http://www.weldingtipsandtricks.com/gas-tungsten-arc-welding-aluminum.html How to Tig weld aluminum and get that stack of dimes appearance. Step and pause and add filler rod while you pause. Step about 1/8 inch and add rod about once every second...give or take.
This is only one way to skin the cat. There are other tig welding techniques that work just as well...like Some Welders like to pulse either manually with the foot pedal or by using a pulse tig power source. The jury is sill out on which is better.
tig welding, tig welding aluminum, how to tig weld, how to tig weld aluminum, aluminum welding, welding aluminum, tig welding technique, technique for tig welding aluminum