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Calculation of Cable tension through pulley system

  1. Jul 28, 2015 #1
    Hi,

    I'm new to PF so this is my first post. I have a real case scenario as my first thread in which I have a gravitational tensioning system that provides tension to a cable conveyor. The tensioning system includes a series of pulleys in a particular reeving arrangement that is fixed on one side of the conveyor and reeves itself back to a counter weight system on the opposing side. I have attached 3 hand drawn diagrams inclusive of varying scenarios and calculations of my attempt to quantify the tension in the cable across 2 different conditions (when the counterweight is moving up and when the counterweight is moving down). I have incorporated a friction value in each individual pulley of 3% (denoted as x=0.03). Please let me know your thoughts and validity of my calculations and theories.
     

    Attached Files:

  2. jcsd
  3. Aug 2, 2015 #2
    Thanks for the post! This is an automated courtesy bump. Sorry you aren't generating responses at the moment. Do you have any further information, come to any new conclusions or is it possible to reword the post?
     
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