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Calculating Torque to Turn a Rod

  1. Nov 30, 2009 #1
    I am working on a senior design project, and we need to calculae the torque needed by a DC motor to turn a threader rod. Any ideas as to how to calculate the torque needed to turn a rod? .75" Diam., 1ft length, will be lifted/lowered up and down at 90° to level ground. I know I'm new, but any help is appreciated!
  2. jcsd
  3. Nov 30, 2009 #2
    Any torque will turn a rod overcoming friction, how much is the question?
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