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RE: Removing Hardening

To: "Ronald Olds" <>, <>
Subject: RE: Removing Hardening
From: "Randall" <>
Date: Sun, 27 Aug 2006 17:10:07 -0700
> I have a TD crankshaft which is cracked.  I would like to make it into a
> table lamp.  I want to drill out the oil journals larger so I can feed a
> wire through them.  The material is very hard.  Is there a way to soften
> the material to make it easier to drill?

Sure.  Just pop the crank into your annealing oven, set for 1500F, for a few
hours.  Then let it cool slowly.  Of course, you'll want to do this in an inert
atmosphere ... air will corrode the steel and spoil that "high tech" look ...


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