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brant |
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#1
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914 Wizard ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() Group: Members Posts: 11,641 Joined: 30-December 02 From: Colorado Member No.: 47 Region Association: Rocky Mountains ![]() ![]() ![]() |
Hello all and John if your reading along today.
I've been doing some fender slicing and welding... of course lots of pounding also... specifically, I need some technique advice. So I've got a spot that I want to shrink or tighten extra metal in. I know John sells the shrinking disks which I'm considering, ... but in the interm, what is the old fashioned shrinking technique. I know to heat the area with a torch.. but then do I cool it rapidly with water or something... or do I let it cool slowly to get the most shrink out of it? hope this makes since brant |
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John Kelly |
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#2
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Senior Member ![]() ![]() ![]() Group: Members Posts: 692 Joined: 1-May 03 From: Moclips WA. Member No.: 640 ![]() |
Hi Brant,
If you are seeking perfection a shrinking disc might be worth it for one time use, but I wouldn't recommend it. I never use water unless I'm using the shrinking disc. Especially when welding as the area is shrinking enough already and will get more difficult to hammer and dolly. Did you grind the both sides of the weld? This is usually necessary on a mig-welded panel before using a hammer and dolly. Try the back side of a sanding disc (installed backwards on your backup pad )against the surface, then quench. I don't know whether or not this will work. If the metal steams when quenched, you are shrinking. John www.ghiaspecialties.com |
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