Wave Spring Washers

Wave Spring Washers

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Wave washers exhibit uniform spring constants as they are deflected. The true load deflection rate does not start until the waves are evenly loaded, thus wave washers should always be preloaded. As the wave washer is loaded, the outside diameter expands and the inside diameter contracts. Space must be provided for these changes. Good practice is to design the height to be twice the deflection. It is possible to stack wave washers with flat washer in between.

Uses include:

  • Preload for shafts
  • Cushion springs
  • Endplay reduction
  • Reduce vibration

For help in selecting a Wave Spring Washer, contact us and we will assist you with the design.

Tolerances  
Outisde Diameter............. ± .010
Inside Diameter................ Up to/including No. 10: ± .005
Over No. 10: ± .010
Thickness......................... Commercial
Overall Height.................. + .005 to – .015 as stamped
Some distortion may occur in heat treatment.
   
Load Range  
PSI.................................. Pounds to hundreds of pounds - light to medium loads
   
Load Characteristics  
Spring Rate...................... Linear and increases exponentially by the cube of the
thickness and exponentially with the number of waves
Near Flat Position............ Erratic

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