Prev will return the display to  
the Menu Area screen.  
Continued  
SC-5 SURE CUT Servo Knife Cutter  
UGE059/1003  
4-20  
OPERATION  
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Encdr Softkey  
CONTROL  
By pressing the soft key located under the word Encdr on the  
Maint. Area Screen, there are three sub-menus, Drctn, U/M,  
and Scale accessible. Additional information on how  
INSTRUCTIONS  
ENCODER AREA  
CONTINUED  
to access this screen can be found in the Maintenance Area of  
the operator display overview section of this manual.  
Exit or Prev, Pressing Exit or Prev will return the display to  
the Maint. Area screen.  
CONTROL  
DIRECTION SOFTKEY  
By pressing the soft key located under the word Dirctn on the  
Encdr. Area Screen, the direction of the encoder rotation can  
be changed. Located on the lower left side of the display is the  
status text (INCORRECT/CORRECT) for the encoder direc-  
tion.  
INSTRUCTIONS  
ENCODER  
DIRECTION  
Exit or Prev, Pressing Exit or Prev will return the display to  
the Encoder Area screen.  
Change Softkey  
With the machine stopped, by pressing the soft key located  
under the word Change. The direction of the encoder is  
reversed. After the change if the count direction is positive, the  
status text will now display the word CORRECT.  
Attempting to change the encoder direction with the cutter  
running will result in the following message.  
This message will be displayed for 3 seconds or until any key  
is pressed. Press stop on the operator panel then try again.  
Continued  
UGE059/1003  
SC-5 SURE CUT Servo Knife Cutter  
OPERATION 4-21  
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If a negative symbol is shown to the left of the count value on  
the main mode screen the encoder signal is reversed, i.e. rotat-  
ing in the wrong direction. The Cutter will not function while  
the encoder is going negative. The Direction function corrects  
this by changing what the servo drive interprets as a positive  
direction, CW or CCW rotation.  
CONTROL  
INSTRUCTIONS  
ENCODER DIRECTION  
CONTINUED  
UNIT OF MEASURE SOFTKEY  
By pressing the soft key located under the word U/M on the  
Encoder Area screen, the Eng. Units can be set.  
CONTROL  
INSTRUCTIONS UNIT  
OF MEASURE  
Exit or Prev, Pressing Exit or Prev will return the display to  
the Encoder Area screen.  
in./mm. Softkeys  
Pressing the soft key located under in. or mm. Changes all dis-  
played measurements to the respective unit of measure.  
The scaled distance must now be set for the desired unit. See  
the Scale Area Dist. Softkey description.  
Scale Softkey  
By pressing the soft key located under the word Scale on the  
Encoder Area Screen, there are two sub-menus, Dist., and  
Counts accessible. Additional information on how to access  
this screen can be found in the Maintenance Area of the oper-  
ator display overview in Appendix E of this manual.  
Exit or Prev, Pressing Exit or Prev will return the display to  
the Encoder Area screen.  
SETTING THE SCALE FACTOR  
The Encoder mode uses a scale factor to compensate for con-  
figurations that differ from the standard (a measuring wheel  
with a 1 foot circumference; a 3000 bi-directional quadrature  
pulse encoder; and English units of measure). The prescale  
value is set at the factory for your equipment and typical unit  
of measurement. However, it may occasionally be necessary to  
adjust the prescale value.  
SC-5 SURE CUT Servo Knife Cutter  
UGE059/1003  
4-22  
OPERATION  
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DISTANCE SOFTKEY  
CONTROL  
INSTRUCTIONS  
SCALE  
By pressing the soft key located under the word Dist. on the  
Scale Value Screen, the scaled distance is available. This value  
must be set after a U/M change. Additional information on  
how to access this screen can be found in the Maintenance  
Area of the operator display overview in Appendix E of this  
manual.  
DISTANCE  
The number shown is the current distance value, i.e. the cir-  
cumference of the measuring wheel or distance per revolution  
of the encoder. A cursor will appear in the least significant  
digit.  
Exit or Prev- if no change is required press Exit or Prev to  
return to the Scale Value screen.  
Raise will increase the value by 0.001inch. The key can be  
pressed once for each 0.001inch increment required or held  
down to scroll up. Releasing the key will freeze the value at  
the last value.  
Lower will decrease the value by 0.001inch. The key can be  
pressed once for each 0.001inch decrement required or held  
down to scroll down. Releasing the key will freeze the value  
at the last value.  
Numeric keys  
Key in the distance desired and press enter. The decimal place  
is fixed so remember this when entering the value. If you  
require 12.000 inches you must key in 12000 and then press  
enter. Keying only 12 will set the distance to 0.012 inches.  
Enter or Delete?  
If the keyed in number is correct press the enter key for it to  
be accepted and return to the Scale Value screen. If it is wrong  
press the delete key and the previous value will reappear.  
UGE059/1003  
SC-5 SURE CUT Servo Knife Cutter  
OPERATION 4-23  
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COUNTS SOFTKEY  
CONTROL  
INSTRUCTIONS  
SCALE COUNTS  
By pressing the soft key located under the word Counts on the  
Scale Value Screen, the scaled counts are available. Additional  
information on how to access this screen can be found in the  
Maintenance Area of the operator display overview in  
Appendix E of this manual.  
The number shown is the current count value, i.e. the pulses  
per revolution of the encoder. For example a 3000 pulse quad-  
rature encoder will produce 3000 x 4 channels or 12000  
counts. A cursor will appear in the least significant digit. The  
user has a choice of ways to adjust this number.  
Exit or Prev, if no change is required press Exit or Prev to  
return to the Scale Value screen.  
Raise will increase the value by 1. The key can be pressed  
once for each 1 increment required or held down to scroll up.  
Releasing the key will freeze the value at the last value.  
Lower will decrease the value by 1. The key can be pressed  
once for each 1 decrement required or held down to scroll  
down. Releasing the key will freeze the value at the last value.  
Numeric keys  
Key in the count desired and press enter. If you require 12000  
counts you must key in 12000 and then press enter.  
Enter or Delete?  
If the keyed in number is correct press the enter key for it to  
be accepted and return to the Scale Value screen. If it is wrong  
press the delete key and the previous value will reappear.  
SC-5 SURE CUT Servo Knife Cutter  
UGE059/1003  
4-24  
OPERATION  
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HOMING  
CONTROL  
INSTRUCTIONS  
HOMING  
A defined Home location is required for all servo-positioning  
applications. After initial power up, emergency stop or guard  
opened, home position must be found. All motion is relative to  
this home position. The Home cycle occurs once after power  
is applied to the servo drive in response to the Start push but-  
ton being pressed. The cutter head rotates towards the home  
sensor at the programmed On-Demand blade speed. After the  
home sensor has been found, the cutter head will decelerate  
and stop at the specified offset position. This position is then  
set to 0.0 degrees at the end of the home sequence. If the  
home sensor is not found in one revolution of the cutter head,  
the following message is displayed on the operator.  
The sensor may be faulty, have a loose connection or be  
improperly adjusted. Press any key on the operator to  
acknowledge the fault. Disconnect power, fix the problem then  
restart the cutter.  
After a successful home has been completed, if the cutter is  
stopped away from the home position and the power to the  
machine is left on, the cutter head position is still known.  
When the cutter is restarted, the cutter head will return at the  
programmed On-Demand blade speed to the home position.  
HOME OFFSET SCREEN  
CONTROL  
INSTRUCTIONS  
HOME OFFSET  
By pressing the soft key located under the word Home on the  
Maintenance Screen, the offset for the home position is avail-  
able. Additional information on how to access this screen can  
be found in the Maintenance Area of the operator display  
overview in Appendix E of this manual.  
The number shown is the current offset value, i.e. the distance  
from position zero. A cursor will appear in the least significant  
digit. The user has a choice of ways to adjust this number.  
Exit or Prev, If no change is required press Exit or Prev to  
return to the Maintenance Area screen.  
Continued  
UGE059/1003  
SC-5 SURE CUT Servo Knife Cutter  
OPERATION 4-25  
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Raise will increase the value by 1.0. The key can be pressed  
once for each 1.0 increment required or held down to scroll  
up. Releasing the key will freeze the value at the last value.  
CONTROL  
INSTRUCTIONS  
HOME OFFSET  
CONTINUED  
Lower will decrease the value by 1.0. The key can be pressed  
once for each 1.0 decrement required or held down to scroll  
down. Releasing the key will freeze the value at the last value.  
Numeric keys  
Key in the distance desired and press enter. The decimal place  
is fixed so remember this when entering the value. If you  
require 15.0 degrees you must key in 150 and then press enter.  
Keying only 15 will set the distance to 01.5 degrees.  
Enter or Delete?  
If the keyed in number is correct press the enter key for it to  
be accepted and return to the Maintenance Area screen. If it is  
wrong press the delete key and the previous value will reap-  
pear.  
HOME OFFSET EXAMPLE  
CONTROL  
INSTRUCTIONS  
OFFSET  
With the Cut Enable on/off turned off and the cutter started,  
entering a new value at the Home Offset screen will initiate a  
home routine using the new value.  
The graphic example above demonstrates the resulting home  
position with a 15 degree offset.  
EXAMPLE  
The acceptable range for this value is 00.0 to +45.0 degrees.  
Making an entry outside of this range generates the following  
error message on the operator display.  
After 5 seconds or if any key is pressed the display returns to  
the Home Offset  
4-26  
OPERATION  
SC-5 SURE CUT Servo Knife Cutter  
UGE059/1003  
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PREVENTIVE MAINTENANCE SOFTKEY  
Pressing the soft key located under the word P/M on the  
Maint. area screen. Selects the P/M area screen. Three pre-  
ventive maintenance sub-menus for monitoring Inputs, Time  
and Cycles are displayed.  
CONTROL  
INSTRUCTIONS  
PREVENTIVE  
MAINTENANCE  
Additional information on how to access this screen can be  
found in the Maintenance Area of the operator display  
overview in Appendix E of this manual.  
Inputs Softkey  
Pressing the soft key located under the word Inputs on the  
P/M area screen, selects the inputs monitoring screen.  
This screen displays the cutters input status. Active inputs are  
equal to On and de-energized inputs are equal to Off. This  
information could be used for troubleshooting with out the  
use of a meter.  
Input #1 = End Sense Trigger when On  
Input #2 = Run when Off  
Input #3 = Manual Cut Trigger when On  
Input #4 = Home Registration when On  
Input #5 = E-Stop when Off  
Input #6 = Spare  
Exit or Prev, Pressing Exit or Prev returns the display to the  
Select P/M area screen.  
UGE059/1003  
SC-5 SURE CUT Servo Knife Cutter  
OPERATION 4-27  
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CONTROL  
INSTRUCTIONS  
POWER ON TIME  
TIME SOFTKEY  
Pressing the soft key located under the word Time on the  
P/M area screen, selects the Power-On time screen.  
The Power-On time screen displays the total time in hours  
that the machine has had the power switched on. This infor-  
mation could be used for scheduling preventive maintenance.  
The displayed time can not be reset.  
Exit or Prev, Pressing Exit, Prev or the Softkey under the  
word Exit returns the display to the Select P/M area screen.  
