This is the force required to push the spring into the flat position.
Belleville spring design guide.
We offer these graph curves as part of our standard service.
Belleville spring disc spring and conical compression washer are all names for the same type of spring.
This spring rate is usually very high allowing the spring to produce very large loads in a very small space.
A belleville spring is a conical shaped disc that will deflect flatten at a given rate.
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.
Typical modulus of elasticity of spring materials used in torsion and tension.
We specialize in the design manufacture and distribution of high quality belleville disc springs servicing customers worldwide.
Morrison s spring tables design reference premium membership required to view document book.
Design equations of belleville washer springs premium membership required.
We are the largest belleville manufacturer in the world with customers in 67 countries.
A belleville washer is a type of spring shaped like a washer.
Stretches over 200 acres with a 88 000 square ft.
View our specification guide.
Belleville washers provide a very high spring force for short movement and have a high energy storage capacity.
In a belleville washer the ratio of material thickness to rim width is held to about one in five.
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.
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.
Belleville washers additional design information.
Preferred sizes for spring materials wire strip and bars.
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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.
Although the disc spring has found a wider application during the last few decades it is still an old established machine component.
Manufacturers also use a parameter called flat load or load to flat f w in their description of a belleville spring.
