MIG-MAG WELDING
21
5
5.5 FUNCTION 2T
STEP 1
•
Press and hold on torch trigger.
•
Shielding gas is out of the torch (gas pre-flow).
•
Wire feeder motor runs at “soft start speed”.
•
Arc ignites after the wire electrode makes contact with the workpiece, the welding current flows.
•
Change over to pre-selected/main wire speed.
STEP 2
•
Release torch trigger.
•
Wire feeder motor stops.
•
Arc is extinguished when adjusted wire burn-back time expires.
•
Gas post-flow time passes.
t
1
= PRE GAS
t
2
= POST GAS
Summary of Contents for SYMPLEX 320
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