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  1. #1
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    Question Mach 3 cutting half the distance/size

    Hello,
    I am back working on some cnc router stuff and had to reload mach I set it up as per mfg settings again. I had the issue before of it cutting half the distance and changed a setting to get it right but do not remember what setting I was ? Any help would be appreciated.

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  2. #2
    Community Moderator Jim Dawson's Avatar
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    Default Re: Mach 3 cutting half the distance/size

    Steps per unit possibly?



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    Default Re: Mach 3 cutting half the distance/size

    Hi,

    That would be the scale factor in the screen for 'Program Run' just to the left of the toolpath display. Remember to press the Enter key after entering a scale to make the change persist.

    Cheers



  4. #4

    Default Re: Mach 3 cutting half the distance/size

    Mach 3 cutting half the distance/size-4-jpg


    Please check steps per .
    it is very important for the machine ,if steps per is not right ,the real distance of the machine will be not correct .
    here is a way to test and adjust it .
    1,please make a design ,let the machine move 100 mm(or more ,if your machine very big .)
    2,use a ruler measure the real distance.
    3,Compare the difference between actual and design values。
    FOR EXAMPLE .
    you let y axis move 200mm (the screen show .)
    but the real distance is 180mm( the ruler measure .)
    and now our steps per is 104.37.
    Mach 3 cutting half the distance/size-img_20161229_192633-jpg

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Mach 3 cutting half the distance/size

Mach 3 cutting half the distance/size