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  1. #1
    Join Date
    Feb 2011
    Posts
    212

    strange pulsating noise from x axis motor

    I have been hearing this annoying noise coming from the x axis motor. It's not loud at all but can only hear it when the mill is sitting there at idle. What could be the cause of this ?

    The drive wires are separated from all the other wires to prevent unwanted noise .

  2. #2
    Join Date
    Feb 2006
    Posts
    794

    Re: strange pulsating noise from x axis motor

    Hello,
    My IH mill has done this in the past. What it turned out being is the gecko was adjusted too tight. Usually the gain is needing a little counter clockwise adj. till quiet. The Damp may need same. Don't be afraid of it. Turn off all noises, and listen close to motors. You will quickly find out what I mean once you try it. This is the only way to adjust without an oscilloscope.
    simple cw noisy and ccw quiet
    Don
    IH v-3 early model owner

  3. #3
    Join Date
    Feb 2011
    Posts
    212

    Re: strange pulsating noise from x axis motor

    Thanks .

  4. #4
    Join Date
    Feb 2006
    Posts
    794

    Re: strange pulsating noise from x axis motor

    Does silence mean success ? I am sure some here would be interested !
    Don
    IH v-3 early model owner

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