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advantage of second motor on y axis ?

Discussion in 'General Talk' started by Dom82, Aug 18, 2016.

  1. Dom82

    Dom82 New
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    Hi ... I'm trying to design my first CNC router with ballscrew on Y axis ... roughly 50 x 50cm cutting area.

    1. Everybody seems to use 2 stepper motors on Y axis on OX type machines ... but that means 2 expensive ballscrews. Can't I use a single high torque Nema 23 (345oz) mounted in the middle of the machine or even Nema 34 instead ?

    2. Can I mix Nema 23 and 34 on one machine.

    Thanks
     
  2. Rick 2.0

    Rick 2.0 OpenBuilds Team
    Staff Member Moderator Resident Builder Builder

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    1. One motor is fine just be aware that keeping the gantry square can be an issue. This can readily be overcome but it does take a bit of effort. With Nema 34s be sure your driver is sized to handle the higher power requirements.

    2. Yes.
     
    Dom82 likes this.
  3. Dom82

    Dom82 New
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    Thank you Rick 2.0
     

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