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IndustryArena Forum > MetalWorking Machines > Benchtop Machines > Mach 3 units not same as inches on my cnc

Thread: Mach 3 units not same as inches on my cnc

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  1. 07-28-2013, 10:46 PM #1
    dylangordon92
    dylangordon92 is offline Registered
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    Mach 3 units not same as inches on my cnc

    Hi, i'm just a newb but when i move my cnc, lets say x-axis, 4'' it shows at 1.33 on the mach 3 program?
    is it set in mm? what exactly am i doing wrong?
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  2. 07-28-2013, 11:32 PM #2
    awerby
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    It doesn't sound like a mm/inch mismatch; that would move the stage 4 mm (.1576"). Try increasing the steps per unit for that axis (in Config/motor tuning) by a factor of 3 (triple whatever number you've got in the box) and see if you're any closer. Remember to click "save axis" before closing the motor tuning dialog.

    Andrew Werby
    www.computersculpture.com
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  3. 07-29-2013, 02:36 AM #3
    dylangordon92
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    Wow that was it!! Thank you so much! Now everything make a little more sense. Thanks again Andrew
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