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  1. #13
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    Default Re: Designing an extremely large CNC machine

    Hi,
    I would be looking at rack and pinion for your long axis.

    discounted automation products: Motion Control, Rack and Pinion

    Craig



  2. #14
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    Default Re: Designing an extremely large CNC machine

    R&P can be be found cheap in POM (Delrin etc). Driven by an axle it shouldn't rack if you can prevent jump/skip.
    This isn't something I've tried and there may be some real practical limits I haven't taken into account.

    Anyone who says "It only goes together one way" has no imagination.


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Designing an extremely large CNC machine

Designing an extremely large CNC machine