Abicor Binzel MT 452 W Instrucciones De Servicio página 41

MT/AUT/AUT RAB
Problem Cause
Torch becomes to • Contact tip / Tip adapter loose
hot
• Power connections loose on the torch
• Coolant flow to low
Wire burned solid • Wrong parameters set
in the contact tip
• Worn-out contact tip
• Adjust wire burn-back function
Irregular wire feed • Guide spiral liner/PA liner clogged
• Contact tip and wire diameter not
• Wrong contact pressure set on the
Arc between gas • Spatter bridge between contact tip
nozzle and
work-piece
Unsettled arc • Contact tip not matched to the wire
• Wrong welding parameters set
• Wire guide unit worn-out
Pore formation • Strong spattering in the gas nozzle
• Insufficient or missing gas cover
• Air draughts blow shielding gas away • Shield welding area with partitions
Tab. 11 Troubleshooting
side and toward the work-piece
tuned to one another
wire feed unit
and gas nozzle
diameter or contact tip diameter
enlarged
10 Troubleshooting
Solution
• Check and tighten
• Check and tighten
• Check cooling system, increase
coolant flow
• Check or correct setting
• Replace
• Correct
• Clean both directions with
compressed or replace it, if
necessary
• Replace contact tip
• Correct as specified by
manufacturer
• Clean and spray gas nozzle interior
• Check the contact tip and replace it
if necessary.
• Correct welding parameters
• Replace wire guide unit
• Clean gas nozzle
• Check gas cylinder contents and
pressure setting
EN - 19