Bore Shrinkage After Heat Treat

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Posted by Mel Eacker II on April 03, 2001 at 14:48:31:

I have some gear that we are trying to get away from grinding the bores and/or broaching after heat treat.
The part is 4140 and we are trying to induction harden
around 500 BHN to an AGMA "A" PATTERN. What are my options as far as bore plugs, putting shafts in before Heat Treat, Turning the bore oversize and Material what kind of material quality do I need to do it consistently.

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