Presentation during the TVS 2017 on "Influence of damping factors on coupling applications" (Dipl.-Ing. Claudia Mühlberger, Geislinger GmbH) Learn more 👉 bit.ly/3wBjteC
Torsional elastic couplings can be used for a very wide range of applications. The first part of this presentation shows a spring type coupling which has been optimized for acoustic applications. Due to the improved engine mounts most of the engine vibrations have been eliminated. Therefore the secondary path from the engine via the coupling into the gearbox and finally into the surrounding structure has become more critical. The specific design of this acoustic torsional elastic steel spring coupling shows very low fricition which can reduce the gearbox vibratory torque to a uniquely low value. Another benefits is a very linear torsional stiffness behavior, also evident when applying low torsional vibratory torques. The second parts shows an application where high fricition is needed, for example on a genset application. In such a case high friction and damping torques are needed when passing through resonances during the engine run up. To summarize, it can be seen that spring tpye couplings can be optimized and tuned for a very wide range as far as stiffness, damping and friction are concerned.
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