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Initial compression of a spring

  1. May 25, 2017 #1
    My question here is a simple one. Most tension springs come with an initial tension requirement for spring action. Is it that tension springs are usually used for measuring through some range while compression springs are usually energy absorbers that such a difference is built into them? Also, would a compression spring with an initial compression requirement serve any practical purpose?
     
  2. jcsd
  3. May 25, 2017 #2
    If you start with an open wound spring (such that the coils are not touching), it can be used in either tension or compression without the need for any preload at all. Either can be used as an energy storage mechanism. Initial tension or initial compression is used in many situations, so the answer to your last question is "yes."
     
  4. May 29, 2017 #3

    CWatters

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    The springs on some cars are compressed before fitting and then again by the weight of the car... and only then by the bumps in the road.
     
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