Belleville Washer Design Guide

Offering a design that allows for very high load capacity relative to deflection and available space within the application american belleville washers can be specified using limitless dimensional configurations and load deflection ratings.

Belleville washer design guide.

The characteristic curve of a belleville washer makes it possible to be used in various combinations with the necessary support that an application needs. A belleville washer is a type of spring shaped like a washer. Principles of belleville. 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.

Such a device does not meet all locking device requirements however. This spring rate is usually very high allowing the spring to produce very large loads in a very small space. Whether the belleville washer needs to fit tightly under the head of the bolt or provide a wide. Other washers have limitations.

Belleville washers additional design information. To keep bolted connections tight we can choose from several methods. T represents the washer material thickness as well as the washer solid flat height. The belleville washer has been widely known because of properties that make it stand out among others.

It is shaped much like a washer and is typically smaller than a coiled spring. A belleville spring is a conical shaped disc that will deflect flatten at a given spring rat e. Enter the belleville washer the belleville is a disk spring that applies. This is a minimum measurement and reflects the bolt size that the washer will accommodate.

The most common is the insertion of a locking device between the rotating part nut and the parts being fastened i e bus bars. 888 springs 888 777 4647 fax. That locking device often is a split ring lockwasher. Od represents the washer.

In a belleville washer the ratio of material thickness to rim width is held to about one in five. Because belleville washers can bear a much larger load relative to its deflection rate than a coiled spring they are ideal for cushioning heavy loads with short motion. It is the frusto conical shape that gives the washer its characteristic spring. Uses of belleville washers.

A belleville washer or disc spring is a conical shaped spring with an open center. These include the following. Belleville spring disc spring and conical compression washer are all names for the same type of spring. Gasket material and design.

A belleville spring is a conical shaped disc that will deflect flatten at a given rate. Tests sponsored by the subcommittee on bolted flange.