Design and function
MMA welding
099-005548-EW501
27.10.2017
41
5.4.2
Welding task selection
• Select MMA JOB 128
> see 11.1 chapter
.
You can only change the JOB number when no welding current is flowing.
3s
Figure 5-27
5.4.3
Arcforce
During the welding process, arcforce prevents the electrode sticking in the weld pool with increases in
current. This makes it easier to weld large-drop melting electrode types at low current strengths with a
short arc in particular.
Figure 5-28
Display
Setting/selection
Arcforce correction
• Increase value > harder arc
• Decrease value > softer arc
5.4.4
Hotstart
The hot start function improves the arc striking.
After striking the stick electrode, the arc ignites at the increased hot start current and decreases to the set
main current once the hot start time has elapsed.
A = Hot start current
B = Hot start time
C = Main current
I =
Current
t =
Time
Figure 5-29
