Volt-Ampere Curves; Mig Welding Gun Duty Cycle And Overheating - Miller MILLERMATIC DVI Owner's Manual

4-3. Volt-Ampere Curves

35
30
25
20
15
10
5
0
0

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.
Definition
0
10
Minutes
Duty Cycle is percentage of 10
minutes that gun can weld at
rated load without overheating.
Range 3
Range 2
Range 1
50 100 150
DC AMPERES
.023 To .045 in (0.6 To 1.1 mm)
Hard Or Flux Cored Wires
100% Duty Cycle At 100 Amperes
Using CO
Continuous Welding
Range 6
Range 5
Range 4
200 250
.023 To .045 in (0.6 To 1.1 mm) Hard Or Flux Cored Wires
60% Duty Cycle At 100 Amperes
2
6 Minutes Welding
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
warn7.1 8/93
Using Mixed Gases
4 Minutes Resting
OM-1330 Page 11
SB1.1 8/93