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OM-927 Page 10
3-3. Welding Gun Duty Cycle And Overheating
CAUTION
WELDING LONGER THAN RATED DUTY CYCLE can damage gun and void warranty.
• Do not weld at rated load longer than shown below.
• Using gasless flux cored wire reduces gun duty cycle.
warn7.1 8/93
Duty Cycle is percentage of 10
minutes that gun can weld at
rated load without overheating.
Continuous Welding
SB1.1 8/93
0
10
Minutes
Definition .023 To .045 in (0.6 To 1.1 mm)
Hard Or Flux Cored Wires
100% Duty Cycle At 100 Amperes
Using CO
2
.023 To .045 in (0.6 To 1.1 mm) Hard Or Flux Cored Wires
60% Duty Cycle At 100 Amperes
Using Mixed Gases
6 Minutes Welding 4 Minutes Resting
3-4. Volt-Ampere Curves
Volt-ampere curves show minimum
and maximum voltage and amper-
age output capabilities of unit.
Curves of other settings fall be-
tween curves shown.
va_curve1 4/95 − 199 212
0
5
10
15
20
25
30
35
0 50 100 150 200 250
DC AMPERES
DC VOLTS