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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:
For help in selecting a Belleville Type Conical Disc Spring Washer, contact us and we will assist you with the design.
| Tolerances |
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| 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. |
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| Load Range |
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| PSI.................................. |
Tens of pounds to tons |
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| Load Characteristics |
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| Spring Rate...................... |
Approximately linear, increasing,
decreasing after increasing, flat after increasing |
| Near Flat Position............ |
Erratic |
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