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Looks like gas MIG

Posted: Wed Oct 03, 2012 2:16 pm
by ruckman101
It would seem a gas MIG welder would be the wisest purchase for body work like replacing my battery tray and front floor panels. Thinking of investing due to the fact that at some point new floor pans are in the future for Gretchen Ghia.

Is it folly? Should I farm these jobs out to experienced welders since I have no prior experience? POR 15 everything and caulk in some aluminum sheeting?


neal

Re: Looks like gas MIG

Posted: Wed Oct 03, 2012 3:37 pm
by hambone
$$$$$

Re: Looks like gas MIG

Posted: Wed Oct 03, 2012 3:41 pm
by ruckman101
No kidding. Cheapest cheap is still $300 plus. Quality is $700 plus. Farming is starting to sound good.


neal

Re: Looks like gas MIG

Posted: Thu Oct 04, 2012 5:47 pm
by tristessa
Neal, I've got a MIG that can take gas but I don't have a bottle .. so I've been using it with flux-core wire. Not the best setup for sheetmetal work but I've done it. One of these days I'll get a tank of 25/75 mix on there, but today isn't the day and tomorrow doesn't look promising either...

Re: Looks like gas MIG

Posted: Thu Oct 04, 2012 6:04 pm
by ruckman101
Ooooooo. Little bottle is $80 I think. That I can swing. Argon I think is all ya need. 25/75?


neal

Re: Looks like gas MIG

Posted: Thu Oct 04, 2012 6:14 pm
by Randy in Maine
Hobart Handler 140. You will never learn how to this any younger.

http://www.northerntool.com/shop/tools/ ... w={keyword}

Re: Looks like gas MIG

Posted: Thu Oct 04, 2012 7:35 pm
by Hippie
tristessa wrote:Neal, I've got a MIG that can take gas but I don't have a bottle .. so I've been using it with flux-core wire. Not the best setup for sheetmetal work but I've done it. One of these days I'll get a tank of 25/75 mix on there, but today isn't the day and tomorrow doesn't look promising either...
+1

Re: Looks like gas MIG

Posted: Thu Oct 04, 2012 8:27 pm
by ruckman101
I like that one Randy. I was a bit leery of the $200 Harbor Freight version. Perhaps someday.


neal

Re: Looks like gas MIG

Posted: Mon Oct 15, 2012 6:39 pm
by RSorak 71Westy
To weld sheet metal you need to use .023 wire and gas. This is from experience. You also should strongly consider a 240V welder that has infinite controls as opposed to discrete steps. A 120V unit needs a full 15 amp circuit devoted to it. In my old garage a 120V unit would trip the breaker, the 240V Miller 180 I have, runs fine off my romax extension cord. Also look for an easy grind welding wire, otherwise the welds are a bitch to grind flush without warping the panel.