Wave spring washers are commonly used as cushion springs or spacers on a shaft in many applications. They are designed with a moderate load capacity with a moderate deflection range. Wave spring washers have linear load-deflection characteristics to approximately 80% of maximum deflection.
Wave spring washers, also called wave washers, generally have several curvilinear lobes. The wave spring washer is an efficient washer for obtaining loads when the load is static or the working range is small and the amount of axial space is limited. Wave spring washers often have three, four, or six waves, however, any number of waves can be produced. By increasing the number of waves, the thickness can be reduced for a given load at the expense of decreasing the amount of deflection and increasing the radial stress. Wave uniformity is important because the load rate doesn’t begin until all waves are evenly loaded.
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