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Non-latched mode
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.
•
Change over to pre-selected wire speed.
Step 2
•
Release torch trigger.
•
WF motor stops.
•
Arc is extinguished after the preselected wire burn-back time expires.
•
Gas post-flow time elapses.
099-004833-EW501
22.04.2013
Design and function
Figure 5-10
MIG/MAG welding
43
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