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  1. #5
    Hi Scott.. Belts are a no no for a machine that size. I tried a few years back and failed miserably. Fine for a plasma with a light gantry but a definite no go for anything to do with machining timber or aluminum. Rack and pinion has some merit for a machine that size but it really depends on what you want to cut and the tolerance you wish to achieve.

    As Jazz said Ball screws are the better option but budget often dictates.

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