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  1. #1
    Member
    Join Date
    May 2021
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    2

    machine looses position in X axes

    hi i am new to this forum
    was hoping to get some help with my older MS CNC JR vertical milling machine
    the machine loses tracking ever so often in the x axes
    totally random so is the amount of of position loss
    the amount is anywhere from .002 to .0049"
    it usually happens on the beginning of the milling cycle or end never in the process

    any help would be greatly appreciated

    DS

  2. #2
    Member
    Join Date
    May 2022
    Posts
    17

    Re: machine looses position in X axes

    The first thing that comes to my mind is that the milling cutter may fixed wrong (garbage in the collet). Are there options set correctly (measure whether the real movement coincides with the program one)? If it's has broken down, then perhaps there are problems of mechanics.

  3. #3
    Member
    Join Date
    Apr 2004
    Posts
    5517

    Re: machine looses position in X axes

    It sounds like lost steps, which happens when steppers try to go too hard or too fast. You might try turning down the acceleration on the axis that's failing. It could be due to a lubrication failure, or it could be a coupler that's slipping.
    Andrew Werby
    Website

  4. #4
    Member
    Join Date
    May 2022
    Posts
    9

    Re: machine looses position in X axes

    try to reduce the speed of the stepper motor.

  5. #5
    Member
    Join Date
    May 2022
    Posts
    17

    Re: machine looses position in X axes

    Yes, you're right! It could work.

  6. #6
    Member
    Join Date
    Dec 2021
    Posts
    32

    Re: machine looses position in X axes

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