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Shear force in a frame due to torsion?

  1. Sep 7, 2016 #1
    The orange thing is a gear being turned by a motor, which is intended to move the frame the shaft is fixed to. I realize the applied torque is going to create support reactions, but I cant quite figure out how to calculate the needed material strength so that the frame won't shear.

    All helps greatly appreciated.

    Edit: I should probably add that there's a load attached to the frame in the z direction relative to the bottom right picture.
  2. jcsd
  3. Sep 8, 2016 #2
    Is this a homework problem?
  4. Sep 8, 2016 #3
    No, it's for a project.
  5. Sep 10, 2016 #4


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    The torque induced shear stress at each plate connection should be 1/2 of the shear stress from an applied torque calculated for a shaft of your dimensions using standard textbook/online available equations.
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