| 68nofussbus |
Wed Jul 27, 2011 12:45 pm |
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| welding in a battery tray and a right rear corner in a 68 bus, is it better to spot weld -let it cooll then grind it down or spot weld a little here and there until complete then grind all at once ? Im trying my welding techniques again on this rear corner since i welded a wheel arch in and got it to hot and it sunk in / what a mess , read a lot of forums already so please help a vw brother out ! :bay_white: |
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| Derek Cobb |
Wed Jul 27, 2011 1:37 pm |
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| I normally finish all my welds then grind. Just let it cool between spots and go easy when you grind. That can warp metal too. |
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| eminence_front |
Wed Jul 27, 2011 2:51 pm |
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use a compressed air chuck to blow cool air on the welds after each spot weld. That can cool it 60 - 100 degrees quickly.
If you don't have a compressor, just pick up a couple cans of air-duster at your local frys, staples, wal-mart, etc. |
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| 68nofussbus |
Thu Jul 28, 2011 12:23 pm |
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| im going to use a pneumatic angle grinder to grind down the welds , whats the best grit (course ) of whee/ pad to get ? going to napa tommorow so id like to ask the pros on the samba first , thanks |
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| JerryMCarter1 |
Mon Aug 08, 2011 1:15 pm |
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| cold rag -- 3/4 inch of welding -- no more |
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