By Jon R. Mancuso
"Second version offers new fabric on coupling rankings, common objective couplings as opposed to exact goal couplings, retrofitting of lubricated couplings to nonlubricated couplings, torsional damping couplings, torquemeter couplings, and more."
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Additional info for Couplings And Joints Design Selection And Application
Disc couplings have been around for years, but with the use of finite element analysis, they can be and have been optimized for optimum characteristics. These couplings are composed completely of metal and do not require lubrication. 35). Most disc couplings use multiple thin discs rather than one thick disc or link because stresses from misalignment are a function of T3vs. Nt'. 32 Circular disc coupling. 33 Square disc coupling. 34 Scalloped disc coupling. (Courtesy of Kop-Flex, Inc. ) Link disc coupling.
Courtesy of Kop-Flex, Inc. ) Link disc coupling. (Courtesy of Ameridrives Interna- Chapter 2 52 ment applications. If the misalignment is beyond 1/2" during operation, the flexible element may fail in fatigue. D. Miscellaneous Couplings 1. 36) transmit torque through a spiral-cut beam. The beams are shaped to allow torque to be transmitted in either direction. Misalignment is accommodated by deflection of the curved beam. Metallic beam couplings can accommodate misalignment up to 1/2". These couplings are used in small equipment applications.
IV. SPECIAL-PURPOSE COUPLINGS There are two categories of special-purpose couplings: lubricated and nonlubricated. 36 Metallic beam coupling.