Cupped Spring Washer Serrated Belleville Washer DIN 6796 Supplier

Cupped spring washer is a conical shell that can be loaded along its axis either statically or dynamically. A Belleville washer is, then, a type of spring shaped like a washer. It is the frusto-conical shape that gives the washer a spring characteristic. Through the years, the request of always greater precision in the calibrations process, the availability of new materials and new and more accurate calculation methods, led to the introduction of the disc spring into all areas of technology and now disc springs are used in a lot of industries: automotive, building, defense and so on. In the different fields, if they are used as springs or to apply a pre-load of flexible quality to a bolted joint or bearing, Belleville washers can be used as a single spring or as a stack. In a springs stack, disc springs can be stacked in the same or in an alternating direction, and of course it possible to stack packets of multiple springs stacked in the same direction. As said, multiple Belleville washers may be stacked to modify the spring constant (or spring rate) or the amount of deflection. Stacking in the same direction will add the spring constant in parallel, creating a stiffer joint (with the same deflection). Stacking in an alternating direction is the same as adding common springs in series, resulting in a lower spring constant and greater deflection. Mixing and matching directions allow a specific spring constant and deflection capacity to be designed. Ever Hardware provides custom-made fasteners and customizable packaging.

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