Quote:
Originally Posted by El Dorado Jim
what a great job on your truck, you are an artist with metal, just look for another old junk truck and use the title from it....i cant believe that you cany get a title for it.....also, i have been a welder for 40 years, a certifified pipe welder for our gas company for about ten of those , i have alot of experience, but not with sheetmetal, i have used my mig to weld up holes on my truck and want to weld up old mirror holes,etc...but i get soo much warpage, i cant grind it smooth, what is the trick?
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Jim-
The obvious stuff first: (I'm guessing you already know this part)
1) Turn welder down as low as possible
2) Use a thinner wire in welder
Maybe not so obvious part:
3) Use multiple short bursts to close up the hole letting it cool between each one. Same thing with the grinding afterwards. Don't try to grind down the weld in one shot. Hit it for a bit, then let it cool. It's very tedious, but can be done.