Belleville Spring Design Guide

Stretches over 200 acres with a 88 000 square ft.

Belleville spring design 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. Preferred sizes for spring materials wire strip and bars. A belleville spring is a conical shaped disc that will deflect flatten at a given rate. We are the largest belleville manufacturer in the world with customers in 67 countries.

State of the art facility. Typical modulus of elasticity of spring materials used in torsion and tension. View our specification guide. Design equations of belleville washer springs premium membership required.

In a belleville washer the ratio of material thickness to rim width is held to about one in five. Belleville washers additional design information. Although the disc spring has found a wider application during the last few decades it is still an old established machine component. Belleville spring disc spring and conical compression washer are all names for the same type of spring.

We specialize in the design manufacture and distribution of high quality belleville disc springs servicing customers worldwide. 100 key lane leechburg pa 15656 9531 u. This spring rate is usually very high allowing the spring to produce very large loads in a very small space. A belleville washer is a type of spring shaped like a washer.

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. Morrison s spring tables design reference premium membership required to view document book. 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. 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.

Whether you are in the design phase or the purchasing phase our engineering staff can utilize our software programs to produce charts for any belleville spring design. 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.