TR Systems said its new series of highly torsionally-flexible disc couplings has been developed for use in diesel engine main drives for power generators. In these fields of application, KTR said the coupling series must feature particularly torsionally soft elasticity to uncouple the vibrations in the drive train generated by the diesel engine. The new Sinulastic series is a disc coupling with radial load path, with a highly torsionally flexible elastomer element used between the external flange ring and the coupling hub, damping the torsional vibrations that are generated in the system by the engine, respectively shifting the operating range above the critical speed. Depending on the Shore hardness of the elastomer, torsion angles from 13° to 18° are reached.
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