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Unread 09-02-2015, 17:35
catacon catacon is offline
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FRC #1444 (Lightning Lancers)
Team Role: Mentor
 
Join Date: Jan 2009
Rookie Year: 2006
Location: St. Louis
Posts: 154
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Re: 1444's First Fully TIG-Welded Frame

Quote:
Originally Posted by JamesCH95 View Post
Lookin' pretty good!

Who is doing the welding and what sort of parameters/consumables are they using?
It has been a mixture of students and mentors. Despite being an EE, I've become our main welding mentor; I think I'm the only one crazy enough to do it.

We've been using Hobart MaxalTIG 3/32" and 1/16" 4043 filler, green (pure) tungsten electrodes, and 100% Argon. (All generously donated by a sponsor, Delta Gas and Welding Supplies!) We just got some ChemSharp for sharpening electrodes and I swear that stuff is magic...SO much better than grinding. We use the Miller footpedal and a Weldcraft A-150 flex valve torch.

Our Diversion 165 is pretty light for some of the stuff that we do, so it has been maxed out most of the season. A few of our weldments required multiple passes with preheating. It does great for 1/8 and 1/16 wall tubing, though. We've gotten some X-Ray-quality welds on that material.
 


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