BellevilleScheiben

BellevilleScheiben, also known as Belleville washers or conical spring washers, are a type of mechanical fastener designed to provide spring tension and absorb shock. They are characterized by their conical shape, which allows them to flex and compress under load. When stacked together, they can create a significant amount of spring force.

These washers are typically manufactured from spring steel, ensuring their ability to return to their original shape after being compressed. The specific dimensions and thickness of a Belleville washer determine its load-bearing capacity and deflection characteristics. They are often used in applications where precise preloading of a fastener is critical, such as in bolted joints, engines, and hydraulic systems.

The primary function of Belleville washers is to maintain consistent clamping force. This is especially important in environments subject to vibration, thermal expansion and contraction, or dynamic loading. By providing a constant spring force, they prevent fasteners from loosening, thereby ensuring the integrity and safety of the assembled components.

Belleville washers can be used individually or in stacks. When stacked in series, their spring force increases proportionally to the number of washers, while their deflection remains the same as a single washer. Conversely, stacking them in parallel (back-to-back or face-to-face) increases their deflection while maintaining the force of a single washer. This versatility allows for customization to meet specific application requirements. They are an effective solution for managing dynamic loads and ensuring reliable performance in demanding mechanical assemblies.