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    Discussion in 'The main mechanical design forum' started by smiller15, Oct 24, 2015.

    1. smiller15

      smiller15 New Member

      Oct 2015
      Likes Received:
      Hello All,

      I will apologize in advance as I am inexperienced at torque calculations. I'm working on a project and am determining the torque requirements to turn an auger assembly that is 6 inches in diameter. My question involves the torque requirements and its relationship to the torque output of a electric DC motor. if I have a 75 in-lb torque dc motor with a 0.25 inch shaft, How does the motor torque translate to the 6 inch auger? My confusion stems from torque being dependent on the lever arm and being the coupled auger is a lot larger in diameter, I'm not sure if that effects things.

      Thanks for any help!
    3. Erich

      Erich Well-Known Member

      Feb 2012
      Likes Received:
      If the motor shaft and the auger shaft are turning at the same speed, the torque will be the same.

      Figuring out how much torque is required to turn the auger is a different question entirely.

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