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Motor speed control

Discussion in 'Sensors and Actuators' started by pepi, Dec 2, 2017.

  1. pepi

    pepi

    26
    2
    Sep 20, 2017
    I've have this for years, used it to control the speed of a dermal tool. My question is can I control the speed of a drill press, has a start/run cap? Providing the load less than a 5amps.
    Thanks in advance,
    Greg

    IMG_2323.JPG
     
  2. Minder

    Minder

    2,871
    594
    Apr 24, 2015
    Probably not, start and run cap motors do not control that well, even with a VFD, they tend to drop out of run at low speed and/or with load.
    The it most likely a Triac controller intended for Universal type motors or small shaded pole motors (fans).
    You can either swap the motor for a treadmill DC motor and control or purchase a 3ph motor with a VFD.
    The Dermal (Dremel?) is a Universal motor.
    M.
     
    Last edited: Dec 2, 2017
  3. pepi

    pepi

    26
    2
    Sep 20, 2017
    Thanks did not think it would, thanks for the conformation ..

    Greg
     
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