To keep bolted connections tight we can choose from several methods.
Belleville washer design guide.
These include the following.
A belleville washer is a type of spring shaped like a washer.
Such a device does not meet all locking device requirements however.
Belleville washers additional design information.
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 most common is the insertion of a locking device between the rotating part nut and the parts being fastened i e bus bars.
A belleville washer or disc spring is a conical shaped spring with an open center.
Principles of belleville.
The characteristic curve of a belleville washer makes it possible to be used in various combinations with the necessary support that an application needs.
Od represents the washer.
A belleville spring is a conical shaped disc that will deflect flatten at a given spring rat e.
This is a minimum measurement and reflects the bolt size that the washer will accommodate.
It is shaped much like a washer and is typically smaller than a coiled spring.
Forces are decreased as m ore washers are used in series since some of the contact surfaces will roll rather than slide 2.
Other washers have limitations.
T represents the washer material thickness as well as the washer solid flat height.
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.
In a belleville washer the ratio of material thickness to rim width is held to about one in five.
Tests sponsored by the subcommittee on bolted flange.
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.
Whether the belleville washer needs to fit tightly under the head of the bolt or provide a wide.
That locking device often is a split ring lockwasher.
Enter the belleville washer the belleville is a disk spring that applies.
It is the frusto conical shape that gives the washer its characteristic spring.
Belleville washers provide a very high spring force for short movement and have a high energy storage capacity.
Gasket material and design.
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.
Uses of belleville washers.