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  1. 07-09-2018 #1
    marbles's Avatar
    Lives in glasgow, United Kingdom.
    marbles
    Last Activity: 15-08-2024 Has been a member for 9-10 years. Has a total post count of 174. Received thanks 8 times, giving thanks to others 92 times. Referred 1 members to the community.
    Rack & pinion geared drive units on the X, Y & A.
    MOD1 rack and pinion, 12t pinion. HTD belt 15t and 60t 4:1 ratio
    Two press fit flange bearings sandwich the 60t pulley on the inside and two UCF bearings on either side for extra support. M10 shaft

    I used my No1 machine to laboriously mill out the pockets for the steppers in the alu plate. 0.5mm each pass but got there in the end!

    I had to totally guess the type of spring tensioner and opted for a medium duty die spring. No idea what sort of tension its supposed to be at though, any ideas?

    Click image for larger version.  Name: gears.jpg  Views: 671  Size: 252.2 KB  ID: 24789
    Last edited by marbles; 08-09-2018 at 12:31 AM.
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