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Non Captive Stepper Tr8*4

Discussion in 'Concepts and Ideas' started by Adam Filipowicz, Mar 2, 2019.

  1. Adam Filipowicz


    Dec 21, 2014
    Likes Received:
    I was thinking of ways to build a 1500mm Machine using Tr8*4 Acme screws and not get whip
    I have seen this type of config on other machinery, thought why not apply it to openbuilds

    Please let me know what you think of the idea

    I already have one Non Captive Nema 23 for Tr8*4

    53315518_10156780720500202_6348626588849930240_n.jpg Non Captive v1B.jpg Non Captive v1.jpg
    sharmstr and Alex Chambers like this.
  2. GrayUK

    GrayUK Openbuilds Team Elder
    Staff Member Moderator Builder

    May 5, 2014
    Likes Received:
    I would probably use a plate either side of the C Beam, to create a sandwich and hang the spindle from the opposing plate. :rolleyes:
    I did give the use of Non-Captive motors on my prototype machine, a lot of thought, but decided the new design was enough to be getting on with. :)
    I'll be keen to watch your build happening if you go ahead with these motors. :thumbsup:
    Alex Chambers likes this.
  3. matt_o_70

    matt_o_70 Journeyman

    Dec 15, 2013
    Likes Received:
    looks like a Great idea - it's just like the spinning ball-nut concept - but simpler! Can you get 1500mm screws with decent torque steppers.
    #3 matt_o_70, Mar 19, 2019
    Last edited: Mar 19, 2019

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