2-3. 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 |
Definition
0
10
Minutes
Duty Cycle is percentage of 10 minutes that gun can weld at rated load without overheating.
.023 To .045 in (0.6 To 1.1 mm)
Hard Or Flux Cored Wires
100% Duty Cycle At 200 Amperes
Using CO2
100% Duty Cycle At 150 Amperes
Using Mixed Gases
Continuous Welding
.023 To .045 in (0.6 To 1.1 mm) Hard Or Flux Cored Wires
60% Duty Cycle At 300 Amperes
Using CO2
60% Duty Cycle At 200 Amperes
Using Mixed Gases
6 Minutes Welding | 4 Minutes Resting |
| SB1.1 8/93 |
2-4. Volt-Ampere Curves
VOLTS
35
30
25
20
15
10
5
0
0 | 100 | 200 | 300 | 400 |
AMPERES
1 Normal Volt-Ampere Curves
The volt-ampere curves show the
1normal minimum and maximum voltage and amperage output capa- bilities of the welding power source. Curves of other settings fall be- tween the curves shown.
ssb1.1 10/91 – 196 844 /