Belleville Spring Design Guide

We specialize in the design manufacture and distribution of high quality belleville disc springs servicing customers worldwide.

Belleville spring design guide.

Preferred sizes for spring materials wire strip and bars. Typical modulus of elasticity of spring materials used in torsion and tension. It is the frusto conical shape that gives the washer its characteristic spring. This spring rate is usually very high allowing the spring to produce very large loads in a very small space.

In a belleville washer the ratio of material thickness to rim width is held to about one in five. A belleville washer is a type of spring shaped like a washer. State of the art facility. The original inventor is not known but more than 130 years ago on 26 12 1861 to be precise julien francois belleville of dunkirk was granted french patent number 52399 for a spring design which already contained.

View our specification guide. The belleville name comes from the inventor julien belleville who in dunkerque france in 1867 patented a spring design which already contained the principle of the disc spring. Design equations of belleville washer springs premium membership required. Belleville spring disc spring and conical compression washer are all names for the same type of spring.

Manufacturers also use a parameter called flat load or load to flat f w in their description of a belleville spring. This is the force required to push the spring into the flat position. Belleville washers provide a very high spring force for short movement and have a high energy storage capacity. Belleville washers additional design information.

A belleville spring is a conical shaped disc that will deflect flatten at a given rate. 100 key lane leechburg pa 15656 9531 u. In a bolted joint the spring is normally loaded at the upper inside edge by the nut or bolt head and the lower outside edge by the joint. We offer these graph curves as part of our standard service.

We are the largest belleville manufacturer in the world with customers in 67 countries. Although the disc spring has found a wider application during the last few decades it is still an old established machine component. A beginner s guide to belleville washers nov 28 2016 disc springs blog 0 comments some people who may need to use compression spring applications that require high load may not be able to distinguish which kind of washers that would best suit for their needs.