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IndustryArena Forum > Manufacturing Processes > Milling > NEMA stepper motor torque question

Thread: NEMA stepper motor torque question

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  1. 02-26-2020, 05:08 AM #1
    6789den
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    NEMA stepper motor torque question

    For my CNC router / mill project I have decided on NEMA 23 hybrid "closed loop" stepper motors. I'm confused. The first page on Ebay I found 10 different torque / holding torque ratings for the NEMA 23 closed loop motors: 156oz 170oz 262oz 285oz 298oz 312oz 314oz 315oz 370oz 428oz. How, what and why? What's up with that? I know what torque and holding torque is but how can the same size motor have so many different torque ratings?
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  2. 02-26-2020, 05:13 AM #2
    ger21
    ger21 is offline Community Moderator
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    Re: NEMA stepper motor torque question

    Different magnets and windings.
    Gerry

    UCCNC 2017 Screenset
    http://www.thecncwoodworker.com/2017.html

    Mach3 2010 Screenset
    http://www.thecncwoodworker.com/2010.html

    JointCAM - CNC Dovetails & Box Joints
    http://www.g-forcecnc.com/jointcam.html

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  3. 02-26-2020, 12:11 PM #3
    rodw
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    Re: NEMA stepper motor torque question

    Check the length of the motor. as the torque goes up, the motor probably goes longer. NEAM 23 just says what the mounting pattern is, not how long the motor is.
    Rod Webster
    www.vehiclemods.net.au
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