Cycles Softkey  
Pressing the soft key located under the word Cycles on the  
P/M area screen, selects the machine cycles screen.  
The Machine Cycles screen displays the absolute total cuts  
that the machine has made since manufacture. This informa-  
tion could be used for scheduling preventive maintenance.  
The displayed count can not be reset.  
Exit or Prev, Pressing Exit, Prev or the Softkey under the  
word Exit returns the display to the Select P/M area screen.  
SC-5 SURE CUT Servo Knife Cutter  
UGE059/1003  
4-28  
OPERATION  
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CHECKING CUT  
QUALITY  
Press the manual cut button and observe the  
movement of the cutter blade. The cutter head makes a  
single rotation and the blade moves through the cutter  
bushings without interference.  
1
Insert a piece of extrudate through the cut-  
ter bushings.  
2
3
Press the manual cut button. A single cut is made  
at the preset blade speed. (This works even if Cut On/Off  
is off.)  
Inspect the cut. If necessary, adjust the blade design  
or blade speed. See All About Cutter Blades, Appendix B.  
4
If you have not already done so, check the cutter hardware,  
power up the cutter, select cutting mode and blade speed, and  
make a test cut to check cut quality.  
STARTING THE  
SC-5 CUTTER  
When you are satisfied with cut quality, press the Cut On/Off  
soft key and on is displayed, automatic operation begins.  
When the extrudate is running within tolerance, cut it with a  
knife or saw and feed it through the cutter bushings.  
UGE059/1003  
SC-5 SURE CUT Servo Knife Cutter  
OPERATION 4-29  
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There are several adjustments you can make during normal  
cutting. These adjustments include:  
MAKING  
ADJUSTMENTS  
DURING  
OPERATION  
In Timer mode, adjust the time between cuts  
In Encoder and Follower modes, adjust the length  
In Product mode, adjust the hold-off time  
In Flywheel mode, adjust blade speed  
Adjust blade speed in all modes except  
Follower  
Perform a manual cut and reset the length by pressing  
the manual cut button at any time during on-demand cut-  
ting. Pressing Reset/Test has no effect during continuous  
cutting.  
Count the total number of cuts by pressing the Total  
On/Off soft key. Use the Reset button to return the count  
to zero. This feature is useful for collecting samples dur-  
ing a production run.  
Count the batches of cuts by pressing the Total On/Off  
soft key. Use the Reset button to return the count to zero.  
This feature is useful for collecting samples during a pro-  
duction run.  
Stop cutting temporarily by setting Cut On/Off to off.  
This allows you to view the cutting blade (through the  
window) or perform other tasks without shutting down  
the cutter.  
NOTE: While the controller will allow you to  
switch modes during operation, this is not  
recommended.  
SC-5 SURE CUT Servo Knife Cutter  
UGE059/1003  
4-30  
OPERATION  
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WARNING: Never stop the servo cut-  
ter by opening the knife guard.  
This can cause damage to the equipment and  
injury to personnel.  
STOPPING THE  
SC-5 CUTTER  
Use this procedure to safely stop the servo cutter:  
Press Cut On/Off soft key to stop cutting (soft key  
text changes to off).  
1
Press Stop Cutter button to disable the servo motor  
(start light is off).  
2
Turn the rotary disconnect to the off posi-  
tion.  
3
WARNING: Never turn off the rotary  
disconnect first.  
Doing so will turn off all power to the unit, and  
the cutter will not be brought to a controlled  
stop. For safe stopping, always follow the  
sequence given above.  
Disconnect the power cord if it is equipped with  
a plug on the end.  
4
Lock out the rotary disconnect.  
5
Clean the lubricant reservoir if you are shutting  
the servo cutter down for the day.  
6
UGE059/1003  
SC-5 SURE CUT Servo Knife Cutter  
OPERATION 4-31  
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MAINTENANCE  
Maintenance Features . . . . . . . .5-2  
Warnings and Cautions . . . . . . .5-2  
Maintenance Overview . . . . . . .5-4  
Preventative Maintenance  
Schedule . . . . . . . . . . . . . . . . .5-4  
Checking the Blades . . . . . . . . .5-6  
Inspecting Cutter  
Bushing Screws . . . . . . . . . . .5-7  
Checking the Closure Latch . . .5-7  
Cleaning the Blade Tray . . . . . . .5-8  
Lubricating the Slide  
Rail System . . . . . . . . . . . . . . .5-8  
Adjusting the  
Proximity Switches . . . . . . . . .5-9  
Checking Electrical  
Connections . . . . . . . . . . . . .5-10  
BLoc Installation and  
Removal . . . . . . . . . . . . . . . . .5-12  
UGE059/1003  
SC-5 SURE CUT Servo Knife Cutter  
5-1  
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The Servo Cutter SC-5 Sure Cut models needs regular, sched-  
uled maintenance for peak performance. Among the features  
that require maintenance are:  
MAINTENANCE  
FEATURES  
Cutter blades  
Blade mounting hardware  
Cutter bushings  
The knife guard hardware  
Cutter alignment  
Floor locks  
Lubrication tray  
Shafts of optional slide rail system  
Electrical cables  
Control panel lights  
To maintain the best performance of the servo cutter, it must  
be cleaned and inspected regularly. Maintenance includes a  
daily, weekly, quarterly, and semi-annual (every 6 months)  
schedule.  
WARNINGS AND  
CAUTIONS  
Use this maintenance schedule as a guide. You may need to  
shorten the time of the maintenance schedule, depending on  
how often you use the servo cutter, and the types of material  
flowing through it.  
Follow all precautions and warnings when working on the  
equipment.  
WARNING: Improper installation,  
operation, or servicing may result in  
equipment damage or personal injury.  
This equipment should only be installed, adjust-  
ed, and serviced by qualified technical person-  
nel who are familiar with the construction, oper-  
ation, and potential hazards of this type of  
machine.  
All wiring, disconnects, and fuses should be  
installed by qualified electrical technicians in  
accordance with electrical codes in your region.  
Continued  
SC-5 SURE CUT Servo Knife Cutter  
UGE059/1003  
5-2  
MAINTENANCE  
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WARNING: Voltage Hazard  
WARNINGS AND  
CAUTIONS  
This equipment is powered by alternating cur-  
rent, as specified on the machine serial tag and  
data plate. Do not operate the equipment at  
power levels other than what is specified on the  
machine serial tag and data plate.  
CONTINUED  
A properly-sized conductive ground wire from  
the incoming power supply must be connected  
to the chassis ground terminal inside the electri-  
cal enclosure. Improper grounding can result in  
severe personal injury and erratic machine  
operation.  
LOCKOUT/TAGOUT:  
Before performing maintenance or repairs on  
this product, disconnect and lock out electrical  
power sources to prevent injury from unexpect-  
ed energization or start-up. A lockable discon-  
nect device has been provided to isolate this  
product from potentially hazardous electricity.  
DANGER: Sharp blades!  
Most injuries caused by knife blades occur  
when the cutter has been turned off. Handle  
blades with care at all times.  
Always wear cut-resistant gloves when the  
cutting chamber is open and when handling  
blades.  
Always lock out the cutter before opening the  
cutting chamber. (See Lockout/tagout above)  
Always wait until the cutter head has stopped  
completely before opening the knife guard.  
SC-5 Sure Cut cutters are equipped with sever-  
al safety devices to ensure safe operation.  
Never remove or disable these devices to sus-  
tain production. Operating without these devices  
can cause severe injury.  
When the knife guard is opened, the knife  
guard switch stops the cutter but does not  
remove powder from the drive.  
Two proximity-type safety switches prevent  
operation unless the cutter bushings are in  
place.  
The STOP button activates a circuit that  
stops the knife.  
UGE059/1003  
SC-5 SURE CUT Servo Knife Cutter  
MAINTENANCE 5-3  
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This section describes the daily, weekly, monthly and semi-  
annual maintenance schedules that should be performed when  
changing materials or lines, or when changing equipment, as  
well as the maintenance procedures to follow.  
MAINTENANCE  
OVERVIEW  
Cutting either flexible or rigid materials generates tremendous  
shock and vibration to the entire unit. Anything that can  
loosen, will over time.  
To maintain the best performance, follow this maintenance  
schedule and develop an effective preventative maintenance  
program.  
Daily  
PREVENTATIVE  
MAINTENANCE  
SCHEDULE  
ꢀ  
Checking cutter blade(s)  
Clean, sharpen or replace as needed (see Checking the  
Blades, Section 5).  
ꢀ  
Inspecting the blade mounting hardware  
The blade securing bolt should use both a lock washer  
and flat washer, and be tightened enough to fully com-  
press the lock washer. Replace the holding pins if they  
appear worn.  
ꢀ  
Inspecting the cutter bushing screws  
Check that the cutter bushing screws are secure (see  
Inspecting Cutter Bushing Screws, Section 5).  
ꢀ  
Checking the closure latch on the knife guard  
See Checking the Closure Latch, Section 5.  
ꢀ  
Inspecting cutter alignment  
Proper cutter alignment is critical for optimum perfor-  
mance. Use a plumb line or laser to check for a  
straight line from the extrusion die to the cutter bush-  
ings.  
ꢀ  
Check floor locks  
It is always recommended that the weight be removed  
from the casters for optimum stability during cutting  
cycles. Check to see if the floor locking mechanism is  
properly adjusted.  
Continued  
SC-5 SURE CUT Servo Knife Cutter  
UGE059/1003  
5-4  
MAINTENANCE  
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Weekly  
PREVENTATIVE  
MAINTENANCE  
SCHEDULE  
ꢀ  
Cleaning the blade lubrication tray (if the cutter  
has  
Section 5.  
this option). See Cleaning the Blade Tray,  
ꢀ  
Lubricating shafts on optional slide rail system  
See Cleaning the Blade Tray, Section 5.  
CONTINUED  
Monthly  
ꢀ  
Checking hardware on the knife guard  
Inspect the hardware on the knife guard (fasteners on  
hinge and the clear blade guard window). Tighten as  
needed.  
ꢀ  
Checking bushing holder proximity switches  
Inspect the sets screws which retain the bushing holder  
proximity switches for tightness. Adjust as needed. See  
Adjusting the Proximity Switches, Section 5.  
ꢀ  
Checking the draw latch  
Inspect the latch on knife guard windows for wear and  
Draw Latch  
Clear Guard Windows  
ꢀ  
Clean the clear blade guard window  
Clean using glass cleaner or plain water. Other materi-  
als may cause premature loss of clarity or crazing.  
Semi-annual (every 6 months)  
ꢀ  
Inspecting electrical terminals  
Check all electrical terminals for tightness; adjust as  
needed. See Checking Electrical Connections, Section  
5.  
ꢀ  
Checking torque on Trantorque coupling device  
Check the tightness (torque) of the Trantorque coupling  
device with a torque gauge. This device connects the  
cutter head to the Micron reducer shaft. See Checking  
Torque, Section 5.  
ꢀ  
Checking all electrical cables  
Inspect all electrical cables for cuts and abrasions.  
Replace as needed.  
ꢀ  
Inspecting control panel lights  
Check to make sure no LEDs or lights are burned out  
on the control panel. Replace as needed.  
