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  1. #27
    I have two M4 hex grub screws 90 degrees apart on the pulley boss, one screw has a flat end that tightens onto a flat that was filed on the ball screw, the other has a point that digs into the shaft. One I've had the machine running a while and all is fine, some loctite will be put on the screw threads. Good quality screws and an allen key that is not worn means the hex socket does not round over.
    Last edited by EddyCurrent; 20-04-2014 at 05:10 PM.
    Spelling mistakes are not intentional, I only seem to see them some time after I've posted

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