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A Belleville washer, also known as a coned-disc spring, [1] conical spring washer, [2] disc spring, Belleville spring or cupped spring washer, is a conical shell which can be loaded along its axis either statically or dynamically.
Belleville washers are a more economical and less precise form of conical disc spring, best used for static applications where some setting and/or loss of force can be tolerated.
In other applications, a flat washer can prevent a Belleville washer or disc spring from biting into softer metals. This is particularly important in preserving the integrity of bus bars, which are typically made from aluminum to withstand conditions of high current loading.
Belleville disc springs are used everywhere from the automotive, food processing, and chemical industries and found in applications from boilers and industrial furnaces to superconductors and satellites. They are commonly used in applications requiring high spring force and small deflections.
Belleville washers, also known as Belleville springs or disc springs, are versatile components widely used in various industries. They solve problems requiring a constant force or deflection. American Belleville offers a comprehensive catalog of Belleville washers, catering to a wide range of applications.
Belleville washers provide a very high spring force for short movement and have a high energy storage capacity. In a true Belleville washer, the ratio of material thickness to rim width is held to about one in five.
Understanding how to calculate disc springs is crucial to ensure their optimal performance within a specific design. In this blog, we will explore the fundamental principles behind disc spring calculations, enabling you to determine the necessary dimensions and characteristics for your application.
