A Belleville washer,also known as conical disc spring,belleville spring,conical spring washer,or cupped spring washer,can produce high loads in tiny area and has a high spring rate. These washers can be stacked together in te same orientation alternating orientation,or used as a single spring. belleville washers are maufactured as per DIN 6796 and DIN6908 Standards.Belleville washers are designed specifically for heavy duty bolted section such as Bus bars,Transformers,Rectifiers,Heat Exchangers ,trasmissions etc.
Their configuration varies and can be classified into different groups based on the thickness of the material,the inner and outer diameter of these springs.Stampco India has all Standard Sizes of Belleville Wahers in HIghcarbons Steel ,Stainless steel 300 series,InconeIR,17-7PH etc. With a variety of surface finishes.
1.To solve the problem of fastener due to Bolt Loosening
2.Simple,Reusable&Reduces Maintenance cost
3.No lubrication requires and no failure in locking if there is lubrication
4.Available is stock to fit Standard Bolt size
5.No friction during Locking and Vibration thus No damage wear and tear to Bolts
6.Available in variety of materiral to suit similar working temperature of bolts
7.Results in joint integrity