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Conical discs are widely used as compression springs to support large loads, when space in the direction of loading is limited. These washers may be stacked for increased loads and/or deflection. (See Hi-Stak™ Spring Pak™.)

Certain conical disc spring designs permit the washer to have “oil canning” or “snap through” characteristics. (Snap through is when a washer is stable on either side of the flat position.)

True Belleville washers do not take on a permanent set on application. A permanent set, due to stresses exceeding the elastic limit of the washer material, can result in internal strains and washer failures. Conical Disc Spring Washers will take on a permanent set when over stressed.

Uses include:

• Substitution for coil spring
• Provide heavy preload
• Preload for shafts
• Provide tension control when using dissimilar metals
• Reduce vibration
• Bus bar applications

For help in selecting a Belleville Type Conical Disc Spring Washer, contact us and we will assist you with the design.

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