Pressed Components-Disc Springs

Disc springs are conical shaped washers, designed to be loaded in the axial direction F only. They can be statically loaded, either continuously, intermittently or cyclically deflected i.e. dynamically loaded. Infinitely variable spring characteristics can be achieved by the arrangement of disc springs into stacked columns.
A disc spring (also called as "Belleville washer" after the inventor) consists primarily of a convex disc supported at the outer periphery by one force and an opposing force on the center of the disc.
Disc springs are used singly, or in stacks, to achieve a desired load and travel. The advantage of a disc spring is that it generates high force in a very short spring length and with minimal movement when compressed. All disc springs are subject to exact manufacturing and quality control standards. All discs are preset so that they do not significantly relax under load.
Disc springs achieve economy in design and reduce the cost of overall assemblies by the maximum utilisation of space. Developments such as the internal combustion of engine, turbine and jet systems, cnc machineries, nuclear power, oil and gas exploration, etc. have progressively advanced this simple spring device to the sophisticated energy storage system that it is today.