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Coil spring

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Title: Coil spring  
Author: World Heritage Encyclopedia
Language: English
Subject: Suspension (vehicle), Spring (device), Suzuki Fronte, Howmet TX, Shock absorber
Collection: Automotive Suspension Technologies, Springs (Mechanical)
Publisher: World Heritage Encyclopedia
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Coil spring

A coil spring, also known as a helical spring, is a mechanical device, which is typically used to store energy due to resilience and subsequently release it, to absorb shock, or to maintain a force between contacting surfaces. They are made of an elastic material formed into the shape of a helix which returns to its natural length when unloaded.

One type of coil spring is a torsion spring: the material of the spring acts in torsion when the spring is compressed or extended. The quality of spring is judged from the energy it can absorb. the spring which is capable of absorbing the greatest amount of energy for the given stress is the best one. Metal coil springs are made by winding a wire around a shaped former - a cylinder is used to form cylindrical coil springs.

Contents

  • Variants 1
  • Applications 2
  • See also 3
  • External links 4

Variants

Types of coil spring are:

  • Tension/extension coil springs, designed to resist stretching. They usually have a hook or eye form at each end for attachment.
  • Compression coil springs, designed to resist being compressed. A typical use for compression coil springs is in car suspension systems.
  • Torsion springs, designed to resist twisting actions. Often associated to clothes pegs or up-and-over garage doors.

Applications

Coil springs have many applications; notable ones include:

See also

External links

  • Helical Spring by Sándor Kabai at The Wolfram Demonstrations Project.
  • glossary by manufacturer McAllister Industries.
  • Institute of Spring Technology
  • Spring Manufacturers Institute
  • [1], tutorial by Dave Silberstein.
  • , April 1949, Popular Science"You Spring From Morning To Night" article on the basics of steel coil springs manufacturing.


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