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Design and function
MIG/MAG welding
Non-latched operation with superpulse
I
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.
44
1.
P
B
P
A
.
B
Figure 5-15
:
A
2.
t
t
t
and the reduced
A
099-005023-EW501
09.08.2010
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