RazMan
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| posted on 30/8/06 at 10:28 PM |
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Is TIG ok for cast alloy?
I've got some alloy hinges that have some holes which need to be welded up and redrilled & tapped to M6. Is it ok to tig them?
Cheers,
Raz
When thinking outside the box doesn't work any more, it's time to build a new box
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iank
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| posted on 31/8/06 at 07:58 AM |
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A friend who used to race a 70's Laverda motorbike broke the cast aluminium headstock in a fairly big off. They aren't available from
anywhere so he had it TIGed and carried on racing and passed scruitineering.
So I believe the answer is it's ok to weld castings.
Not sure how a tapped hole in a Al weld will perform though.
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John Bonnett
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| posted on 31/8/06 at 10:22 AM |
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Aluminium casting can be successfully TIG welded and you will have no problems tapping a new thread. I have just TIG welded up a cast flange on a
Delage radiator fan. Part of the flange was missing so needed building up. Always at the back of my mind was that the part was irreplaceable so there
was a certain amount of buttock clenching during the operation! I am lucky enough to have a foot pedal so the process is mega controllable.
John
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