EWM drive 4X HP Operating Instructions Manual page 50

Design and function
MIG/MAG welding
Non-latched operation with superpulse
Step 1
•
Press and hold torch trigger.
•
Shielding gas is expelled (gas pre-flows).
• Wire feed motor runs at "creep speed".
•
Arc ignites after the wire electrode makes contact with the workpiece; welding current flows.
•
Start the super pulse function beginning with main program P
The welding parameters change at the specified times between main program P
main program P
Step 2
•
Release torch trigger.
•
Super pulse function is ended.
•
WF motor stops.
•
Arc is extinguished after the preselected wire burn-back time expires.
•
Gas post-flow time elapses.
50
.
B
Figure 5-23
:
A
and the reduced
A
099-005392-EW501
01.02.2016