Stepper motor noise/buzz


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Thread: Stepper motor noise/buzz

  1. #1
    *Registered User* dnessim's Avatar
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    Default Stepper motor noise/buzz

    has anyone experienced this , I have a 1212 cnc router and I am hearing noise from my stepper motors
    It is intermittent and it can get pretty loud its like a buzzing sound.

    When the gantry is stopped i will hear this noise and if i jog in the axis that is affected it will stop
    Let me know if u can see this video and have any thoughts

    i cant seem to get a video small enought to post.

    Also note this is intermittent and the machine is operating normal other than the sound.


    let me know if anyone has any thoughts as to what might cause this.
    thanks
    Dave

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  2. #2
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    Default Re: Stepper motor noise/buzz

    This is the holding current associated with steppers. They often have a resonance noise while holding, this various depending on the driver and the size of the stepper motor. This is normal, and it disappears as you start moving because the steps are being sent to the motor so it has no time to start resonating. Sometimes you can touch the axis or the couple just barely and the noise will stop.

    Russ



  3. #3
    *Registered User* dnessim's Avatar
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    Default Re: Stepper motor noise/buzz

    Thanks russ
    Thats exactly what i do i jog and all i need to do is move .001 and the sound stops
    Ehat can i do to resolve?

    Dave



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    Member ger21's Avatar
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    Default Re: Stepper motor noise/buzz

    Buy high quality stepper drives.

    Gerry

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    [URL]http://www.thecncwoodworker.com/2017.html[/URL]

    Mach3 2010 Screenset
    [URL]http://www.thecncwoodworker.com/2010.html[/URL]

    JointCAM - CNC Dovetails & Box Joints
    [URL]http://www.g-forcecnc.com/jointcam.html[/URL]

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Stepper motor noise/buzz

Stepper motor noise/buzz