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  1. 22-04-2020 #1
    Sterob's Avatar
    Lives in Australind, Australia.
    Sterob
    Last Activity: 3 Weeks Ago Has been a member for 4-5 years. Has a total post count of 72. Received thanks 4 times, giving thanks to others 5 times.
    I understand the method of aligning a linear rail to a length of extrusion, using a dial indicator on the carriage, but I'm having trouble working how I would do the same when mounting a ball screw to extrusion.
    How do you move a dial indicator along a ball screw to check its parallelness to the rail? The ball nut doesn't have a flat surface to reference to and if you use a ball nut mount, how do you keep it square as you move it along the ball screw?
    I must be completely missing somethng....lol

    How do you guys do it? It must be one of the most difficult jobs to do when building a CNC Router?

    Steve

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    Last edited by Sterob; 22-04-2020 at 01:14 PM.
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