UGE059/1003  
SC-5 SURE CUT Servo Knife Cutter  
MAINTENANCE 5-5  
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Blades become dull over time depending on the material being  
cut, cut rate, blade speed, and blade material and thickness.  
Check blades regularly for sharpness as well as scratches,  
nicks, burrs, and material buildup. Clean, sharpen or replace  
as needed (see Installing Cutter Blades, Section 3).  
CHECKING  
BLADES  
DANGER: Sharp blades!  
Most injuries caused by knife blades occur  
when the cutter has been turned off. Handle  
blades with care at all times.  
Always wear cut-resistant gloves when the  
cutting chamber is open and when handling  
blades.  
Always lock out the cutter before opening the  
cutting chamber.  
Always wait until the cutter head has stopped  
completely before opening the knife guard.  
SC-5 Sure Cut cutters are equipped with sever-  
al safety devices to ensure safe operation.  
Never remove or disable these devices to sus-  
tain production. Operating without these devices  
can cause severe injury.  
When the knife guard is opened, the knife  
guard switch stops the cutter and prevents  
starting the cutter again.  
Two proximity-type safety switches prevent  
operation unless the cutter bushings are in  
place.  
The STOP button activates a circuit that  
stops the knife.  
SC-5 SURE CUT Servo Knife Cutter  
UGE059/1003  
5-6  
MAINTENANCE  
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Check the set screws that secure the cutter bushings. If bush-  
ings move during cutting, cutting blades and possibly the  
drive chain could be damaged.  
INSPECTING  
CUTTER  
BUSHING  
SCREWS  
Cutter  
bushing  
screws  
Check the hand knob and tighten it so the knife guard closes  
completely. This prevents false triggering of the safety switch.  
CHECKING THE  
KNIFE GUARD  
Hand knob  
UGE059/1003  
SC-5 SURE CUT Servo Knife Cutter  
MAINTENANCE 5-7  
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This tray is built into the cutter assembly as a simple method  
of applying lubrication to your blade during cutting cycles.  
Depending on cut rate and type of material and lubrication,  
the area will need to be cleaned on a regular basis and the  
lubricant replaced. Open the clear guard windows and, using a  
shop vac or other similar equipment, remove all liquid and  
solids from the cutting chamber and around the bushings.  
Replace the lubricant. For more information, see Blade and  
Bushing Lubrication, Appendix D.  
CLEANING THE  
BLADE TRAY  
(OPTIONAL)  
Optional blade  
lubrication system  
Check the shafts on the slide rail system. Even though these  
shafts are stainless steel, it is recommended that a light oil  
(WD-40 or similar) be applied to the shafts as needed. Wipe  
off any excess.  
LUBRICATING  
THE SLIDE RAIL  
SYSTEM  
(OPTIONAL)  
Optional slide base  
assembly with posi-  
tion locking mecha-  
nism  
SC-5 SURE CUT Servo Knife Cutter  
UGE059/1003  
5-8  
MAINTENANCE  
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Follow all warnings and cautions listed at the beginning of the  
Maintenance section of this User Guide.  
ADJUSTING THE  
PROXIMITY  
SWITCHES  
Be sure the main power is disconnected and the  
cutter is locked out.  
1
Loosen the set screws that hold the cutter bushings.  
2
Remove the cutter bushings.  
3
Check the depth of the proximity switch  
4
face for each bushing. It should be recessed no more  
than 0.010 inches, but should not interfere with the bush-  
ings themselves.  
Proximity  
switches  
Check the tightness of each proximity switch's  
5
retaining screw. Use an Allen wrench to perform this  
task.  
IMPORTANT:You can damage the proximity switch if  
you over-tighten the retaining screw.  
Replace cutter bushings and check for proper cut-  
ting blade alignment. See Mounting the Cutter Bushings,  
6
Section 3 and the Appendix A and C.  
Plug in the power cord and turn the main power dis-  
connect to the on position if all other maintenance is com-  
pleted.  
7
UGE059/1003  
SC-5 SURE CUT Servo Knife Cutter  
MAINTENANCE 5-9  
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WARNING: Electrical hazard  
CHECKING  
ELECTRICAL  
CONNECTIONS  
Before performing any work on this product,  
disconnect and lock out electrical power  
sources to prevent injury from unexpected ener-  
gization or start-up. A lockable device has been  
provided to isolate this product from potentially  
hazardous electricity.  
WARNING: Improper installation, oper-  
ation, or servicing may result in  
equipment damage or personal injury.  
This equipment should only be installed, adjust-  
ed, and serviced by qualified technical person-  
nel who are familiar with the construction, oper-  
ation, and potential hazards of this type of  
machine.  
All wiring, disconnects, and fuses should be  
installed by qualified electrical technicians in  
accordance with electrical codes in your region.  
Always maintain a safe ground. Do not operate  
the equipment at power levels other than what  
is specified on the machine serial tag and data  
plate.  
Be sure the main power is disconnected and  
the cutter is locked out. Always disconnect and  
lock out the main power source before opening the unit or  
servicing.  
1
2
Turn the main power disconnect to the off  
position before opening the electrical enclosure on the  
back of the cutter, or the back of the control. This is a  
safety device to prevent you from opening the doors if the  
power is still on.  
Main power  
safety disconnect  
Continued  
SC-5 SURE CUT Servo Knife Cutter  
UGE059/1003  
5-10  
MAINTENANCE  
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CHECKING  
ELECTRICAL  
CONNECTIONS  
CONTINUED  
Open the electrical enclosure.  
3
4
Inspect all wires and connections. Look for loose  
wires, burned contacts, and signs of over-heated wires.  
Have a qualified electrician make any necessary repairs or  
replacements.  
Close the electrical enclosure door.  
5
6
Inspect the exterior power cords. Cords should  
not be crimped, exposed, or rubbing against the frame. If  
the main power cord runs along the floor, make sure it is  
not positioned where it could rest in pooling water or  
could be run over and cut by wheels or casters.  
UGE059/1003  
SC-5 SURE CUT Servo Knife Cutter  
MAINTENANCE 5-11  
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NOTE: In installations subjected to extreme corrosion, the slits in clamp  
collars Item 1 and Item 2, as well as in center collars, should be  
sealed with a suitable caulking compound or equivalent. Likewise,  
push-off threads should also be protected from corrosion.  
INSTALLATION AND REMOVAL INSTRUCTIONS FOR  
B-LOC™ LOCKING ASSEMBLY SERIES B112  
Thank you for purchasing a B-LOC™ Keyless Frictional Locking Device.  
B-LOC™ keyless connectors provide a high capacity, zero-backlash  
shaft/hub or coupling connection by means of a mechanical interference  
fit. Please follow these INSTALLATIONAND REMOVAL INSTRUCTIONS  
carefully to ensure proper performance of this B-LOC™ unit.  
INSTALLATION OF B-LOC™ LOCKING  
ASSEMBLIES OVER SHAFT KEYWAYS  
The Locking Assembly should be positioned so that slits in Locking Assembly  
collars that contact the shaft are located approximately opposite the keyway.  
In addition, a locking screw should be centered directly over the keyway.  
WARNING ꢀ  
When installing or removing B-LOC™ products, always adhere to the following  
When tightening locking screws, it is important to follow the installation proce-  
dure outlined above, which specifies equal 1/4 turns of each locking screw.  
Failure to follow these instructions could result in excessive tightening of the  
screw over the keyway, possibly causing permanent deformation of the Lock-  
ing Assembly collars. Even after 1/4 turns can no longer be achieved, it is  
important to continue to use equal turning angles for every screw until the  
specified tightening torque is reached.  
safety standards:  
1. Be sure that all power switches are locked out before installing or removing  
B-LOC™ products.  
2. Eye protection is required when installing or removing B-LOC™ products  
- please wear safety glasses and protective clothing.  
INSTALLATION  
(Refer to Figures 1 and 2)  
REMOVAL  
(Refer to Figure 2)  
B-LOC™ Locking Assemblies are supplied lightly oiled and ready for installa-  
tion. When reinstalling a used unit, make sure that all slits are aligned and  
that front and rear clamp collars are not reversed (when assembled correctly  
there are no holes or threads behind taps in clamp collar Item 1, and no threads  
behind taps in center collar Item 3). The frictional torque capacity of these  
devices is based on a coefficient of friction of 0.12 for lightly oiled screw,  
taper, shaft and bore  
Prior to initiating the following removal procedure, check to ensure that  
no torque or thrust loads are acting on the Locking Assembly, shaft or  
any mounted components.  
IMPORTANT!  
Make sure ends of locking screws used for removal are  
ground flat and are slightly chamfered to prevent damage  
to screw and collar threads during push-off.  
Figure 1  
contact areas.  
1. Check to ensure that axial movement of clamp collars - necessary for  
release of connection - is not restricted. Likewise, ensure that push-off  
threads are in good  
Therefore, it is impor-  
tant not to use Molyb-  
denum Disulfide (e.g.,  
Molykote, Never-Seeze  
or similar lubricants) in  
any Locking Assembly  
installation.  
condition.  
Figure 2  
2. Remove all locking  
screws. Transfer re-  
quired number of  
screws into all push-  
off threads of clamp  
collar Item 1 (see  
Figure 2).  
1. Make sure that lock-  
ing screw, taper,  
shaft and bore con-  
tact areas are clean  
and lightly oiled and  
that all collar slits are  
aligned.  
3. Release collar Item 1  
by progressively tight-  
ening all push-off  
screws. Typically, the  
push-off screws ap-  
2. Loosen all locking  
screws by a minimum of four (4) turns and transfer at least two (2) screws  
to push-off threads in clamp collar Item 1 to disengage this part from  
center collar Item 3. Similarly, transfer at least two (2) screws to push-off  
threads in center collar Item 3 to disengage this part from clamp collar  
Item 2 (see Figure 2).  
pear to be completely  
tight after just one  
pass of tightening  
without any notice-  
able separation of clamp collars. Although it seems that the screws cannot  
be tightened further, several more rounds of torquing in either a clockwise or  
counterclockwise sequence will increase the push-off force in the system and  
ultimately release part of the front collar. Afterwards, only the screws which  
are still tight should be tightened further until complete dismounting is achieved.  
Remove clamp collar Item 1.  
3. Completed assembly can now be placed on shaft and inserted into hub  
bore by pushing against face of collar Item 1 while ensuring that collar  
Item 2 is not engaged at tapers during this phase.  
4. After placement of Locking Assembly, relocate locking screws used for  
separation of collars.  
4. Transfer locking screws used for dismounting of clamp collar Item 1 into  
all push-off threads in center collar Item 3 (see Figure 2). Release clamp  
collar Item 2 by repeating procedures outlined in Step 3.  
5. Hand tighten connection and confirm that clamp collar Item 1 is parallel  
with face of part to be attached to shaft and/or with the front facing edge of  
center collar Item 3.  
6. Use torque wrench and set it approximately 5% higher than specified tight-  
ening torque MA. Tighten locking screws in either a clockwise or counter-  
clockwise sequence (it is not necessary to tighten in a diametrically oppo-  
site pattern), using only 1/4 (i.e., 90°) turns for several passes until 1/4  
turns can no longer be achieved.  
