Why do springs need tempering treatment?
Time：2023-11-28
Source： Network
The spring needs to be heat treated and tempered after winding and processing. Its function is:
1. Strengthen the tensile strength, one of the purposes of tempering treatment is to improve the resistance strength, to ensure the normal rebound, to ensure the effect of the spring. The spring after tempering can increase the tensile strength to more than 90%, reducing the creep resistance of the spring.
2. Release the residual stress. In fact, the spring after tempering treatment can release the residual stress in time, so that it can carry out normal wire drawing or rolling. This can gradually increase the service life of the spring, reduce the fatigue performance and creep.
3. Stable spring shape, after tempering, the role of the spring can directly stabilize the shape of the spring. It is not easily deformed. In this way, the stretching effect of the spring can be guaranteed.
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