Need Help! Estop and Light Curtain

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Thread: Estop and Light Curtain

  1. #1
    Member Swager's Avatar
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    Post Estop and Light Curtain

    On my Omni CNC, when the OP breaks the light curtain or Hits the E Stop the Z axis crashes down 3-4 inches. Everything looks to be in tact electrically. What am I missing?

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  2. #2
    Community Moderator Jim Dawson's Avatar
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    Default Re: Estop and Light Curtain

    Bad Z brake maybe?

    Jim Dawson
    Sandy, Oregon, USA


  3. #3
    Member Swager's Avatar
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    Default Re: Estop and Light Curtain

    That is my first assumption after getting panels opened up. Also might replace the cylinder why I have it all open. Hasn't been cleaned in years it looks like.



  4. #4
    Community Moderator Jim Dawson's Avatar
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    Default Re: Estop and Light Curtain

    If it has a counterbalance cylinder, then that might be the problem.

    Jim Dawson
    Sandy, Oregon, USA


  5. #5
    Community Moderator Al_The_Man's Avatar
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    Default Re: Estop and Light Curtain

    I have seen this on lathes with heavy vertical X axis where the hydraulic stop valve has failed.
    I should add, this was on the counter balance hydraulics.

    Last edited by Al_The_Man; 02-23-2022 at 05:21 PM.
    CNC, Mechatronics Integration and Custom Machine Design

    “Logic will get you from A to B. Imagination will take you everywhere.”
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