Thread: motor control

  1. #1
    Does anybody know anything about these--[B]Lini- stepper motor controller kit 4 CNC Mill / Lath ebay 290278669777



    Phil.

  2. #2
    Where's Ussex ? is it near Essex ?:heehee:
    John S -

  3. #3
    Quote Originally Posted by John S View Post
    Where's Ussex ? is it near Essex ?:heehee:
    It is meant to be Sussex but for some reason this bloody Vista Laptop decides to put letters in where and when it feels like it and I didn't notice and do not know how to change. P.

  4. #4
    Quote Originally Posted by Kip View Post
    Unipolar only.....Old design....cheap though!
    Not sure what unipolar means. ?

  5. Quote Originally Posted by Phil Gravett View Post
    Not sure what unipolar means. ?
    Unipolar - current flows through coils in one direction. Generally a unipolar motor windings have a centre tap connected to one side of the supply (usually +ve) and the ends of the coil windings are conencted by the driver circuit to the othe side (usually -ve or ground)

    Bipolar: both ends of the coil are driven by the driver and current flows in both directions through the coil.

    Bipolar gives higher torque/speed

  6. #6
    Quote Originally Posted by Kip View Post
    Google is your friend.
    Point taken. Sometimes I forget !
    Phil.

  7. #7
    Quote Originally Posted by irving2008 View Post
    Unipolar - current flows through coils in one direction. Generally a unipolar motor windings have a centre tap connected to one side of the supply (usually +ve) and the ends of the coil windings are conencted by the driver circuit to the othe side (usually -ve or ground)

    Bipolar: both ends of the coil are driven by the driver and current flows in both directions through the coil.

    Bipolar gives higher torque/speed
    Thanks, I've got that now. Phil.

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