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  1. #1
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    Default strange motion when referencing axis

    After a re-build of my 3 axis mill (Mach 3, USB Smoothstepper) I'm having a weird problem when referencing each axis to it's homing switch.

    I'm in the Diagnostics screen and when I hit the reference x button is slowly creeps to the sensor and stops as it should upon contact.
    Next, I refence Y. Not only is the Y axis moving but now the X starts drifting away from it's home sensor as well simultaneously.

    I've never had these kinds of problems in the past.

    All three axis work fine commanded from the keyboard or pendant.

    Any ideas?

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    Default Re: strange motion when referencing axis

    Quote Originally Posted by Tristar500 View Post
    After a re-build of my 3 axis mill (Mach 3, USB Smoothstepper) I'm having a weird problem when referencing each axis to it's homing switch.

    I'm in the Diagnostics screen and when I hit the reference x button is slowly creeps to the sensor and stops as it should upon contact.
    Next, I refence Y. Not only is the Y axis moving but now the X starts drifting away from it's home sensor as well simultaneously.

    I've never had these kinds of problems in the past.

    All three axis work fine commanded from the keyboard or pendant.

    Any ideas?
    You have EMI noise in your system check Grounding and shield Grounding USB cables can be a problem also if the are not shielded

    Mactec54


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strange motion when referencing axis

strange motion when referencing axis

strange motion when referencing axis