How To Weld Aluminum With Mig Spool Gun. Take about 8 inches of aluminum wire and clip it. 100 argon gas is usually the gas of choice but mixtures like 5050 argonhelium can be helpful for welding thick sectionsMake sure the polarity is connected properly.
100 argon gas is usually the gas of choice but mixtures like 5050 argonhelium can be helpful for welding thick sectionsMake sure the polarity is connected properly. Mig welding aluminum requires reverse polarity. TIG welding is often used on aluminum but not everyone knows that even affordable MIG welders like the Millermatic 211 can weld aluminum.
I use that term because to weld Aluminum successfully a spool gun is used.
If it starts slowing down you may end up with a fused tip. The first place to start with your adjustments for MIG welding aluminum with. Can you MIG weld aluminum without a spool gun. Aluminum MIG welding requires the use of the forehand or push direction.