Design and function
MIG/MAG functional sequences / operating modes
40
099-005084-EW501
22.09.2011
5.10.4
Spot welding
t
t1
I
t
t
Figure 5-15
Start
• Press and hold torch trigger.
• Shielding gas is expelled (gas pre-flows).
• Arc ignites after the wire electrode makes contact with the workpiece.
• Welding current flows.
• The wire feed is stopped after the set stop time elapses, the arc is extinguished.
End early
• Release torch trigger.
