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IndustryArena Forum > OpenSource CNC Design Center > Arduino > Z Axis issue only when running grbl file
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  1. #1
    Join Date
    Mar 2018
    Posts
    3

    Z Axis issue only when running grbl file

    Hi guys,

    I have been working on a CNC shield v3 build and have everything running with basic machine control (all axises work manually).
    When I run a "Circle-diamond-square" file all I get is a moan from the stepper on a -Z command.
    If I test the command manually it works. But not as the part of the program.

    I have tried a number of things, but I'm interested in your thoughts. Where should I be looking? Wha info do you need?

    Jason

  2. #2
    Join Date
    Apr 2004
    Posts
    733

    Re: Z Axis issue only when running grbl file

    Quote Originally Posted by corran57 View Post
    Hi guys,

    I have been working on a CNC shield v3 build and have everything running with basic machine control (all axises work manually).
    When I run a "Circle-diamond-square" file all I get is a moan from the stepper on a -Z command.
    If I test the command manually it works. But not as the part of the program.

    I have tried a number of things, but I'm interested in your thoughts. Where should I be looking? Wha info do you need?

    Jason
    Probably moving the Z to fast in the gcode program. Try lowering the Z max speed and acceleration settings.
    $112 is Z max speed
    $122 is Z acceleration

  3. #3
    Join Date
    Mar 2018
    Posts
    3

    Re: Z Axis issue only when running grbl file

    Thanks, yes you might be right.
    Will have a play and let you know.

    J

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