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IndustryArena Forum > CNC Electronics > Stepper Motors / Drives > Stepper motor changes direction when loaded
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  1. #1
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    Jan 2015
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    23

    Stepper motor changes direction when loaded

    Hello I build an CNCmill two years ago and it has been working good since than until today... when the drill goes into the material and The stepper motor gets a little more load it canges direction until it the drill hits the other side than it changes direction again... if I just drives the avis with no load and keeps tapping the X+ Button then it randomly changes direction. Any ideas? Thankful for answers.

  2. #2
    Member
    Join Date
    Dec 2012
    Posts
    183

    Re: Stepper motor changes direction when loaded

    Hello.

    I suggest you look for rusty connectors.

    I just had a problem where one motor didn´t change direction. It happended to be a rusty connector. I replaced the female connector and cleaned the male connector on the drive using flux as that used for electronics servicing rubbing it with a cotton swap. No problem since.

    While not exactly your problem I think it´s worth checking.

    Regards.

  3. #3
    Member
    Join Date
    Jul 2018
    Posts
    1574

    Re: Stepper motor changes direction when loaded

    Agreed sounds like a faulty connection so check all electrics. Peter

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