Operating instructions

4 Description of control M200 / M210 (optional)
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4.9.4 MIG spot-welding function sequence
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Fig. 4/7; MIG spots
Spot-welding starts
Torch trigger is operated and held
• 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.
• Changeover to pre-selected WF speed.
• Wire-feed motor stops after the selected spotting time expires.
• Arc is extinguished after the set wire burn-back time elapses.
• Gas post-flow time elapses.
End spot-welding
• Spot-welding ends when the pre-selected spotting time expires.
• Early ending of spot-welding with the release of the torch trigger.
Release torch trigger: spot-welding can be resumed.