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Extension springs have a wide range of applications and uses. The are closed coiled spring that are used where a force is required to pull between two points - the opposite of a compression spring, where the force is repulsive. As for compression springs, they are relatively easy to design and manufacture although the type of end hook or loop can be important |
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Extension springs offer resistance to pulling forces. Many different end configurations or "hooks" are used to secure extension springs to the sources of the pulling force |
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An tension (extension) spring
offers resistance to a pulling force. Many different end configurations or
"hooks" are used to secure the spring to the source of the pulling force. A
common example of an extension spring is the spring in a storm door. |
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Extension springs can be made from round or square wire, although round is considerably cheaper and easier to manufacture. We keep a vast selection of material sizes and types in stock, from standard spring steels to nickel alloys, all of which can be used to manufacture extension springs. |
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The performance of a
Extension spring depends on the following factors: Wire size Body Diameter Number of coils Length Rate Hook / Lock Type Index Stress |
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