Tig welding aluminum setup help

[Bluedog]

Here's a finshed product photo

Thanx again...

[Bluedog]

Thanx For The Feedback Workn good today.

Thank you for all the advice.


Extra cleaning of has helped greatly.
Cer. tungsten also has helped.
However, gassing of the jig material. Great reply post.
Part of the jig has some spacers made of MDS....

[Bluedog]

Some example photos of issue weld

These photos are the test piece.

Photo shows same piece with same prep work. Same amount of contam. if any. The soot weld is the opposite side of the same channel. Also, On syncrwave machines, miller recommends thoriated. False info?...

[Bluedog]

My beads aren't flowing today. Some constructive advice needed.

The project is using 1/4"x 2/1/2" 6061 and 1/16" th. 1 1/2" channel, which is being fillet welded. Filler is 4043, and both flat and many verticle welds are required.

Welded a test piece...