LOCKING SCREW SIZES AND SPECIFIED TIGHTENING TORQUE MA  
B112 LOCKING ASSEMBLY  
Tightening  
Torque  
Hex  
Key  
Size  
(mm)  
Screw  
Size  
Metric Series  
Inch Series  
M
A
7. Continue to apply overtorque for 1 to 2 more passes. This is required to  
compensate for a system-related relaxation of locking screws since  
tightening of a given screw will always relax adjacent screws. Without  
overtorquing, an infinite number of passes would be needed to reach  
specified tightening torque.  
(ft-lbs)  
25 x 55 to 35 x 60  
40 x 75 to 65 x 95  
70 x 110 to 90 x 130  
100 x 145 to 120 x 165  
130 x 180 to 160 x 210  
170 x 225 to 260 x 325  
280 x 355 to 340 x 425  
360 x 455 to 600 x 695  
1 to 1-7/16  
12  
30  
60  
105  
166  
257  
500  
675  
M 6  
M 8  
M10  
M12  
M 14  
M 16  
M 20  
M 22  
5
6
8
10  
12  
14  
17  
17  
1-1/2 to 2-9/16  
2-5/8 to 3-5/8  
3-3/4 to 4-3/4  
4-15/16 to 6  
6-7/16 to 8  
8. Reset torque wrench to specified torque (MA) and check all locking screws.  
No screw should turn at this point, otherwise repeat Step 7 for 1 or 2 more  
passes. It is not necessary to re-check tightening torque after equipment  
has been in operation.  
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B-LOC Corporation 26 Gilbert Street Monroe, NY 10950 For technical assistance, please call 1-800-865-7756  
TROUBLESHOOTING  
Before Beginning . . . . . . . . . . . .6-2  
A Few Words of Caution . . . . . .6-2  
Identifying the  
Cause of a Problem . . . . . . . . .6-3  
Electrical Problems . . . . . . . . . .6-4  
Product Quality Problems . . . . .6-8  
Repair  
Replacing Safety and  
Proximity Switches . . . . . . . .6-12  
Checking the  
Servo Amplifier . . . . . . . . . . .6-12  
Adjusting the  
Proximity Switches . . . . . . . .6-14  
Checking the Encoder . . . . . . .6-15  
Checking the Motor/  
Reducer Assembly . . . . . . . . .6-17  
Checking Repeatability . . . . . .6-18  
UGE059/1003  
SC-5 SURE CUT Servo Knife Cutter  
6-1  
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You can avoid most problems by following the recommended  
installation, operation and maintenance procedures outlined in  
this User Guide. If you have a problem, this section will help  
you determine the cause and tell you how to fix it.  
BEFORE  
BEGINNING  
Find any wiring, parts, and assembly diagrams that were  
shipped with your equipment. These are the best reference for  
correcting a problem. The diagrams will note any custom fea-  
tures or options not covered in this User Guide.  
Verify that you have all instructional materials related to the  
servo knife cutter. Additional details about troubleshooting  
and repairing specific components are found in these materi-  
als.  
Check that you have manual for other equipment connected in  
the system. Troubleshooting may require investigating other  
equipment attached to, or connected with the cutter.  
WARNING: Improper installation, oper-  
ation, or servicing may result in  
equipment damage or personal injury.  
This equipment should only be installed, adjust-  
ed, and serviced by qualified technical person-  
nel who are familiar with the construction, oper-  
ation, and potential hazards of this type of  
machine.  
A FEW WORDS  
OF CAUTION  
All wiring, disconnects, and fuses should be  
installed and adjusted by qualified electrical  
technicians in accordance with electrical codes  
in your region. Always maintain a safe ground.  
Do not operate the equipment at power levels  
other than what is specified on the machine  
serial tag and data plate.  
WARNING: Electrical hazard  
Before performing maintenance or repairs on  
this product, disconnect and lock out electrical  
power sources to prevent injury from unexpect-  
ed energization or start-up. A lockable device  
has been provided to isolate this product from  
potentially hazardous electricity.  
Continued  
SC-5 SURE CUT Servo Knife Cutter  
UGE059/1003  
6-2  
TROUBLESHOOTING  
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DANGER: Sharp blades!  
A FEW WORDS  
OF CAUTION  
CONTINUED  
Most injuries caused by knife blades occur  
when the cutter has been turned off. Handle  
blades with care at all times.  
Always wear cut-resistant gloves when the  
cutting chamber is open and when handling  
blades.  
Always lock out power to the cutter before  
opening the cutting chamber.  
Always wait until the cutter head has stopped  
completely before opening the knife guard.  
SC-5 Sure Cut cutters are equipped with several  
safety devices to ensure safe operation. Never  
remove or disable these devices to sustain pro-  
duction. Operating without these devices can  
cause severe injury.  
When the knife guard is opened, the knife  
guard switch stops the cutter and prevents  
starting the cutter again.  
Two proximity-type safety switches prevent  
operation unless the cutter bushings are in  
place.  
The STOP button activates a circuit that  
stops the knife.  
The Troubleshooting section covers problems directly related  
to the operation and maintenance of the servo cutter. This sec-  
tion does not provide solutions to problems that originate with  
other equipment. Additional troubleshooting help can be  
found in manuals supplied with the other equipment.  
IDENTIFYING THE  
CAUSE OF A  
PROBLEM  
The main problems you will see with the servo cutter are:  
Cutter operation problems, which focus on problems  
that are clearly related to the operation of the cutter’s  
electrical control systems.  
Plastic product quality concerns, which deal with prod-  
uct characteristics that may be related to cutter operation.  
Of course, other sections of the extrusion line also influ-  
ence the quality of the extruded product. This section  
does not provide solutions to problems originating with  
other equipment on the extrusion line.  
Additional troubleshooting help can be found in the manufac-  
turer’s manuals included with this User Guide.  
UGE059/1003  
SC-5 SURE CUT Servo Knife Cutter  
TROUBLESHOOTING 6-3  
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Look in this section when you have problems such as lights on  
the control that are working improperly, buttons that do not  
execute the function properly, and when information input is  
not executed properly.  
ELECTRICAL  
PROBLEMS  
Symptom  
Possible cause  
Solution  
The green start  
button does not  
illuminate when  
pressed  
The E-stop button is  
pushed in.  
Pull out the E-stop button.  
Check to see if:  
The blade guard is closed.  
Master Control relay  
(MCR) has failed. Replace  
relay.  
A safety switch has failed.  
Check connections and replace  
if needed.  
Pressing the cut  
enable soft key and  
cutter does not  
start cutting  
There is a loose connec-  
tion.  
Check wiring between cutter  
control and the relay.  
The relay is bad.  
Repair or replace the relay.  
The guard circuit failed.  
Check guard circuit, repair or  
replace components.  
Pressing the  
Reset/Test button  
does not produce a  
cut when in an on-  
demand mode.  
The servo amplifier is not  
in Program mode.  
Check servo, if necessary,  
reboot main power.  
There is a loose connec-  
tion.  
Check wiring and tighten con-  
nection.  
6-4  
TROUBLESHOOTING  
SC-5 SURE CUT Servo Knife Cutter  
UGE059/1003  
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ELECTRICAL  
PROBLEMS  
CONTINUED  
Possible cause Solution  
Symptom  
The Blade home proximi- Check connections and replace  
After pressing  
Start Cutter, the  
cutter head rotates  
slowly but does not  
stop.  
ty switch failed or the  
connection to it is loose.  
switch if needed.  
Guard circuit is open.  
Check to see if:  
Master safety  
relay does not ener-  
gize  
The blade guard is closed.  
Loose connection to guard  
circuit. Tighten connec-  
tion.  
Guard switch is bad.  
Replace switch.  
Input from encoder  
failed.  
Check encoder cable for conti-  
nuity. Connect any loose wires.  
While in  
Encoder mode, no  
count is displayed  
Encoder failed.  
Replace encoder.  
TROUBLESHOOTING 6-5  
UGE059/1003  
SC-5 SURE CUT Servo Knife Cutter  
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ELECTRICAL  
PROBLEMS  
CONTINUED  
Symptom  
Possible cause  
Solution  
In encoder or  
timer modes, the  
display shows the  
count which resets,  
but a cut does not  
occur at the point  
of reset.  
There is a problem with  
the cutter control.  
Check for control output.  
There is a problem with  
the servo amplifier.  
See Checking the Servo  
Amplifier.  
There is a loose connec-  
tion.  
Check wiring for loose con-  
nections.  
Cutter stops and  
There is an anti-jam cir-  
cuit signal.  
This error appears when the  
blade does not go through the  
cut cycle in the required time.  
Check for:  
nothing is displayed  
Loose connection on cutter  
control or servo amplifier.  
Fault on Amplifier prevent-  
ing cut cycle.  
Blade is stuck in extrudate/  
bushings.  
Look at the drive and  
record the fault code and  
call the Conair service  
department.  
There is a problem with  
the home proximity  
switch.  
See Adjusting the Proximity  
Switches, Section 5.  
6-6  
TROUBLESHOOTING  
SC-5 SURE CUT Servo Knife Cutter  
UGE059/1003  
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ELECTRICAL  
PROBLEMS  
CONTINUED  
Possible cause Solution  
Symptom  
There is a communication Check for wiring for loose  
Blade speed does  
not change when new  
speed is entered into  
the control.  
failure between the con-  
trol and drive.  
connections and tighten.  
Cutter mode selec-  
tion does not change  
cut mode.  
There is a communication  
failure between the con-  
trol and drive.  
Check for wiring for loose  
connections and tighten.  
The park (home)  
position is drifting,  
i.e. the blade parks  
further away from  
the original park site.  
The coupling between the  
servo motor and the  
Micron reducer has  
slipped.  
See Checking the Motor/  
reducer assembly, Section 6.  
The Trantorque coupling  
has slipped.  
Refer to the Trantorque  
instructions, Section 5.  
TROUBLESHOOTING 6-7  
UGE059/1003  
SC-5 SURE CUT Servo Knife Cutter  
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Look in this section when the final product does not meet  
standards: has strings, burrs, cracks, or is misshaped.  
PRODUCT  
QUALITY  
PROBLEMS  
Symptom  
Solution  
Possible cause  
Hairs or strings.  
Increase the blade speed or  
decrease the blade cut path  
area (blade width)  
Blade speed is too low.  
Excessive blade thickness can  
cause frictional heat. Use a  
thinner blade.  
The blade is too thick.  
Change angle of the blade  
attack or the blade style to  
decrease the cut path area.  
The blade is wrong for  
the application.  
Use blade lubrication (water,  
etc.) or change lubricants.  
Consider a blade wiping sys-  
tem.  
Material is building up  
on the blade and wiping  
off on the cut site.  
The cutting edge should not  
have grind marks, burrs or  
other imperfections. Check the  
blade and replace if necessary.  
There are imperfections  
on the blade.  
Change blade design.  
A hole or slot in the blade  
cut path is causing a  
‘cheese grater’ effect.  
If the extrudate is too cold, it  
can fracture during cutting.  
Raise the extrudate's tempera-  
ture.  
The extrudate is too cold.  
