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  1. 16-12-2012 #10
    JAZZCNC's Avatar
    Lives in wakefield, United Kingdom.
    JAZZCNC
    Last Activity: 19-01-2024 Forum Superstar, has done so much to help others, they deserve a medal. Has been a member for 9-10 years. Has a total post count of 8,446. Received thanks 1,445 times, giving thanks to others 109 times.
    Quote Originally Posted by fvfdrums View Post
    1 x nema 34 7.7nm running 2 x axis ball screws via a timing belt (as suggested by JAZZ) running 20/05 screw on a 2:1 ratio
    1 x nema 23 3.1nm running y axis on 16/10 screw
    1 x nema 23 3.1nm running y axis on 16/05 screw for better resolution
    Hold on think we may be at cross purpose's here or I've miss under stood you.? I wouldn't have recommended those screws and motors at this size.? Longer yes but not at 1200mm.

    16/10 and 3.1Nm 23's will be much better.

    Edit: The only exception is if you want to link the screws with timing belt.? Then you'll need the bigger motors but 16/10 could still be used.?
    Also don't use 80VPSU with 80V drive. You need a safety net for back EMF so use 75V psu with 80V drives.
    Last edited by JAZZCNC; 16-12-2012 at 11:32 AM.
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