Issued April 2009 • Index No. SW/3.1
Water-Cooled Resistance
Spot Welders
SSW Series Spot Welders
Applications
Process
Resistance Spot Welding
Rated Output 20 kVA at 40% duty cycle
Sheet Metal Work
Light Fabrication
Maintenance Work
depending on model, based
on 10-second time period
Quick
Work Capacity 20 kVA units
weld total thicknesses up to 1/4 in
(6.3 mm). Not recommended for
aluminum or copper alloys.
Weight SSW 170–185 lb (77–84 kg) Depending on model
Specs
SSW foot switch permits user to use both hands
to position weldment between tongs. Can be held
longer if longer hold time is desired.
®
The Power of Blue.
SSW models are designed for stationary
use and come with an all-steel pedestal
which houses timers and controls.
All spot welders operate on single-phase input
power, and require an air supply of 60 PSI
(414 kPa) minimum.
SSW models come complete with:
Stationary welding head
Remote foot switch
Pedestal inclusive of controls
and timer
Adjustable tong pressure nuts to adjust tong
pressure for different thicknesses and applications.
Air filter/regulator assembly
Order tongs/tips separately to
match your applications
Power switch/power “on” light/circuit breaker
protects control circuitry. Easy reset.
Air filter/regulator
assembly included.
Set-up/weld switch permits checking of
tong pressure and alignment without
making a weld.
Cam-operated locking device simplifies
installation and adjustment of bottom tong.
Ten-step current control adjusts output current
with no change in duty cycle.
Built-in squeeze/weld timer makes it quick
and easy to set or adjust squeeze and/or
weld time in hundredths of a second.
LED display makes it easy to read and
see timer settings.
Specifications
(Subject to change without notice.)
Input
Work
Rated
Rated Output (Calibrated w/ standard-type tongs) Max. Open-
6 in (152 mm) 12 in (305 mm) 18 in (457 mm) Circuit Voltage H x W x D
Dimensions Net
Weight
Model
50/60 Hz Capacity* Output**
SSW-2020 ATT 230 VAC 1/4 in
20 kVA at 12,500 A
Cycle
10,500 A
9000 A
3.55
49 x 11 x
21-3/4 in
(1245 x 280
x 552 mm)
185 lb
(84 kg)
Stationary
90 Amps (6.3 mm) 40% Duty
SSW-2040 ATT 460 VAC
Stationary
45 Amps
*Combined thickness uncoated mild steel using 6 in (152 mm) tongs.
**Duty Cycle based on 10-second time period. (40% duty cycle means unit can weld for 4 second out of each 10-second time period.)
Miller Electric Mfg. Co.
Equipment Sales US and Canada Web Site
An Illinois Tool Works Company Phone: 866-931-9730
1635 West Spencer Street
Appleton, WI 54914 USA
FAX: 800-637-2315
International Phone: 920-735-4554
International FAX: 920-735-4125
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Tongs and Tips (Must be ordered separately from spot welders. One pair of tips are supplied with each set of tongs.)
Notes for tongs and tips:
TONG LENGTH
Tongs and tips shown to the
left can be used with all PSW
and SSW model spot welders.
Recommended max. tong
length is 18 in (457 mm).
TONGS
TIPS INCLUDED
6 in
12 in
18 in
(150 mm) (304 mm) (457 mm)
STANDARD 90°
No. 1 Morse Taper #040 218 #040 219 #040 220
#040 223
#040 308
4-1/4 in
6-1/4 in
(159 mm)
(108 mm)
No. 2 Morse Taper
—
—
#041 001
Tong throat-height dimension
for standard 90° and 45° tongs
is 4-1/4 in (108 mm). Throat
length is measured from the
center of the spot tips to the
front water hose connection.
X = tong length.
STANDARD 45°
No. 1 Morse Taper
—
—
#041 004 #041 005
#040 851
#040 225
4-1/4 in
(108 mm)
6-1/4 in
(159 mm)
No. 2 Morse Taper
—
#040 296
X
One set of tips is supplied with
each set of tongs.
