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Why not Nema 23 steppers?

Discussion in 'Off Topic - All other stuff here' started by nick22, Aug 13, 2024.

  1. nick22

    nick22 New Member

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    My Motion Simulator:
    DC motor, AC motor, Arduino
    I have hat a lot of trouble getting the FarmBot to move with its small Nema17 stepper motors. The encoders are essential for a reliable operation because the motors are loosing steps from time to time and these stalls need to be detected.

    Why does the FarmBot use very small Nema17 steppers? CNC mills usually use Nema23 stepper motors which are not really pricey. The TMC2209 in the Farmduino 1.5 are already sufficient to drive these bigger motors. A nice Alternative are the MKS Servo57A which include a driver and encoder in the board on their back. These motors would be much stronger and could easily run over small mechanical blocks like leaves growing over the tracks.

    I am interested in the design considerations which lead to the small steppers.
    nick22, Aug 13, 2024
    #1