How To Weld Aluminum Welding Machine. Clamp up the tubing and start heating the aluminum with a propane torch. Choosing a gun and wire feeding system is an important step before MIG welding aluminum.
AC refers to Alternating Current This is in contrast to Direct Current. 3What current do you use to weld aluminum. Use the push technique when welding aluminum.
Both conditions can lead to an unstable arc and weld porosity.
How To Weld Aluminum With A Mig Welder Cleaning your aluminum and electrodes Before starting remember to clean the aluminum by applying a few droplets of solvent like acetone or use a wire brush. To weld aluminum clamp the aluminum pieces together tightly and use a propane torch to preheat them to a temperature between 300F and 400F. Spool guns improve feeding of soft wires by locating a. The latter is a type of torch that uses a combination of oxygen and acetylene.