SC-5 SURE CUT Servo Knife Cutter  
UGE059/1003  
6-8  
TROUBLESHOOTING  
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PRODUCT  
QUALITY  
PROBLEMS  
CONTINUED  
Symptom  
Possible cause  
Solution  
The bushings are not pro- Change bushing design to  
Burrs at cut site.  
viding enough support  
during cutting.  
make them more supportive.  
The bushing gap is too  
wide.  
The bushing gap should be no  
more than .001-.003 inch larg-  
er than the blade. Check and  
adjust if necessary.  
Low blade speeds can cause  
excessive blade interruption.  
Increase blade speed or  
decrease the blade cut path  
area.  
The blade speed is too  
low.  
UGE059/1003  
SC-5 SURE CUT Servo Knife Cutter  
TROUBLESHOOTING 6-9  
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PRODUCT  
QUALITY  
PROBLEMS  
CONTINUED  
Symptom  
Possible cause Solution  
Cracks at cut  
The extrudate is too cold. If the extrudate is too cold, it  
can fracture or whiten during  
site.  
cutting. Raise the extrudate's  
temperature.  
The blade speed is too  
high.  
High blade speeds can cause  
too much impact. Lower the  
blade speed.  
The bushings are not pro- Change the bushing design to  
viding enough support  
during cutting.  
make them more supportive.  
The cutting blade is too  
sharp.  
A blade that is too sharp can  
fracture some materials, espe-  
cially rigid PVC and nylons.  
Slightly dull the blade.  
If using Nylon, it may be If nylon is cooled too quickly,  
cooling too quickly.  
its molecular structure may  
become unstable, leading to  
poor physical properties. Try  
more gradual cooling.  
SC-5 SURE CUT Servo Knife Cutter  
UGE059/1003  
6-10  
TROUBLESHOOTING  
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PRODUCT  
QUALITY  
PROBLEMS  
CONTINUED  
Symptom  
Possible cause  
Solution  
Cut is not square.  
The blade speed is too  
low.  
Low blade speeds can cause  
excessive blade interruption.  
Increase blade speed or  
decrease the blade cut path  
area.  
The blade is misaligned.  
Check that blade is 90 degrees  
relative to the bushing holder.  
The cutter bushings are  
not properly gapped.  
If the cutter bushings are not  
properly gapped, the blade  
may be free to move with the  
extrudate. Check and adjust if  
necessary. See Appendix A.  
If the knife bevel is asymmet-  
ric, the blade will tend to move  
in the direction of the smaller  
bevel. Be sure that the bevel is  
symmetric. NOTE: You can  
use this to your advantage with  
some rigid products.  
The knife bevel is not  
symmetric.  
There must be enough space  
between the puller and cutter  
to allow for extrudate stoppage  
that occurs during cutting.  
Allow enough space so no cut  
shock is detectable at the input  
to the belt puller with your fin-  
gernail.  
For rigid products the  
puller is too close to the  
cutter.  
UGE059/1003  
SC-5 SURE CUT Servo Knife Cutter  
TROUBLESHOOTING 6-11  
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Three safety switches are included in SC-5 Sure Cut cutters: a  
keyed safety switch on the knife guard, and a proximity switch  
on each cutter bushing. A failure in any of these switches will  
prevent the cutter from running.  
REPLACING  
SAFETY AND  
PROXIMITY  
SWITCHES  
Safety Switch  
If you suspect a problem with the keyed safety switch on  
the knife guard, check for loose or damaged wires.  
Replace the switch if wires appear to be undamaged.  
Proximity Switches  
The proximity switches on the cutter bushings have LEDs  
that light when the bushing is sensed. If an LED does not  
light when the bushing is in place:  
Check for loose or damaged wires.  
1
Remove the cutter bushing and make sure the prox-  
imity switch is properly positioned, i.e. 0.010 inch  
2
from the bushing surface.  
Remove the proximity switch by loosening the set  
screw. Test it by bringing some object close to the  
3
sensor when the power is turned on. If the LED does  
not light, replace the proximity switch.  
The servo amplifier is equipped with a digital readout that can  
be seen through the viewing window on the electrical enclo-  
sure. This display shows amplifier status and error messages.  
Refer to the supplier's documentation included with this User  
Guide.  
CHECKING THE  
SERVO  
AMPLIFIER  
NOTE: Make sure you look for servo amplifier messages  
before you shut off the power.  
CAUTION: Insure that all personnel  
involved in the installation, operation  
and maintenance of this particular  
cutting machine, as well as those persons  
who will act as supervisory personnel, have  
read and fully understand these instructions  
and those contained in any and all accompany-  
ing suppliers manuals and instruction sheets  
before attempting to install, operate or perform  
maintenance on this machine.  
SC-5 SURE CUT Servo Knife Cutter  
UGE059/1003  
6-12 TROUBLESHOOTING  
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The home position proximity switch should be 0.010 inch  
from the 5/16 inch thread rod on the cutter head for proper  
operation.  
ADJUSTING THE  
PROXIMITY  
SWITCHES  
Open the flywheel clear guard window.  
1
Locate the 5/16 inch thread rod on the cutter  
2
head. It should be 0.010 inch from the proximity switch  
sensor when it passes that location. If necessary, loosen  
the jam nuts, readjust the distance, and re-tighten the jam  
nuts.  
DANGER: Sharp blades!  
Always wear cut-resistant gloves when the cut-  
ting chamber is open and when handling  
blades. Never open cutting chamber without  
locking out the cutter power.  
Most injuries caused by knife blades occur  
when the cutter has been turned off. Handle  
blades with care at all times.  
If the proximity switch does not sense the cutter  
head after this adjustment, remove the switch and test it  
outside the cutter. Replace if necessary.  
3
UGE059/1003  
SC-5 SURE CUT Servo Knife Cutter  
TROUBLESHOOTING 6-13  
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When the encoder is working properly, the encoder LEDs on  
the control panel light or flicker as the encoder wheel moves  
and generates signals. If the LEDs do not light when the  
encoder wheel moves:  
CHECKING THE  
ENCODER  
Check all connections.  
1
Check the encoder cable for damage. If neces-  
sary, replace.  
2
Check the connector that attaches the cable to  
3
the encoder. Internal wiring may be shorted out if this  
connector is not handled properly.  
Check the encoder itself. There should be no play  
in the shaft.  
4
WARNING: Delicate equipment  
The encoder is a delicate piece of equipment.  
Any rough handling can damage fragile parts.  
If all else fails, contact Conair Customer Service. See  
Appendix A.  
5
Continued  
SC-5 SURE CUT Servo Knife Cutter  
UGE059/1003  
6-14 TROUBLESHOOTING  
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Encoder Mounting and General Information  
CHECKING THE  
ENCODER  
The provided encoder is a precision instrument which outputs  
3000 bi-directional quadrature pulses per revolution of the  
shaft.  
CONTINUED  
Do not apply excessive axial or radial thrust on encoder shaft  
(rated for 30lbs. axial thrust).  
Do not press or dive gears or pinions on the encoder shaft.  
Encoders are an instrument containing an accurately posi-  
tioned electronic system. Dropping will cause damage as the  
inner disc is made of glass and is easily damaged.  
Parts should slide freely on the shaft prior to securing with a  
clamp or set screw. (.001 slide fit).  
Excessive clearance in mounting hole can lead to inaccuracy.  
If encoder is taken apart, the warranty is invalidated. (seal bro-  
ken)  
Encoder wheel should not exceed .001 TIR.  
If mounting encoder and wheel assembly on belt or roller:  
Tighten bracket to facilitate no vertical movement.  
Apply encoder wheel to surface to be measured in position  
that will not allow slippage, but confirms to above warn-  
ings.  
Alternatives to above mounting of encoder:  
Direct drive through solid (precision board) coupling to  
encoder on output side of any type gear box to remove error  
due to backlash in gears.  
Use O-ring as a drive belt from belt sheave to encoder  
wheel. (Items must be machined on mandrels or actual  
mounting shafts to facilitate precision TIR to obtain best  
accuracy.)  
UGE059/1003  
SC-5 SURE CUT Servo Knife Cutter  
TROUBLESHOOTING 6-15  
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Open the flywheel clear guard window.  
CHECKING THE  
MOTOR/REDUCER  
ASSEMBLY  
1
2
Remove the cutter head by loosening the Trantorque  
assembly. Refer to the manufacturer's guide included with  
this User Guide for information about the Trantorque  
assembly.  
Locate the four bolts holding the motor/reducer  
assembly to the cutter. Remove them and carefully  
remove the assembly from the cutter.  
3
4
Refer to the Micron installation and maintenance  
information included with this User Guide to check and  
adjust the motor/reducer assembly. Refer to section 5,  
Installation and Removal Instructions for B-Loc.  
SC-5 SURE CUT Servo Knife Cutter  
UGE059/1003  
6-16 TROUBLESHOOTING  
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Before any Conair puller/cutters are shipped, they are tested  
for cut time repeatability to be sure they are within perfor-  
mance specifications. The repeatability test checks the perfor-  
mance of the rotary knife cutter to return the home park posi-  
tion after a complete cut. Acceptable repeatability times  
allowed for each cutter model prior to shipping are:  
TESTING  
REPEATABILITY  
Type of Cutter  
Repeatability Time  
AC Pneumatic Cutter  
DC Pneumatic Cutter  
Positional Servo (FX)  
Less than 1 millisecond  
Less than 1.5 millisecond  
Less than 0.1 millisecond  
Note: 1-millisecond at 60 feet per minute is equal to .012 inches.  
The repeatability mode is built into the Conair cutter controls  
and allows you to perform similar tests, without any external  
test equipment. It is recommended that you check repeatability  
on a regular basis. Acceleration/deceleration delays of the  
servo do not contribute to repeatability error; any error is  
attributed solely to motor stability, couplings, assembly,  
power, and proximity sensor alignment.  
Use any blade speed and line speed. The line speed is only  
seen while in the Encoder or Product modes. It is recommend-  
ed that the tests be performed at cut intervals between 0.5 and  
5-seconds. Do not change the blade speed or the line speed  
after starting the test.  
To test repeatability:  
Turn on the cutter. Performing the test with the cutter  
off-line shows problems with the cutter; performing the  
1
test with the cutter on-line shows a problem with the  
puller.  
Place the cutter in any mode except follower  
mode.  
2
Press the Cut On/Off button; the cutter is activated  
automatically.  
3
Press and hold the Move Right button  
for a minimum of 5 seconds.  
4
Read the results on the display.  
5
Repeat the test by pressing the Reset/Test Cut button to begin  
a new sample period.  
To end the Repeatability test, press any button except the  
Reset/Test Cut button. The LED returns to its normal display.  
UGE059/1003  
SC-5 SURE CUT Servo Knife Cutter  
TROUBLESHOOTING 6-17  
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Conair has made the largest investment in customer support in  
the plastics industry. Our service experts are available to help  
with any problem you might have installing and operating  
your equipment. Your Conair sales representative also can help  
analyze the nature of your problem, assuring that it did not  
result from misapplication or improper use.  
WERE HERE  
TO HELP  
To contact Customer Service personnel, call:  
HOW TO CONTACT  
CUSTOMER  
SERVICE  
From outside the United States, call: 814-437-6861  
You can commission Conair service personnel to provide on-  
site service by contacting the Customer Service Department.  
