How do I choose a disc spring?

If you are unable locate the part you require, why not try our advanced search. You can search by minimum and maximum values for the outer and inner diameters along with required disc spring thickness.

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Our disc spring fabrication is subject to exacting manufacturing and quality control standards. Materials used are generally in annealed condition and hardened to within a range of Rc 44-51 depending on material thickness. The standard material for Century Spring&#;s disc springs is high carbon C- for general use at room temperature. All discs are preset so that they will not significantly relax under load over time.

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Disc springs are used singly or in stacks to achieve a desired load and travel. In general, they function best under conditions requiring very high load in confined space or short travel. Under these constraints, it is often not practical or even possible to use a coil spring.

Century Spring also offers pre-stressed disc springs specifically sized for use with bolts (see part numbers beginning with &#;CDS&#;). The primary function of the disc in this application is to create a constant bolt load in bolted assemblies. Load compensation for differential expansion due to heat or dissimilar metals such as electrical connection bolting, or in wear situations, or when &#;torque- setting&#; is required are good examples of disc spring use.

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