How To Weld Aluminium With A Mig. This ensures proper gas coverage of the weld puddle. A spool gun is a better option than directly placing aluminum wire into the MIG machine because aluminum is too soft for the MIGs feed mechanism.
Aluminum reacts with air and oxidizes rusts when exposed to air under heat. A spool gun is a better option than directly placing aluminum wire into the MIG machine because aluminum is too soft for the MIGs feed mechanism. You can start with the Miller welding calculator to find aluminum MIG welding settings.
For mig welding aluminum a push angle works best.
Prepare your push-pull wire feed Clean your aluminum remove any oxide and file the edges that will be joined Avoid pulling while weldinginstead push at a. For mig welding aluminum a push angle works best. Use a push technique when Aluminum welding with a MIG welder. Aluminum is a tricky metal to weld with a MIG welder because it takes more heat than mild steel Usually in the range of 21 to 24 volts.