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  1. #1
    Join Date
    Dec 2004
    Posts
    48

    unreliable y axis

    Ok I finally get my router going about 3 weeks ago everything works great. Did some test cuts works awesome. Yesterday I was cutting a grid pattern on my table the program is going good the next thing I know the y-axis goes in reverse crashing into the end so I stopped the program and tried to jog back to where it was supposed to be and the axis wants to run backwards. I can jog it and sometimes it goes the correct direction then the next time it goes backwards or just buzzes like it is up against a stop and won't move. The question is is it a motor problem or a drive problem. I am using Kelling 40 volt drives with 24 volt ps. 270 oz. steppers under mach3.


    Thanks Bruce
    www.wtxrcdog.com
    http://wtxrcdog.blogspot.com/

  2. #2
    Join Date
    Mar 2003
    Posts
    35538

    Re: unreliable y axis

    Could be a loose direction wire, or a computer problem.

    Measure the voltage on the direction pin while jogging in both directions. It should be 5V in one direction, and 0V in the other direction.
    Gerry

    UCCNC 2017 Screenset
    http://www.thecncwoodworker.com/2017.html

    Mach3 2010 Screenset
    http://www.thecncwoodworker.com/2010.html

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

    (Note: The opinions expressed in this post are my own and are not necessarily those of CNCzone and its management)

  3. #3
    Join Date
    Dec 2004
    Posts
    48

    Re: unreliable y axis

    Well I tried to trouble shoot my y axis I had a gecko 540 that I had for another project and I hooked it up and replaced the stepper motor and it works awesome.

    Thanks for the help

    Bruce
    www.wtxrcdog.com
    http://wtxrcdog.blogspot.com/

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