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  1. #1
    After I set my z axis to zero in a g code run the Z axis moves below set zero.What am I missing?

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  2. #2
    The first thing to eliminate is the code itself, if it has a G54....G59 the code is applying an offset which will override your zero.
    Best to at least post code to the point where Z drops below your zero,

    - Nick
    You think that's too expensive? You're not a Model Engineer are you? :D

  3. #3
    It dose it in a few codes I've tried to you have any code I can try

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  4. #4
    In my CAM software I define the top surface of the work as work coordinates Z Zero. Any cuts down into the work are then in the -ve Z direction. So it goes below zero when cutting but that is normal. Is that what you mean?
    You can also define the bottom of the workpiece as zero in CAM and then set work Z zero at the bottom of the work (eg the spoil board). Then all cutting is +ve Z

    Can you write down each step you are taking as this might help understand your problem? Explain at which point it does something unexpected. Video and screenshots may help if it is difficult to describe
    Building a CNC machine to make a better one since 2010 . . .
    MK1 (1st photo), MK2, MK3, MK4

  5. #5
    With a plasma cutter I believe sheetcam is a popular product to use with Mach3 and looks simple to generate plasma code with

  6. #6
    There seem to be no g54 or g59 how do you set up the z

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  7. #7
    What dose the red light at the z mean

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  8. #8
    A video

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  9. #9
    Somebody delet above sorry

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  10. #10
    Quote Originally Posted by whensparksfly View Post
    Somebody delet above sorry

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    you should be able to edit and delete

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