136
Poor weld properties
Cause: Incorrect welding parameters
Remedy: Check the settings
Cause: Poor ground earth connection
Remedy: Ensure good contact to workpiece
Cause: Inadequate or no protective gas shield
Remedy: Check the pressure regulator, gas hose, gas solenoid valve, torch gas con-
nection, etc.
Cause: Welding torch is leaking
Remedy: Change the welding torch
Cause: Wrong contact tip, or contact tip is worn out
Remedy: Replace the contact tip
Cause: Wrong wire alloy or wrong wire diameter
Remedy: Check the wire electrode that has been inserted
Cause: Wrong wire alloy or wrong wire diameter
Remedy: Check weldability of the base material
Cause: The shielding gas is not suitable for this wire alloy
Remedy: Use the correct shielding gas
Irregular wire feed speed
Cause: Braking force has been set too high
Remedy: Loosen the brake
Cause: Hole in the contact tip is too narrow
Remedy: Use a suitable contact tip
Cause: Faulty inner liner in welding torch
Remedy: Check the inner liner for kinks, dirt, etc. and replace if necessary
Cause: The feed rollers are not suitable for the wire electrode being used
Remedy: Use suitable feed rollers
Cause: Feed rollers have the wrong contact pressure
Remedy: Optimise the contact pressure
Wirefeed problems
when using long hosepacks
Cause: Incorrect arrangement of hosepack
Remedy: Arrange the hosepack in as straight a line as possible, avoid tight bends
To Next Page
Loading...
