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Strip spring technologies
Finding the optimum spring with state-of-the-art methods and maximum efficiency
Spiral springs or constant force springs are predominantly made of spring-tempered flat steels or steel strips. The winding or coiling of the spring introduces high internal bending stresses that have a negative impact on the spring properties in terms of service life and usable spring force. Most of these stresses can be removed with a heat treatment process adapted to the material, at the same producing an increase in the initial strength and an increase in the elastic yield strength in the material. We set the properties of the springs to their optimum values with defined heat treatment processes.