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Film Winder Force and Torque Calculations

  1. Aug 12, 2007 #1
    This is an actual real-life problem. There is a machine that winds film at my work. I need to determine the torque required (T_2) and force needed (N) for the conditions showed in my diagram when all variables except F_T2 are known.

    Roll #2 begins with no film and ends as a large roll with film. The piston applies the force (N) on the roll via the winder arm. Roll #2 is driven by a hydraulic motor which suppies torque. Roll #2 is driven by an electric motor which supplies torque (T_1).

    I'm not sure if my equations of motion are correct. I am also unsure if my friction (F_f) dircections are correct.
     

    Attached Files:

  2. jcsd
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