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Rack and pinio preload

Discussion in 'General Talk' started by amos ben amos, Dec 20, 2015.

  1. amos ben amos

    Builder

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    hello everyone

    I am in process of replacing my machine drive from belt to rack and pinion similar to f-117 design and i am wondering how to calculate the preload on that, I am using mod1 10mm x 10mm 20 degree rack and 20 teeth pinion with spring tension my motors are 170 oz from OpenBuilds part store.
    Also how to convert it to the turqe I need to apply on the screw with moment wrench?

    Thanks for all the help
    Amos
     

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