Standard rates include an on-site hourly rate, with a one-day  
minimum plus expenses.  
If you do have a problem, please complete the  
following checklist before calling Conair:  
BEFORE YOU  
CALL ...  
ꢀꢀ Make sure you have all model, serial and parts list  
numbers for your particular equipment. Service  
personnel will need this information to assist you.  
Make sure power is supplied to the equipment.  
Make sure that all connectors and wires within  
and between the cutter and related components have  
been installed correctly.  
ꢀꢀ Check the troubleshooting guide of this manual  
for a solution.  
Thoroughly examine the instruction manual(s)  
for associated equipment, especially controls.  
Each manual may have its own troubleshooting  
guide to help you.  
Additional manuals and  
prints for your Conair  
equipment may be  
ordered through the  
Customer Service or  
Parts Departments for  
a nominal fee.  
Check that the equipment has been operated as  
described in this manual.  
Check accompanying schematic drawings for  
information on special considerations.  
SERVICE INFORMATION  
APPENDIX A-1  
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Conair guarantees the machinery and equipment on this  
order, for a period as defined in the quotation from date of  
shipment, against defects in material and workmanship  
under the normal use and service for which it was recom-  
mended (except for parts that are typically replaced after  
normal usage, such as filters, liner plates, etc.). Conair’s  
guarantee is limited to replacing, at our option, the part or  
parts determined by us to be defective after examination.  
The customer assumes the cost of transportation of the  
part or parts to and from the factory.  
EQUIPMENT  
GUARANTEE  
Conair warrants that this equipment will perform at or  
above the ratings stated in specific quotations covering the  
equipment or as detailed in engineering specifications,  
provided the equipment is applied, installed, operated and  
maintained in the recommended manner as outlined in our  
quotation or specifications.  
PERFORMANCE  
WARRANTY  
Should performance not meet warranted levels, Conair at  
its discretion will exercise one of the following options:  
Inspect the equipment and perform alterations or  
adjustments to satisfy performance claims. (Charges  
for such inspections and corrections will be waived  
unless failure to meet warranty is due to misapplica-  
tion, improper installation, poor maintenance practices  
or improper operation.)  
Replace the original equipment with other Conair  
equipment that will meet original performance claims  
at no extra cost to the customer.  
Refund the invoiced cost to the customer. Credit is  
subject to prior notice by the customer at which time a  
Return Goods Authorization Number (RGA) will be  
issued by Conair’s Service Department. Returned  
equipment must be well crated and in proper operating  
condition, including all parts. Returns must be prepaid.  
Purchaser must notify Conair in writing of any claim and  
provide a customer receipt and other evidence that a claim  
is being made.  
Except for the Equipment Guarantee and Performance  
Warranty stated above, Conair disclaims all other war-  
ranties with respect to the equipment, express or  
implied, arising by operation of law, course of dealing,  
usage of trade or otherwise, including but not limited to  
the implied warranties of merchantability and fitness for  
a particular purpose.  
WARRANTY  
LIMITATIONS  
APPENDIX A-2  
WARRANTY INFORMATION  
UGE059/1003  
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Cutter blade characteristics such as material, design, and  
thickness can have a large effect on cut quality.  
CUTTER BLADE  
SELECTION  
AND USE  
Blade materials  
Blue tempered spring steel is most commonly used because  
of its cost and availability over a wide range of thicknesses  
(0.010-0.062 inch). It is a very tough material with an HRC  
value of approximately 48-51 and fair wear characteristics.  
Razor blade stainless steel is becoming very popular due to  
its HRC value of 57-58, which leads to improved wear resis-  
tance. This material retains good toughness, but will chip or  
break. It is available in 0.010-0.062 inch thicknesses. Because  
it is non-corrosive, stainless steel is a good choice for medical  
cutting applications, and may even be coated with Teflon to  
enhance cut quality.  
A-2 is a good grade of tool steel with an HRC of 60. Its mini-  
mum thickness (0.031 inch) forces the blade manufacturer to  
grind it down for thinner applications, which adds cost. A-2 is  
more wear resistant than stainless, but is also more brittle.  
M-2 is an excellent grade of tool steel with an HRC of 63-66.  
It is one of the best materials for coating with titanium nitride  
for improved wear resistance. (However, coatings generally  
cause some slight loss of sharpness.) 0.025 inch material is  
available, which covers many applications without the need  
for secondary grinding operations.  
D-2 is another excellent tool steel with an HRC range of 58-  
60. It is tougher than M-2 but has slightly less wear resistance.  
Its minimum thickness (0.035 inch) and the need for special-  
ized grinding materials, make it a relatively expensive materi-  
al. It is the material of choice for cutting Kevlar-reinforced  
hose.  
CPM 10-V is a form of carbide developed especially for the  
high speed punch industry. With an HRC of 60-62 and a  
toughness that far exceeds D-2, it is by far the best cutting  
blade material. Because its minimum thickness is 0.035 inch,  
and it requires the use of diamond grinding wheels, CPM 10-  
V is the most expensive of the blade materials.  
APPENDIX B-1  
UGE059/1003  
CUTTER BLADE SELECTION AND USE  
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Blade Design  
CUTTER BLADE  
SELECTION  
AND USE  
Straight-edge knives have a straight cutting surface. A chop-  
ping action (which has cutting forces parallel to the cut) is  
typically obtained with straight-edge blades.  
Because the blade is mounted on a rotary arm, some slicing  
action (which has additional force vectors at various angles to  
the cutting edge) is obtained, but generally not through the  
entire cutting action. If a slicing action is required, the angle  
of attack can be modified by mounting the blade on a 30-45  
degree angle as close to the cut site as possible. In many cases  
the bushings must be modified to allow the blade holder to  
have close proximity to the cut site. This offers the steepest  
angle of attack throughout the entire cutting process.  
Generally straight knives can be obtained in thicknesses from  
0.004-0.060 inch depending on the application.  
Curved-edge knives offer increased slicing throughout the  
entire cutting action. They are generally used for cutting rub-  
ber preforms, rubber hose, flexible foams, and other materials  
that require slicing. Blade lubrication is often used to enhance  
the cut and minimize blade and bushing buildup.  
As a general rule, curved-edge knives offer improved cut qual-  
ity on rigid materials if additional heat can be used. However  
if used on cold rigid materials, curved knives have a tendency  
to produce wavy or angled cuts.  
A curved edge knife can sometimes cut larger cross section  
profiles and tubing with the same horse power as a straight  
edge blade. However, the use of a curved blade increases  
product interruption. To overcome this effect, use a variable  
speed rotary knife cutter to vary the blade speed to obtain the  
desired cut quality.  
Piercing blade (bat-wing, woodpecker) knives are specifi-  
cally designed for cutting thin wall tubing. Their shape mini-  
mizes penetration marks caused by the flattening action of the  
blade prior to penetration of the extrudate. These are the most  
expensive type of blade, and the most susceptible to breakage.  
Because the point is exposed and not fully supported by the  
bushings, it may deflect into the bottom of the bushing bore  
and break off. For these reasons, piercing blade knives are  
usually used as a last resort.  
Some rigid materials require warming when this type of blade  
is used because the impact of the point can cause cracking or  
whitening.  
B-2 APPENDIX  
CUTTER BLADE SELECTION AND USE  
UGE059/1003  
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Blade thickness  
CUTTER BLADE  
SELECTION  
AND USE  
Because material is displaced rather than removed in rotary  
knife cutting, think of the blade as a wedge. The thicker the  
blade, the greater the displacement. This displacement can  
cause fracture in rigid profiles and tubing, which is often  
observed as a whitening on all or a portion of the cut. You can  
reduce this fracturing by reducing the thickness of the blade.  
(This effect can also be minimized by heating the profile or  
tube. However, if heat is used to enhance cut quality, the bush-  
ings must be supportive enough to minimize distortion.)  
If the cutting blade is too thin, it may actually deflect within  
the bushing bore. This can lead to "S" shaped cuts or prema-  
ture blade breakage.  
Optimizing blade speed  
Flexible extrudates generally require a very fast blade speed  
with a slicing action for best results. This is due to the fact  
that even minimal interruption can cause a blade jam on a  
product that has little or no internal strength.  
On the other hand, rigid extrudates may require different blade  
speeds to obtain the desired cut quality. What's needed for a  
particular application depends on blade style, internal heat,  
and blade thickness. Speeds as slow as 300 rpm may be  
required if a curved blade is used with little or no heat.  
Improving cut quality by adding heat  
to certain materials  
All rigid extrudates can have their cut quality improved by the  
addition of heat. A few of the most common materials and the  
respective temperatures are listed below:  
Rigid PVC  
Styrene ABS  
Polypropylene  
110°-125° F  
120°-135° F  
160°-200° F  
It is important to remember that as the temperature approaches  
the glassification zone, the degree of support offered by the  
bushing becomes more important.  
UGE059/1003  
CUTTER BLADE SELECTION AND USE  
APPENDIX B-3  
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Calculating Blade Interruption  
CUTTER BLADE  
SELECTION  
AND USE  
Blade interruption is the length of time which the blade  
interrupts the extrudate during the cutting process. Knowing  
blade interruption allows you to optimize blade speed and  
design for specific applications.  
You can calculate blade interruption for your application if  
you know:  
the cutting blade width  
blade speed (cutter rpm)  
extrudate cross section  
The rotary knife cut path circumference is fixed for each cut-  
ter model:  
SC-5 Sure Cut Bushing Knife Cut Path Knife Cut Path  
Model  
Diameter  
Diameter  
Circumference  
5
2.25"  
3.25"  
4.25"  
5.25"  
2"x4"  
2"x6"  
2"x8"  
2"x10"  
3"x6"  
4"x7"  
28"  
29"  
30"  
31"  
28"  
28"  
28"  
28"  
29"  
30"  
87.9"  
91.1"  
94.2"  
97.3"  
87.9"  
87.9"  
87.9"  
87.9"  
91.1"  
94.2"  
As an example, calculate the blade interruption (in millisec-  
onds) for an SC-5 cutter running 1/4 inch (0.250 inch) OD  
tubing. The blade speed is 718 rpm and the cutting blade is  
15/16 inch (0.937 inch) width at the point where it passes  
through the extrudate, and the cut path circumference is 87.9"  
for the SC-5.  
Calculate the blade interruption time. The interruption time  
starts when the blade makes its first contact with the extrudate  
and ends when the blade is totally clear of the product (i.e. no  
longer interrupting it). Because we know the blade travel  
speed, we can calculate the interruption time if we know how  
far the blade travels during period of interruption. This dis-  
tance is equal to the sum of the extrudate outer diameter and  
the blade width at the point of contact.  
Blade interruption = (Product OD + Blade width) X 60,000  
time, msec  
Knife circumference  
rpm  
B-4 APPENDIX  
CUTTER BLADE SELECTION AND USE  
UGE059/1003  
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CUTTER BLADE  
SELECTION  
AND USE  
To calculate interruption time:  
(0.937 in. + 0.250 in.) X 60,000msec/rev = 1.13msec  
87.9 in.  
