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BlackBox Motion Control System stepper hook-up

Discussion in 'CNC Mills/Routers' started by Larry Clay, May 24, 2019.

  1. Larry Clay

    Builder

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    I am building a cnc router with dual x and dual y stepper motors these steppers are nema 17 with 84 oz.in torque. Can the BlackBox Motion Control System run these if each axis is wired in series?

    Thanks
     
  2. Anthony Bolgar

    Anthony Bolgar Journeyman
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    You need to wire them in parallel, not series. Not sure if the drivers can handle the current draw though.
     
  3. Peter Van Der Walt

    Peter Van Der Walt OpenBuilds Team
    Staff Member Moderator Project Maker Builder Resident Builder

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    Would help if you have the datasheets of the motor?

    But as its nema17s I think you'l be fine, just set current accordingly.

    Parallel vs Serial: find out the inductance and coil voltage of the motors, from that I can advise whats best.
     
  4. Larry Clay

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    Thanks, Peter. My application uses the NEMA 17's wired in series. I am building the MPCNC as shown here: Mostly Printed CNC "MPCNC" BURLY C-23.5mm OD by Allted

    Here are the specs:

    Holding Torque(Ncm) 59
    Holding Torque(oz.in)84
    Inductance(mH) 3
    Phase Resistance(ohm)1.4
    Rated Current(A)2
    Step Angle(┬░)1.8
     

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