Solon Publishes Belleville Springs White Paper
Solon Publishes Belleville Springs White Paper
John Wolz
Solon Manufacturing Co. published a white paper titled “Maintaining Bolt Preload on Electrical Connections Using Belleville Springs.””
Electrical connections are often made up of materials that have various coefficients of thermal expansion, chief engineer George Davet explained. Joint materials also carry more current than the bolts causing joints to heat up more than the bolts. That leads to an increase in bolt load and potential for joint material to yield. Belleville springs are commonly used on electrical connections to counteract the effects of differential thermal expansion by maintaining sufficient load on bolted electrical connections during and after temperature cycles. The paper discusses causes of bolt preload loss, movement of bolted joints and testing of Belleville springs and provides an application guide.
To obtain the white paper e-mail: gdavet@solonmfg.com or call Solon.
Founded in 1949, Solon manufactures Belleville springs and industrial controls for a variety of applications and industries worldwide. Solon is headquartered at 425 Center St., Chardon, OH 44024. Tel: 440 286-7149 or 800 323-9717 Fax 440 286-9047 Web: solonmfg.com �2007 FastenerNews.com
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