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Title: TIG on Al


hankj - September 24, 2005 12:42 AM (GMT)
This is a copy of my post on SFT:

Hi, gang.

Those of you who know me from the Hobart (or Hofart, as you prefer) board know that I got a TA185.

For the folks who don't know, I'm soliciting advice and counsel re: aluminum TIG. It's all new to me, and my success to date leaves little to report!

Parameters (after adjustment suggested by the Brothers):
140A
150Hz
.5 sec. pre-flow
10 sec. post-flow
30CFH 100% ar
20% EN balance
Using both 2% lanthanated and 2% thoriated ground to 30

Many ruined coupons.

Any suggestions will be acted upon!

Hank

arcdawg - September 24, 2005 02:29 PM (GMT)
hank,

check out markos post on aluminum heli.....ah hell tig welding

dawg


X-ray - October 12, 2005 01:22 PM (GMT)
Hank, been following your threads on the two other boards, and would like to offer assistance.

If you are going to go up Reno to waste $$ touristing and what not give me a heads up, and bring your machine with you. We can hook it up here, have materials/mix/tungsten etc. just need to bring your machine and let me know what plug it has, so I can make sure I have the matching female receptacle.

Not the best, but I think I can muddle through those controls with most anybody, and we can get you going down the right direction.

I am about 20-40 mins outside of Reno, depending on route selected.

Ray

hankj - October 12, 2005 03:33 PM (GMT)
Ray,

That's a kind and generous offer! It's difficult for me to get away from here for long due to the wife's condition, but if I can arrange for a comapnion, I may take you up on that offer. I have a phnoe-coaching arrangement with Sundown for today at 11AM my time. I'm damn close now. Biggest problem is keeping the tungsten out of the weld pool!

Thanks again.

Hank




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