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  1. #1
    Join Date
    Sep 2007
    Posts
    2

    Mach3 Strange behaviour

    Hello all, my name is Wal and I am a newbie to cnc. I posted some pictures of my 24X 36 machine and my mach3 setup screenshots for anyone who can help me with this. I also have the same problem with circle g-code that comes with mach3 download turns into an oval on my machine. My machine has very strange behaviour right now. When I press ref x diagnostics page the machine moves in the y direction. I have a Dyna1000 and the led indicates that Y is moving but the dro shows X increasing in the positive direction from machine 0,0. When I reference Y in the diag page, The dro indicates that Y is moving in the positive direction but the machine itself does not move at all. And when I press soft limits (set to 23,0 for x and 35,0 for y and a and z to 0,3) the machine says that I am out of softlimits for softlimit activation. Thank you all in advance for helping a newbie.

  2. #2
    Join Date
    Mar 2003
    Posts
    35538
    Sounds like your pins are setup wrong.
    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
    Feb 2006
    Posts
    57
    If the machine is moving towards the positive direction that means after it is home all movement from the home position will be negative.

    If you are homeing to the back right corner.

    try changing the numbers to negatives.

  4. #4
    Join Date
    Jun 2007
    Posts
    3757

    Talking Information you need is here.

    Try this link.
    It covers most, if not all of your problems.
    And will save reinventing the wheel.
    http://www.cnczone.com/forums/showthread.php?t=49759

    A detailed setup sequence can be found at post#13 in this thread.
    See how you go. :cheers:
    Super X3. 3600rpm. Sheridan 6"x24" Lathe + more. Three ways to fix things: The right way, the other way, and maybe your way, which is possibly a faster wrong way.

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