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Extension Spring Sizing

  1. Jun 18, 2012 #1
    I'm in need of an extension spring with some specific requirments:

    Material: Stainless Steel
    Diameter 0.75inch
    Rest Length: 5 1/2inch inside the hooks
    At 7 inches a forcle of 10lbs
    At 10 inches (full extension) a force of no more than 20lbs (As low as possible)

    Any idea on how to size this spring? What diamter wire will it need to be etc.
     
  2. jcsd
  3. Jun 19, 2012 #2
    Hey Avis...I think you would be able to find what you're looking for at this website. They have a huge range of extension springs, and I've had success before. All the best!

    http://stanleyspring.com/
     
  4. Jun 19, 2012 #3

    Mech_Engineer

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  5. Jun 20, 2012 #4
    Hey, thanks guys! I found an off the shelf spring that is almost perfect! Can't complain with that!
     
  6. Jun 22, 2012 #5
    You might find luck at this site....

    http://stanleyspring.com/

    I know they have a lot of different springs. I'm not too sure if they have the type you're looking for, but I'm betting they do. Good luck, Avis!
     
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