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  1. #1
    This is the machining diagram used, I asked Chai to extend the length of 'F' to 30mm so a pulley would fit better and he did that no problem.

    http://www.mycncuk.com/forums/attach...-machining.png

    Having said that I was able to easily file a flat on the turned down part for the pulley grub screw to tighten onto but I believe ball screws have a hardened outer shell that has to be broken through first.
    Last edited by EddyCurrent; 13-04-2014 at 10:40 AM.
    Spelling mistakes are not intentional, I only seem to see them some time after I've posted

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