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cracked rim. repairable....

 
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Old 09-08-2007, 07:59 PM
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cracked rim. repairable....

Okay, I have a set of Nippon Formula one Rims. 17x7.5 and ive prepped them to be powder coated, but i need to weld this crack.

The shop wants 125 dollars just to fix it, the crack is really small, it doesnt even go through the lip. Can i weld this Aluminum rim? if so, what type of welding?



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Old 09-08-2007, 08:06 PM
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With some thing like that I would let the shop do it because if it fails and you get into a wreak or something you can put the blame on them.
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Old 09-09-2007, 06:32 PM
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Welding aluminium is incredibly hard. First off, is the wheel aluminium, or is it an alloy? That makes a lot of difference when welding.

ALso keep in mind that the welding process, which is in essence melting the two sides of the crack back together, will locally hot work the wheel, which might not be a good thing.

If it was my wheel, I'd either replace it (which may be cost prohibitive) or I'd get it professionally welded, and then heat treated before putting it back on. Remember that the wheel is part of the suspension package, and is a high stress area. IS your life, or the life of somebody else in the car worth the risk? That's what I'd be asking myself.
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Old 09-09-2007, 06:41 PM
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like brash said, aluminum is one of the hardest metals to be welded because it's such a soft metal and is a high risk to get warped in the welding process.

i'd replace the wheel myself for safety/reliability isssues.
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Old 11-15-2007, 02:24 PM
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Have you guys welded aluminum? It isnt as hard as everyone makes it out to be, just takes practice. I can MIG and TIG aluminum, I would bevel the crack out with a grinder, fill it with weld, and smooth it back out.
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