Spool Gun Duty Cycle And Overheating; Volt-Ampere Curves - Miller Millermatic Pulser M-15 Gun Owner's Manual

3-5. Spool 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.
Definition
0
10
Minutes
Duty Cycle is percentage of 10
minutes that gun can weld at
rated load without overheating.

3-6. Volt-Ampere Curves

.023 To .035 in (0.6 To 0.9 mm) Aluminum Wire
.023 To .035 in (0.6 To 0.9 mm) Hard Or Flux Cored Wires
60% Duty Cycle At 150 Amperes
Using Argon Shielding Gas
6 Minutes Welding
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4 Minutes Resting
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 − SB-192 436
OM-1322 Page 11
warn7.1 8/93
SB1.1 8/93