BELLEVILLE WASHER

A Belleville Washer, also known as a coned-disc spring, conical spring washer, disc spring, Belleville spring or cupped spring washer, is a conical shell which can be loaded along its axis either statically or dynamically. A Belleville washer is a type of spring shaped like a washer. It is the frusto-conical shape that gives the washer its characteristics of a spring. Disc springs have a number of advantageous properties compared to other types of springs: + Very large loads can be supported with a small installation space. + Due to the nearly unlimited number of possible combinations of individual disc springs. the characteristic cun/e and the column length can be further varied within additional limits. + High service life under dynamic load if the spring is properly dimensioned. + Provided the permissible stress is not exceeded, no impermissible relaxation occurs. + With suitable arrangement, a large damping (high hysteresis) effect may be achieved. + Because the springs are of an annular shape, force transmission is absolutely concentric.

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