Rant: Quarter panel weld warped on me last job

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?

3 comments

3 Comments

spencer_coleman3d ago

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.

phoenix_thompson3d ago

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.

simon_ramirez943d ago

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.