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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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let tau = 2pi
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