Are these sizes right

New Home Forum Mostly Printed CNC – MPCNC Advice – MPCNC Are these sizes right

This topic contains 3 replies, has 3 voices, and was last updated by  Barry 2 years ago.

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  • #47767

    Moritz V. Konietzke


    I want to build my MPCNC with a working area of

    X 736mm Y 420mm Z 210mm

    X 28.9″ Y  16.5″ Z 8.5″

    I have doubts about the Z height. Should I decrease it.


    Kind regards





    8.5″ wouldn’t be easy to use unless you have a specific reason for it. What is the reason for so tall, could you use a drop table instead?

    1 user thanked author for this post.

    Moritz V. Konietzke

    I’d like to have the biggest possible working space.

    Wich is the biggest you would suggest?




    I wouldn’t make it any taller than 4 inches.  Even at that height the spinning bit has enough power to overcome the stepper’s holding ability.  You can get enough flex in the conduit for the bit to pull out of plumb, which causes extra drag on one side of the bit.

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