718 rpm  
Knowing the interruption time and the line speed, you can cal-  
culate the amount of production deflection that must be  
accommodated during cutting. To calculate the amount of  
extrudate deflection between the cutter and puller, multiply  
line speed by interruption time:  
Blade Interruption X Line speed, X 12  
time, msec fpm 60,000  
= Deflection,  
in.  
1.13msec X 60 fpm X 12  
=
.014 in.  
In this example the puller and cutter must be set up to allow  
for 0.014 inch of product deflection during cutting. Failure to  
do this can lead to puller stoppage (which can form annular  
rings on the product), and poor-quality cuts (hairs or fuzz and  
angular cuts.  
APPENDIX B-5  
UGE059/1003  
CUTTER BLADE SELECTION AND USE  
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Part  
No.  
Blade Bushing  
Blade  
Thickness Material  
x Length  
Blade  
CONAIR CUTTER  
BLADES  
Type  
Size  
{inches}  
{inches}  
0235-30496  
3515-30496-1  
3515-30496-2  
Straight 41/ , 51/ , 4x10 0.025x9.5  
Spring Steel  
Spring Steel  
Spring Steel  
4
4
Straight 21/ , 2x4, 2x6  
0.025x6.48  
4
Straight 31/ , 2x8, 2x10, 0.025x8.33  
4
2x12, 4x7  
3515-30488  
Curved 31/ , 4x7, 3x6  
0.025x11.15 Spring Steel  
4
B-6 APPENDIX  
CONAIR CUTTER BLADES  
UGE059/1003  
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Rotary knife cutter bushings are probably the most ignored  
aspect of cutting. Yet, they are probably the most important  
ingredient to obtaining clean, square, accurate cuts with mini-  
mal jamming and broken blades.  
ALL ABOUT  
CUTTER  
BUSHINGS  
This appendix contains information about several aspects of  
cutter bushings:  
bore characteristics  
bushing length  
shear surface characteristics  
the bushing gap  
Cutter bushing bore size  
The cutter bushing bore size affects both the cutting process  
and the overall extrusion process.  
Bushings with relatively large bores are often used to facilitate  
start-up and minimize bushing inventory. While this practice is  
acceptable for start-up, it will lead to premature blade failure  
because the bushings do not properly support the blade. For  
optimum cut quality, make sure the bore adequately supports  
the tube or profile.  
When the blade first makes contact with the tube or profile, it  
pushes the part until is assumes the size and/or shape of the  
bushing bore. In the case of tubes this causes two marks on  
the tube (penetration marks) that show where the tube flat-  
tened before the blade actually penetrated it. The tighter the  
bushing bore size to tube size, the closer the marks become,  
making them less obvious.  
If the bushing bore is too tight, excessive extrudate interrup-  
tion or even jamming may occur. In turn, this can cause inter-  
nal air blockage in free extruded flexible materials and thus  
extrudate size fluctuations. In the case of rigid profiles or  
tubes, belt puller slippage may occur during the cutting if the  
bushings are improperly configured. This can cause annular  
rings around the extrudate and size fluctuations.  
For rigid profiles or tubes, allow 0.010-0.020 inch clear-  
ance over the OD tolerance. Anything tighter than 0.010  
inch will be difficult to process. For easier startup, allow  
as much as 1/4 inch above a rigid profile because the  
blade will force the profile to the bottom of the cutting  
bushing where the shearing action occurs. However, if  
perfect squareness is required, the clearance above the  
profile should be minimized to prevent bowing.  
UGE059/1003  
ALL ABOUT CUTTER BUSHINGS  
APPENDIX C-1  
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Supportive bushings become more important if heat is  
used to minimize whitening (fracturing).  
ALL ABOUT  
CUTTER  
BUSHINGS  
If you are cutting a square or rectangular profile, whether  
rigid or flexible, a round bushing bore will not offer  
proper support and will often lead to an "S" shaped cut. A  
flat bottomed bushing will offer excellent support and  
enhance the shearing action of the blade.  
In the case of flexible extrudates, allow 0.010-0.050 in.  
clearance depending on durometer and surface; the softer  
durometers and tacky surfaces require the most clearance.  
In the case of softer durometer materials, bushing lubrica-  
tion may be required to minimize drag and material build-  
up between the cutter bushing faces.  
Cutter bushing bore surface quality  
The internal surface of the cutter bushing must be smooth and  
glass-like when cutting flexible extrudates, otherwise exces-  
sive drag causes jamming and can lead to variations in cut-to-  
length accuracy.  
When cutting flexible materials, have the internal sur-  
face machined to resemble glass. In many cases, med-  
ical processors will actually have the ID of their bush-  
ings either honed or burnished for best results.  
When cutting clear extrudates, it is also very important  
to have a smooth internal surface to minimize scratch-  
es. In some cases it may be necessary to make a Teflon  
or Delrin insert to further minimize drag and/or scratch-  
ing.  
Bushing lubrication can also help minimize bushing  
drag.  
Be sure to have a lead-in angle machined into the  
entrance of the upstream cutter bushing. The transition  
from the bore to the lead-in angle should not be abrupt  
as it to can cause variable drag.  
C-2 APPENDIX  
ALL ABOUT CUTTER BUSHINGS  
UGE059/1003  
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Cutter bushing shear surface quality  
ALL ABOUT  
CUTTER  
BUSHINGS  
Similar to a dull pair of scissors, if the cutter bushing shear  
surface is not sharp the tube or profile is not supported to the  
side of the blade and the cut will not be clean. In some cases,  
the entrance of the downstream cutter bushing is slightly  
radiused to minimize jamming. While this practice helps  
accommodate bushing bores that are not quite aligned, it has a  
negative effect on cut quality.  
The shear surface of both the upstream and downstream  
cutter bushings should be sharp and bored to the same  
size. NOTE: In high speed cutting applications, the down-  
stream bushing is sometimes bored 0.005” larger than the  
upstream bushing to minimize jamming. Deburr the edge  
after the boring operation, but be careful to remove only  
the burr and not the edge.  
Leave a minimum land of 1/8 - 1/4” on the face of the  
cutter bushing beyond the bore. Angle the rest of the  
bushing face with a 10-15 degree lead-in.  
APPENDIX C-3  
UGE059/1003  
ALL ABOUT CUTTER BUSHINGS  
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Cutter bushing length  
ALL ABOUT  
CUTTER  
BUSHINGS  
CAUTION: Blade hazard  
In order to comply with OSHA regulations, the  
distance from the sidewall of the cutter to the  
blade (through the bushing) must be long  
enough to prevent fingers from reaching the  
blade.  
On flexible extrudates, it is important to minimize the length  
of the cutter bushings. It is very difficult to push flexible  
extrudates through since it tends to compress as it is pushed,  
causing a marginal increase in the tube diameter. For this rea-  
son, bushing lubrication may be necessary to minimize drag as  
the length of the bushings increase. A discharge conveyor may  
also be helpful in removing longer cut parts. The exit bushing  
may be funneled to allow the cut part to drop out faster while  
still maintaining minimal bushing length for safety.  
For flexibles, the upstream cutter bushing should offer  
total support to the extrudate as close to the nip point  
of the puller as possible. In this way the part is not able to  
move from side to side or bow from the weight of the  
tube, which can, in turn, cause variable drag. You use the  
strength of the tube to push itself.  
The bore length of the exit bushing should not be shorter  
than 1 1\2 times the diameter of the tube with the remain-  
der of the bushing length being tapered. On sticky flexible  
extrudates, the parts will actually stick back together if  
the new part has to push the cut part out very far.  
For rigid extrudates, the length of the cutter bushings can  
result in a square cut or an angular cut. The cutter bushings  
support the extrudate keeping it from moving from side to side  
and bowing from the weight of the profile itself. Many proces-  
sors make their bushings short to minimize cost of EDM  
which is determined by depth of cut.  
For rigid extrudates, a general rule is to make the length  
of the cutting bushings equal to two times the largest out-  
side dimension. NOTE: In the case of full profile cutter  
bushings where maximum support is offered, the bushing  
length may be shortened depending on actual clearance.  
Be sure to have a lead-in angle machined into the  
entrance of the upstream cutter bushing. The transition  
from the bore to the lead-in angle should not be abrupt as  
it to can cause variable drag.  
C-4 APPENDIX  
ALL ABOUT CUTTER BUSHINGS  
UGE059/1003  
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Adjusting the cutter bushing gap  
ALL ABOUT  
CUTTER  
BUSHINGS  
If the bushing gap is too big, material is dragged down  
between the bushings creating a burr, especially with flexibles.  
This may lead to jamming within the bushings where the  
upstream side of the cut extrudate actually hits against the  
downstream bushing surface. This is especially apparent with  
flexibles with non-concentric walls where a slight bow is pre-  
sent.  
Locate the downstream bushing such that it touches the  
blade without deflecting it. Lock it in place and rotate the  
blade to check proper gap.  
Locate the upstream cutter bushing with 0.001-0.002 inch  
of the blade and lock it in place. Rotate the blade through  
the set bushings to insure proper gap. NOTE: Because  
blades are rarely perfectly flat, it is possible that a swish-  
ing sound will be heard.  
If hairs are present on only the upstream cut end of a tube  
or profile, it may be necessary to allow a 0.002-0.005  
inch gap on the downstream bushing to allow the blade to  
slightly move with the extrudate during the cutting cycle  
and not cause excessive frictional heat which actually  
melts the extrudate. NOTE: Blade/bushing lubrication can  
also help to solve this problem.  
APPENDIX C-5  
UGE059/1003  
ALL ABOUT CUTTER BUSHINGS  
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Blade and bushing lubrication can nearly always improve the  
quality of cutting.  
BLADE AND  
BUSHING  
LUBRICATION  
Description of the cutting process  
Unlike sawing, a rotary knife cutter displaces material rather  
than removing it. When the knife blade first contacts the  
extrudate, it pushes it against the opposite side of the cutter  
bushings. If there is too much clearance the extrudate may  
crack or distort before cutting even begins. Tubing may devel-  
op two distinctive marks related to the compression of the  
tube.  
Once the blade penetrates the part, material is displaced to  
either side of the blade. This displacement will vary in degree  
and visibility depending on the type of material, temperature,  
blade thickness, blade style, and blade speed. As the material  
is displaced, heat is generated and passed to the blade surface.  
Flexible materials (flexible PVC, urethanes, and even LDPE)  
will generally compress during cutting, leaving little or no  
sign of displacement. The cut will appear uniformly glossy  
and free of fracture. However, a closer look will show very  
fine lines on the cut face. With flexible materials, these lines  
will typically show an arc or "S" pattern which can be attrib-  
uted to compression of the part as the blade passed through.  
Rigid materials such as rigid PVC and styrene will tend to  
fracture during cutting. The cut surface changes from glossy  
to dull, and finally becomes whitened and rough. Whitening  
occurs when cutting changes to fracturing: the cut begins to  
extend in front of the cutting blade, which acts as a wedge. At  
this point, you can only hope the fracture is controlled, allow-  
ing for a square cut.  