TT-6W
No. 2 Morse Taper
—
—
—
#041 838
#040 308
#040 308
7-1/2 in
(190 mm)
Tips are made of RWMA Class
2 alloy.
Maximum welding capabilities
are obtained with minimum
tong length.
X
TT-9W
No. 2 Morse Taper
9 in
—
#041 840
(229 mm)
MT= Morse Taper.
No. 1 Morse Taper has smaller
diameter than No. 2 Morse
Taper.
TIPS
QUANTITY
WHERE USED
No. 1 MT (Pointed)
2 tips
Standard No. 1 Tongs, 90°
Standard No. 1 Tongs, 90°
#040 223
No. 1 MT (Offset)
2 tips
2 tips
#040 224
Standard No. 2 Tongs, 90°
TT-6W Tongs
No. 2 MT (Pointed)
#040 308
TT-9W Tongs
No. 1 MT (Offset)
2 tips
2 tips
Standard No. 1 Tongs, 45°
Standard No. 1 Tongs, 90°
#040 851
No. 1 MT (Offset)
#040 226
No. 1 MT (Offset)
2 tips
2 tips
Standard No. 1 Tongs, 90°
Standard No. 2 Tongs, 45°
#040 298
No. 2 MT (Offset)
#040 225
No. 1 MT (Flat Swivel Tip)
Matching Pointed Tip
2 tips
Standard No. 1 Tongs, 90°
#040 216
Adapter (adapts No. 1 Morse Taper Tip
to No. 2 receptacle)
Standard No. 2 Tongs, 90°
TT-6W Tongs (top)
2 adapters
TT-9W Tongs (top)
#040 227
3
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Typical Installations
Stationary Resistance Spot
Welding Basic Equipment
Coolant line
SSW
TM
Coolmate V3
Slip-on hoses
tighten with
hose clamps
circulator
Normally 5/8-18 left-hand
threaded receptacles
Order tongs and tips separately.
Pedestal
Also required:
Coolant line
Air hose 60–100 PSI
Input power cord of proper size per
NEC and local codes.
Coolant source and two coolant
hoses (5/16 ID). Hoses must be
compatible with coolant.
Note: Oxy-acetylene hoses are not
compatible with ethylene glycol.
Air in
Input power line
Air hoses.
Air filter/regulator
assembly
Foot switch
Ordering Information
Equipment and Options
Stock No.
#903 826
#903 827
Description
Qty.
Price
SSW-2020 ATT
Stationary, air-operated, 230 VAC, 50/60 Hz
Stationary, air-operated, 460 VAC, 50/60 Hz
SSW-2040 ATT
Tongs
Order separately
Ordered by the pair. One pair of tips included with each pair of tongs.
See page 3 for tong/tip combinations
Tips
Order spares or additional types
One pair of tips included with each pair of tongs.
See page 3 for tips that can be ordered in pairs or individually
Accessories
Tip Dresser
#040 228
Coolant Systems
Coolmate™
3
#043 007
#043 008
115 VAC 5/8-18 left-hand inlet/outlet receptacles
230 VAC 5/8-18 left-hand inlet/outlet receptacles
Coolmate™ V3
Coolmate™
#043 009
#042 288
115 VAC 5/8-18 left-hand inlet/outlet receptacles
115 VAC 5/8-18 left-hand inlet/outlet receptacles
4
Coolant Solution
Low Conductivity
Aluminum Protecting
#043 810
#043 809
1 gallon, must be ordered in multiples of 4
1 gallon, must be ordered in multiples of 4
Miscellaneous
Coolant Hoses
One coolant “out” and one coolant “in” hose required. One end 5/8-18
left-hand male fitting and the other end “slip-on” secured with hose clamp.
5/16 ID hoses must be compatible with coolant.
Air Hoses
Air supply to air filter to back of controller.
Air Filter has 1/4 in pipe thread female fittings.
Controller has 5/8-18 left-hand thread female fittings.
Input Power Cord
To be supplied by local source to meet local electrical codes and guidelines.
Date:
Total Quoted Price:
Distributed by:
Litho in USA
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