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TimV
07-30-2006 16:56:09
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Re: campbell hausfeld wire welder in reply to bil b va, 07-30-2006 14:14:38
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bill b: Without knowing your level of wire experience, it's hard to judge whether I'm aiming too high or too low here, but one tip would be that welding sheet metal is nothing like "regular" welding. The order of the day is weld, stop, weld, stop, etc. No one but a VERY experienced welder can just lay a bead down on sheet metal, and even the ones that can usually don't due to warpage. A lot of sheet metal welding is done as "stitch" welding--weld an inch, move an inch, weld an inch, move an inch, then come back and fill in the gaps. Also, as NcNe mentioned, a flux-core welder isn't the optimal setup for doing sheet metal. However, if that's all you've got, it certainly can be done, it's just harder. Thinner wire is better, at least in my experience. I use 0.023" on all of my body work with my Hobart 135. Make sure your guides, tips and tension are correct, then try welding on thicker stock until you get it down, then move down in thickness. Also, be careful on what you use for scrap panels. It doesn't take very much rust to thin out the metal to the point where you're constantly blowing through, which can be extremely frustrating. Select good areas, clean them up nice and shiny, then go to it.
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