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How To Weld Aluminum With A Mig Gun. The process will require more heat than mild steel which is the most common metal used in MIG welding jobs. This ensures proper gas coverage of the weld puddle.
MIG machines usually have a spool of filler wire housed inside the case and the wire is fed through the gun cable to the weld area. Push or Pull Technique. If it starts slowing down you may end up with a fused tip.
Finding The Settings For Aluminum Welding On Your MIG.
Weld aluminum with a spool gun with your MIG welder. To successfully weld aluminum youll need a spool gun. Youll set your welders polarity to DC. Any thinner than that and youll need a TIG welder.