You must have seen videos of a cold welding process coming out of China. It’s also called crazy welding. I cannot find a source for the machines but I think it would work well for welding thin panels. Any comments
Real Jeeps have dents
I work in an aerospace welding shop, and thin panel sheet metal welding with a TIG machine is simply the correct settings, and the right technique. Automotive body panel welding can be done with a brand name mid-grade wire feed, use the correct settings, just develop a good technique, and take your time. Numerous small welds with some cooling time will do the job without excessive distortion. You should look at GoJeeps website about his Willys hot rod, ( http://willyshotrod.com ) he goes into great detail about metal forming, metal shrinking, and finishing weld distortion with a hammer and dolly.
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It's not something new coming out of China, it's tack welding using a TIG, and the welding machine in question uses software to restrict the duration of the weld to attain a consistent result. If you looked at the link and video I provided earlier, you'd see this specific setup has been around since at least 2012 and who makes it.
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