Fimer SYMPLEX 320 - Function 4 T

MIG-MAG WELDING
22
5
5.6 FUNCTION 4T
STEP 1
• Press and hold on torch trigger.
• Shielding gas is out of the torch (gas pre-ow).
• Wire feeder motor runs at “soft start speed”.
• Arc ignites after the wire electrode makes contact with the workpiece, the welding current ows.
• Change over to pre-selected/main wire speed.
STEP 2
• Release torch trigger (without effects).
STEP 3
• Press torch trigger (without effects)
STEP 4
• Release torch trigger.
• Wire feeder motor stops.
• Arc is extinguished when adjusted wire burn-back time expires.
• Gas post-ow time passes.
t
1
= PRE GAS
t
2
= POST GAS
I
1
= WELDING CURRENT