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Swapping Nema 17 for Nema 23 for Z axis

Discussion in 'CNC Mills/Routers' started by Saint Billy, Apr 2, 2017.

  1. Saint Billy

    Saint Billy Journeyman
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    I have a recently built Ox and pretty much stuck to original build list which included using a Nema 17 for the Z axis. After using for a while I have been tempted to replace the Nema 17 for a 23 as I just have that feeling that a 17 is not 100% up to the job and will have a short life.

    Having purchased a Nema 23 which is identical to the others driven by my CNC Xpro V3, I thought it was just a matter of occomodating the bigger spindle size, swapping the motors and making a couple of firmware changes on the Xpro board but I just get a click on the new motor when powered and nothing else.

    Any ideas what else I am meant to do?

    Cheers Guys
     
  2. SugarJ

    SugarJ Journeyman
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    Did you adjust your current on your Z-axis? It sounds like you need to up your amperage to the bigger motor.
     
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  3. Saint Billy

    Saint Billy Journeyman
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    Oh I get it, so the Z axis on the Xpro board is preset for lower amp motors.

    Thats is most probably the issue, thanks for pointing it out to me.
     
  4. SugarJ

    SugarJ Journeyman
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    Saint Billy likes this.
  5. Saint Billy

    Saint Billy Journeyman
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