Thread: Welder question

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......well, I'm not an engineer & I don't have a collage degree but.... I have welded on/off for around 35 years {10 years straight at one time} & there is NO way that I'd trust that welder to weld a frame on MY car. MAYBE in a situation where I could use gussets to take the stress off of the weld & put it on the metal gusset{s}. Or put a metal plate over the weld to support it {fish plate}. Oh, by the way, you shouldn't use vertical welds on a frame {weld it at a 45 degree angle}. But, no way in a critical spot where the actual weld would be under stress..... And the strong part of the weld is the root pass {the first pass}. You can put a hundred passes on top of a bad {or weak because of improper welder/weldor} weld & it won't be strong..... Small wire welders like that just don't have the power to penetrate the parent metal on a frame. An experienced welder could look at the situation and tell you if it'd be a bad idea or not but if you've got to ask the question then DON'T do it.... Just my opinion though..... Oh yeah, notice adds for pre fabed frames from company's that say; "Mig welded with all critical welds done with Tig???". So these company's don't even use Mig & there Mig's are a whole lot more powerful than yours are. Now I'm not saying you need to Tig it but you should use a more powerful Mig or Arc. But, with Arc welding it requires more skill than Mig {Mig is easier to master}...... Bill