Extension / Tension Springs

Extension / Tension Springs are designed to absorb and store energy by creating a resistance to a pulling force. All coils are active in these Extension / Tension Springs, and it is the initial tension that holds the coils together tightly. All Extension / Tension Springs ends can be produced to vary in distance from the spring body. Though Extension / Tension Springs are most often produced using round wire and customized wire, Ranoson offers state of the art production capabilities for the entire manufacturing process. Material size range of Extension / Tension Springs is 0.30mm to 3.00mm. Helical Extension / Tension springs stores energy and exerts a pulling force. Usually Helical Extension / Tension springs are made from round wire and close-wound with initial tension. Typical applications of Helical Extension / Tension springs include tape cassette players, balance scales, toys, garage doors, automatic washing machines and various types of spring tensioning devices.

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