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NEMA 23 Stepper Motors

Discussion in 'Electronic and hardware generally' started by Jamie40, Mar 17, 2025 at 07:40.

  1. Jamie40

    Jamie40 New Member

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    Hi everyone,
    I know this question comes up from time to time on the forums, but I wanted to ask it again because I have a couple of NEMA 23 stepper motors and the drivers are down. The main factors in making a machine go faster are cutting power (a mix of steppers and milling machines/spindles) and the rigidity of the machine. It seems that when using 76 oz-inch stepper motors, machine speed is limited to around 10-15 mm/sec with a DOC of about 1-3 mm (very material dependent). If you go outside of this, you may lose steps. For a large machine like the LowRider, it would be advantageous to increase the cutting power if the rigidity allows it. I imagine the Dewalt 611 has enough cutting power to reach faster speeds, so the only question left is stepper size.

    I would put a NEMA 23 on the X axis and a dual NEMA 23 on the Y axis. The dual Z axis would remain a NEMA 17 (seems to have more than enough power there).

    Has anyone started retrofitting NEMA 23 stepper motors on a LowRider? I started doing some preliminary design on the board and working on mounting a NEMA 23. I mainly wanted to see what everyone thinks of this and if anyone has looked into it.
    Jamie40, Mar 17, 2025 at 07:40
    #1
  2. Aerosmith

    Aerosmith Active Member

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    Can you post some photos of your machine? You can do a lot with NEMA23 motors if the software and the drivers perform well. This ugly machine runs at 12m/min with NEMA23 steppers and 10mm pitch ball screws.
    Aerosmith, Mar 17, 2025 at 11:01
    #2