I had a quarter panel replacement job that went south fast. The metal warped bad after I finished the welds. I think I had the heat too high, but the customer was breathing down my neck for speed. Now the panel looks wavy, and I have to redo the whole thing. It's eating into my profit and time. Any tips on keeping sheet metal flat during welding? Especially under time pressure?
My last quarter panel looked like a funhouse mirror after I got done with it. Rushing for a client always turns my welder into a distortion machine. Try using more tack welds and letting things cool between passes, even with someone watching the clock.
Actually, too many tack welds can just make things worse, lol. If you're on a tight deadline, sometimes you gotta run a continuous bead and deal with any warping afterward. On thin metal, all that stopping and starting adds more heat and can twist the panel even more. A solid clamp job lets you weld fast without all the cooling breaks.
Jeez, I've been there. Last time I tried to patch a fender, it ended up looking like a potato chip. What saved me was skipping the tacks and just welding in short bursts, then hitting it with a wet rag. Less heat build-up that way, and the rag cools it fast without warping everything. Still looked a bit wavy, but at least it wasn't a total funhouse mirror. Client never noticed, so I guess it worked.