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MiniMill Z Axis Upgrade with Offset Motor

Discussion in 'CNC Mills/Routers' started by Peter Van Der Walt, Jun 21, 2017.

MiniMill Z Axis Upgrade with Offset Motor

MiniMill Z Axis Upgrade with Offset Motor

Discussion in 'CNC Mills/Routers' started by Peter Van Der Walt, Jun 21, 2017.

Upgrade your Minimill with an off-set Z Axis Motor

minimill z axis upgrade
  1. Peter Van Der Walt

    Peter Van Der Walt OpenBuilds Team
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    Peter Van Der Walt published a new build:

    Read more about this build...
     
    #1 Peter Van Der Walt, Jun 21, 2017
  2. GrayUK

    GrayUK Openbuilds Team Elder
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    Excellent video. Makes things so much clearer.
    Many Thanks :thumbsup:
    Gray
     
    #2 GrayUK, Jun 21, 2017
  3. stephen cia

    stephen cia Well-Known
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    Is there a plan for nema 17 similar plate?
     
    #3 stephen cia, Jul 2, 2017
  4. Julius

    Julius Well-Known
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    mill your own with the mini mill ;)
     
    #4 Julius, Jul 9, 2017
    RSW and Peter Van Der Walt like this.
  5. Dam

    Dam New
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    Hi. Pls ask why its better instead original mounting without belts
    Thanks
     
    #5 Dam, Aug 13, 2017
  6. Peter Van Der Walt

    Peter Van Der Walt OpenBuilds Team
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    Dam, read the Build Description on the first tab. It is detailed there
     
    #6 Peter Van Der Walt, Aug 14, 2017
  7. Gary Weliver

    Gary Weliver New
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    So by being able to change the ratio for more torque which may help with a heavier router then does the software adjust the difference or do you have to have all your steppers at the same ratios?
     
    #7 Gary Weliver, Dec 25, 2017
  8. Peter Van Der Walt

    Peter Van Der Walt OpenBuilds Team
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    Set your firmware steps per mm accordingly. The listed BOM is 1:1 ratio though so no change needed, only if you change ratio
     
    #8 Peter Van Der Walt, Dec 25, 2017
  9. wiremonkey

    wiremonkey New
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    Hey folks, does anyone have the measurement for this size belt center to center for these size pullies?
     
    #9 wiremonkey, Jun 8, 2018
  10. Valter Benvegnu

    Valter Benvegnu New
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    Hi, will this solution works on a LEAD machine ? I do not have enough clearance to mount the stepper motor on the top of the Z axis.
    I was wondering if this plate allows the upside/down stepper motor to slide behind the back of the Z plate.
    Valter
     
    #10 Valter Benvegnu, Mar 16, 2020
  11. Peter Van Der Walt

    Peter Van Der Walt OpenBuilds Team
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    It looks like it should work! Give it a try and confirm back if you got it working, or shout if you have any issues.
     
    #11 Peter Van Der Walt, Mar 16, 2020
  12. Valter Benvegnu

    Valter Benvegnu New
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    Thanks will do.
    Do you know the dimension between the motor and lead screw axis of this plate ? I can make some measurements just to know if in principle it works or a longer plate is needed.
    Cheers
    Valter
     
    #12 Valter Benvegnu, Mar 16, 2020
  13. Peter Van Der Walt

    Peter Van Der Walt OpenBuilds Team
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    #13 Peter Van Der Walt, Mar 17, 2020
  14. Valter Benvegnu

    Valter Benvegnu New
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    OK, I took some measurement and the mini mill plate won't work. To offset install the Z motor on a LEAD (or workbee) a much longer plate is needed with longer belt and a different mount solution for X drag chain.
    Ideally a replacement custom end plate is needed instead of an additional plate on top of the cbeam end plate.
     
    #14 Valter Benvegnu, Mar 17, 2020

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