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Stepper motors, lumpy bumpy notchy??

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  • chefsnade
    replied
    Brilliant, thank you

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  • haroldj1956
    replied
    All steppers have magnetic "bumps" when they are turned by hand. You can even rectify the output to use them as dc generators.

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  • chefsnade
    replied
    Anyone? Seems to be printing fine.

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  • chefsnade
    replied
    Sorry yes, a alfawise u30
    longer 42BYGH40H-2-19D
    KH 2018 12 20

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  • Redbeard
    replied
    Would help if you specify what printer you are using. Also which stepper motor(s) are you referring?

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  • chefsnade
    started a topic Stepper motors, lumpy bumpy notchy??

    Stepper motors, lumpy bumpy notchy??

    Is this normal when moving by hand, i feel two notches/bumps/lumps mid way and two at each end. To start of with o thought it might be a defect on the rail where the bearing runs on, but the gap apart makes me think it's mechanical, possible where the poles line up?? Regards
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