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Working on aluminium

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Che

az supporter

Joined: Thu Mar 11, 2010 10:30 pm
Posts: 2401
Location: Perth
Vehicle: LPG 1.6 Sierra

Posted: Fri Oct 12, 2012 12:40 pm

I'm making an adaptor plate so I can fit a 45mm throttle body to my manifold. I've used a jigsaw with an aluminium blade to get the general shape right, and I also bought a carbide burr bit which was apparently rated for aluminium use.

The burr bit is now clogged... I should have known it was going to happen, but I took the chance. Anyway - does anyone have a method of cleaning out ali from clogged bits?

atari4x4

az supporter

Joined: Mon Dec 11, 2006 10:30 pm
Posts: 34842
Location: East Radelayed
Vehicle: SV420+SV620 Vitara's

Posted: Fri Oct 12, 2012 12:43 pm

wire wheel?

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pezz

az supporter

Joined: Fri May 15, 2009 11:30 pm
Posts: 2108
Location: western vic
Vehicle: sj51

Posted: Fri Oct 12, 2012 12:45 pm

And use soap on the burr when using it

TZAR

az supporter

Joined: Tue Aug 01, 2006 11:30 pm
Posts: 3461
Location: licking some windows
Vehicle: LJ20 LJ50

Posted: Fri Oct 12, 2012 12:45 pm

Scriber, wire brush then spray the thing with trefolox. will still clog up but not so quick.

Look here for the differnece pics of alloy vs steel. If you go to long it will just form a big alloy blob over the whole burr and you will be cursing all day.

http://www.sheffieldblades.com.au/burrs ... urring.pdf

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Che

az supporter

Joined: Thu Mar 11, 2010 10:30 pm
Posts: 2401
Location: Perth
Vehicle: LPG 1.6 Sierra

Posted: Fri Oct 12, 2012 2:45 pm

Wire wheel worked a treat. It seems slow and steady is the go - too much heat in the ali and it sticks to the bit like a mofo.

atari4x4

az supporter

Joined: Mon Dec 11, 2006 10:30 pm
Posts: 34842
Location: East Radelayed
Vehicle: SV420+SV620 Vitara's

Posted: Fri Oct 12, 2012 4:13 pm

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