How To Weld Aluminium With A Tig. TIG vs MIG Aluminum Welding. This feature of how to Tig weld aluminum needs to press the heat to prepare a welding puddle.
You can use MIG wire as a filler and then start at 20 amps. Aluminum oxide forms on the surface of all aluminum alloys. Once the part is wiped off and the acetone or PRE evaporates youre ready to weld.
When you get a puddle formed bump your amps to 25 and begin running beads around switching the can between welds.
Like stick welder and MIG welder TIG welder requires you to clean before welding since over time aluminum will contact with oxygen and form a layer of oxide. Working while using the right technique and following the process is a sure way of getting positive results when welding aluminum. See more tig welding aluminum videos or go to the main tig welding page. When scratch starting an arc the rod should be lifted from the metal as soon as it begins sparking.