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The Engineering Edge – History of Ceramic Bearings.

For 42 years LM76 has been offering innovative solutions to problems!


THE SOUL OF A NEW IDEA In 1976, Warren Hamilton, The General Manager of J.C. Tarbell Associates,  an internationally recognized designer of plain (sleeve) bearings was asked by a customer to solve a linear ball bearing failure. At the time, Warren and his team spent most of their efforts on traditional rotary, sleeve bearing design. Applications like a revolutionary sintered, high temperature (700F+), self-lubricating aircraft engine stator vane bushing made from nickel, chromium and cobalt – eventually used in every F404 engine employed on the new F-18 Hornet – America’s new topline fighter. Getting back to the linear ball bearing issue… Warren studied the linear ball bearing failure and set-out to find a solution. The linear ball bearing was failing because of too short a stroke coupled with rapid oscillation. Up until this time, there was no solution. In 1976, the idea of ceramics was in its infancy relative to industrial designs. Warren had an idea, using an aluminum substrate and applying a ceramic coating to it might work. While struggling to find an answer, Warren had a design epiphany and the ceramic coated linear bearing – and LM76 (Linear Motion 1976) – were born. “And now you know – the rest of the story.”

LM76 has been providing The Engineering Edge for 42 years!  We welcome a challenge!

For more information, call Mike Quinn or John Tarbell at 1-800-513-3163 or email: mquinn@LM76.com

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About LM76 and “The Engineering Edge”

Founded in 1976, LM76 has been a leading designer/manufacturer of linear bearings, slides and linear motion systems. LM76 is renowned for its industry leading Minuteman PTFE Composite linear bearings. LM76 is a leading supplier of precision linear shafting: RC60, 300 Series Stainless Steel, and ceramic-coated aluminum shafting. LM76 also offers several FDA/USDA compliant linear bearings and slides for the food processing, pharmaceutical, medical, and packaging industries.

When others think catalog …   … LM76 thinks solution!

For additional information contact Mike Quinn at: LM76, 140 Industrial Dr., E. Longmeadow, MA 01028; Telephone: 413-525-4166, Fax: 413-525-3735 or E-Mail: mquinn@lm76.com or visit the website at http://www.lm76.com

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