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Unread 23-06-2014, 15:54
aklego aklego is offline
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FTC #3595 (Schrödinger's Hat)
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Join Date: Oct 2009
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Re: [FTC]: Alternative to axles? Does hardening work?

In our problem area we used 3/8" d-shaft and bushings from McMaster Carr:

http://www.mcmaster.com/#rotary-shafts/=sjbxtn
http://www.mcmaster.com/#standard-sl...arings/=sjc10h

We drilled and reamed the Tetrix axle hubs and they worked pretty well.

Another trick (that we picked up on this forum) is to use flat point set screws:

http://www.fastenal.com/web/products/details/0171675

These help quite a bit when the axle-hub joint is subjected to reversing loads.
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