OM-1330 Page 11
4-3. Volt-Ampere Curves
The volt-ampere curves show the
minimum and maximum voltage
and amperage output capabilities of
the welding power source. Curves
of other settings fall between the
curves shown.
.
Ranges 4, 5, and 6 apply to 230
VAC only.
ssb1.1 10/91
−
199 212
0
5
10
15
20
25
30
35
0
50
100
150
200
250
DC AMPERES
DC VOL
TS
Range 1
Range 2
Range 3
Range 4 Range 5
Range 6
4-4. MIG 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
