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Shaft diameter

  1. Aug 17, 2006 #1
    what formula should i use to calculate the shaft diameter according to the load due to bending and torsion??
     
  2. jcsd
  3. Aug 17, 2006 #2

    Astronuc

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    Staff: Mentor

    That depends on the applied contraints and geometrical considerations.

    Consider the formula one uses to determine the bending or torsional stresses or deflections in which the cross-sectional area is a factor. If the constraint is yield stress or maximum deflection, then one can solve for a particular cross-sectional area (and from that, diameter) based on a maximum stress less than or equal to yield stress, or maximum deflection based upon some limit (which could be limited by yield stress or interaction with some other structure).
     
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