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  1. 07-02-2016 #11
    JoeHarris's Avatar
    Lives in Birmingham, United Kingdom.
    JoeHarris
    Last Activity: 09-02-2023 Has been a member for 9-10 years. Has a total post count of 547. Received thanks 65 times, giving thanks to others 128 times. Referred 1 members to the community.
    Quote Originally Posted by njhussey View Post
    Joe, I'd put a plate over the square steel section your rails are moumted on, move the top pulley to the right and move the other pulley next to it. That way you'll have more teeth in contact with the ball screw pulley.
    Yeah that's quite a nice idea. I think I might be too tight for space to get a good depth to tap for the idlers. I could certainly pull the lower left one up though which will improve things. This was a quick and dirty to test. I still need to draw a nema 34 as this is still based on the smaller nema 23 frame. Going from 56 to 86mm will change the setting out quite a bit...

    Also any ideas why the SY85STH118-6004B Nema 34 Stepper motor from Zapp costs £94 and the cnc4you 86HS115-4208 8.7Nm Nema 34 Stepper Motor costs £71? Same size and torque and Inductance is the same...
    Last edited by JoeHarris; 07-02-2016 at 08:32 PM.
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