Friction and heat during cutting  
Because most rotary knife cutters don't travel with the flow of  
the extrusion line, forward motion is interrupted as the blade  
passes through the plastic tube or profile. This interruption  
causes friction, which generates heat in the cutting blade. As  
the temperature of the blade increases, plastic is melted at the  
cut site. This melted plastic can adhere to and coat the cutting  
blade, especially on the upstream side, and be transferred to  
the next part in the form of hairs or tissue-like film. This will  
be especially noticeable on the top inside of the tube or pro-  
file.  
BLADE AND BUSHING LUBRICATION  
UGE059/1003  
D-1 APPENDIX  
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Common cutting lubricants  
Commonly used general purpose lubricants include:  
Tap water  
Dish washing liquid (Joy, etc)  
Glycol (anti-freeze, coolant)  
Water-soluble silicone cutting oils  
Diesel fuel  
BLADE AND  
BUSHING  
LUBRICATION  
Mold release  
Mineral oil  
Medical grade lubricants:  
Distilled water  
Isopropanol (isopropyl alcohol)  
Mixtures of isopropanol and water  
Lubrication systems  
The most basic blade lubrication system for rotary knife cut-  
ters is using a stainless steel tray filled with the lubricant.  
Because the cutting blade passes through the tray during every  
cutting cycle, the blade is lubricated before each cut. This  
approach limits material buildup on blade and bushing sur-  
faces for most applications. Care must be taken to maintain  
the lubricant level within the tray and clean out accumulated  
cut residue on a regular basis.  
Spray mist systems can be used to lubricate either the blade or  
the extrudate as it enters the cutter bushings. These systems  
allow the application of a minimum amount of lubricant with  
good consistency. If the mist is applied to the product as it  
enters the cutter bushings, the lubricant will minimize the drag  
between the bushing bore and the tube or profile, as well as  
wet the blade and bushing faces. With flexible and/or sticky  
materials this can improve both cut quality and cut-to-length  
accuracy.  
The last method of blade lubrication (and the oldest) is the  
blade wipe system. Felt, sponge, or some other absorbent  
material is mounted so the rotary knife blade will pass through  
it, with interference, before making a cut. Typically a gravity  
drip or wick system is used to keep the absorbent material wet  
with lubricant. These systems not only lubricate the blade, but  
also wipe off residue before each cut. However, the operator  
must constantly observe the condition of the pads as they wear  
quickly and lose their function. Another concern (especially in  
medical applications) is what happens to wear particles from  
the pads. This material frequently ends up on the blade itself,  
and is then transferred to the very product it is meant to pro-  
tect from contamination.  
UGE059/1003  
BLADE AND BUSHING LUBRICATION  
APPENDIX D-2  
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If the blade has a rough surface where the extrudate rubs  
against it, material will accumulate on the blade in a cheese  
grater fashion. This scratched material will also be passed  
from the blade to the next cut and be seen as hairs or flakes.  
BLADE AND  
BUSHING  
LUBRICATION  
Some of the more flexible materials, such as silicones, soft  
urethanes and flexible PVCs, also exhibit drag against the  
blade during the cutting cycle. The part will actually stick to  
the side of the blade and drag down between the bushings.  
Typically a small "c" shaped tail of the tube will accumulate  
in the bottom of the cutting chamber. This tail actually tore off  
the tube rather than cut due to the excessive drag against the  
blade  
The generation of heat during cutting can also lead to parts  
that stick to each other. They may appear to be welded togeth-  
er, and an extra operation may be required to separate them.  
This can be a real problem in materials such as latex, silicone,  
PP, and flexible PVC.  
Benefits of using lubricants  
The primary benefit of using a cutting lubricant is reducing  
friction. If the cutting blade is coated with a film of lubricant,  
the coefficient of friction between the blade and the plastic  
tube or profile is reduced, reducing the generation of frictional  
heat.  
Lubricants also minimize the tendency for material to stick to  
the blade, thus minimizing the potential for material to be  
wiped on the next cut part. The co-efficient of friction is  
reduced with varying degrees, depending on the type of lubri-  
cant, which in turn limits the increase in blade temperature.  
Over time this can lead to an increase in blade life because the  
cutting edge will last longer at cooler operating temperatures.  
While lubricants can also help minimize problems caused by  
rough or poorly ground blades and cutter bushings, it is gener-  
ally better to solve the problem than mask it with lubricants.  
BLADE AND BUSHING LUBRICATION  
UGE059/1003  
D-3 APPENDIX  
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ENCODER MODE  
OPERATOR DISPLAY OVERVIEW  
ENC 00000.000 in.  
Parts  
Off  
Length  
SELECT PARTS AREA  
Total Exit Batch  
LENGTH 00000.000 in.  
Exit  
OR  
OR  
TOTAL 0,000,000 pcs.  
BATCH 000,000 pcs.  
Change Off Reset  
Off  
Exit  
Reset  
OR  
SELECT BATCH AREA  
Preset Exit Alarm  
OR  
PRESET 000,000 pcs.  
Exit  
ALARM 000,000 pcs.  
Exit  
OR  
OR  
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END SENSE MODE  
OPERATOR DISPLAY OVERVIEW  
SNS 00000.000 sec.  
Parts  
Off  
Time  
SELECT PARTS AREA  
Total Exit Batch  
Holdoff 00000.000 sec.  
Exit  
OR  
OR  
TOTAL 0,000,000 pcs.  
BATCH 000,000 pcs.  
Change Off Reset  
OR  
Off  
Exit  
Reset  
SELECT BATCH AREA  
Preset Exit Alarm  
OR  
PRESET 000,000 pcs.  
Exit  
ALARM 000,000 pcs.  
Exit  
OR  
OR  
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FLYWHEEL MODE  
OPERATOR DISPLAY OVERVIEW  
FLY 00000.000 cpm  
Parts  
Off  
Blade  
OR  
OR  
SELECT BLADE AREA  
Speed Exit Count  
SELECT PARTS AREA  
Total Exit Batch  
SPEED 0000.0 rpm  
Exit  
TOTAL 0,000,000 pcs.  
Off Exit Reset  
RUN 1 BLADES  
Exit  
BATCH 000,000 pcs.  
Change Off Reset  
OR  
OR  
OR  
SELECT BATCH AREA  
Preset Exit Alarm  
PRESET 000,000 pcs.  
Exit  
ALARM 000,000 pcs.  
Exit  
OR  
OR  
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TIMER MODE  
OPERATOR DISPLAY OVERVIEW  
TMR 00000.000 sec  
Parts  
Off  
Time  
SELECT PARTS AREA  
Total Exit Batch  
TIME 00000.000 sec  
Exit  
OR  
OR  
TOTAL 0,000,000 pcs.  
BATCH 000,000 pcs.  
Change Off Reset  
OR  
Off  
Exit  
Reset  
SELECT BATCH AREA  
Preset Exit Alarm  
OR  
PRESET 000,000 pcs.  
Exit  
ALARM 000,000 pcs.  
Exit  
OR  
OR  
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FOLLOWER MODE  
OPERATOR DISPLAY OVERVIEW  
FOL 00000.000 cpm  
Parts  
Off  
Length  
SELECT PARTS AREA  
Total Exit Batch  
OR  
LENGTH 00000.000 in.  
Exit  
OR  
TOTAL 0,000,000 pcs.  
BATCH 000,000 pcs.  
Change Off Reset  
OR  
Off  
Exit  
Reset  
SELECT BATCH AREA  
Preset Exit Alarm  
OR  
PRESET 000,000 pcs.  
Exit  
ALARM 000,000 pcs.  
Exit  
OR  
OR  
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AUTO DEMAND MODE  
OPERATOR DISPLAY OVERVIEW  
ATO 00000.000 in.  
Parts  
Off  
Length  
SELECT PARTS AREA  
Total Exit Batch  
OR  
LENGTH 00000.000 in.  
Exit  
OR  
TOTAL 0,000,000 pcs.  
BATCH 000,000 pcs.  
Change Off Reset  
OR  
Off  
Exit  
Reset  
SELECT BATCH AREA  
Preset Exit Alarm  
OR  
PRESET 000,000 pcs.  
Exit  
ALARM 000,000 pcs.  
Exit  
OR  
OR  
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MULTIBLE PRESETS  
ENCODER MODE (EXAMPLE)  
OPERATOR DISPLAY OVERVIEW  
1 ENC 00000.000 in.  
Parts  
Off  
Length  
SELECT PARTS AREA  
Total Exit Batch  
SELECT LENGTH PRESET  
Length3 Length4 Prev  
SELECT LENGTH PRESET  
Length1 Length2 Next  
OR  
OR  
TOTAL 0,000,000 pcs.  
BATCH#1 000,000 pcs.  
Change Off Reset  
LENGTH#1 00000.000 in.  
Exit #Prst  
OR  
Off  
Exit  
Reset  
OR  
SELECT BATCH AREA  
Preset Exit Alarm  
RUN 4 PRESETS  
Exit  
OR  
OR  
SELECT BATCH PRESET  
Batch1 Batch2 Next  
SELECT BATCH PRESET  
Batch3 Batch4 Prev  
SELECT ALARM PRESET  
SELECT ALARM PRESET  
Alarm1 Alarm2 Next  
Alarm3  
Alarm4  
Prev  
PRESET#1 000,020 pcs.  
Exit  
ALARM#1 000,015 pcs.  
Exit  
OR  
OR  
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FUNCTION AREA 1  
OPERATOR DISPLAY OVERVIEW  
(accessed by pressing the menu button)  
FUNCTION AREA 2  
OPERATOR DISPLAY OVERVIEW  
SELECT FUNCTION  
>
< SELECT FUNCTION  
Blade Test Mode  
Min  
Parts  
CPM  
MEASURMENT  
DEPENDENT ON MODE  
OR  
DEPENDENT ON MODE  
SEE MODE OVERVIEWS  
SEE MODE  
OVERVIEWS  
CURRENT MIN LENGTH  
IS 0000.000 in.  
The Current Settings  
Produce 0000.000 cpm  
SELECT CUT MODE >  
Encdr Sense FlyWhl  
<
SELECT CUT MODE  
Timer  
Follwr  
Auto  
OR  
WHICH TEST OR BOTH  
DEPENDENT ON MODE  
DevCP 000.000 mS  
Off Exit Reset  
>
< DevCC 000.000 mS  
Off Exit Reset  
OR  
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MAINTAINENCE AREA  
DISPLAY OVERVIEW  
(Accessed by pressing the menu button from Menu  
Area #1 and entering the correct password)  
SELECT MAINT. AREA  
Encdr  
Home  
P/M  
Select Encoder Area  
Drctn U/M Scale  
OFFSET +15.0 Deg  
Exit  
SELECT P/M AREA  
Inputs Time Cycles  
OR  
OR  
I1=Off I2=Off I3=Off  
I4=On I5=On I6=Off  
COUNT DIRECTION IS  
SELECT SCALE VALUE  
Dist. Exit Counts  
MACH. CYCLES 00000000  
Exit  
INCORRECT  
Change  
OR  
OR  
POWER ON 00000.0 Hrs.  
Exit  
SEL.UNIT OF MEASURE  
In. Exit mm.  
ENTER DISTANCE PER  
COUNTS 12.000 in.  
12.000 in. EQUALS  
12000 COUNTS  
OR  
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