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  • Hand fed machine rotating knob question

    Discussion in 'The main mechanical design forum' started by mohamed.elsabagh, Dec 23, 2011.

    1. cct3000

      cct3000 Member

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    3. kevin.koehler

      kevin.koehler Member

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      What kind of speed/force relationship are you looking for? Rack and pinion could work.
       
    4. Ramana Rao

      Ramana Rao Well-Known Member

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      Using ball screw for vertical movement of load might not work, as it can be back-driven due to gravity. that is the the nut can drive the shaft. A trapezoidal screw and nut will do the job without any problem.

      Ramana Rao
       

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