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Elastomer Couplings

Published Jun 27, 2011

The couplings are designed to transmit torque (by connecting two shafts) while damping system vibrations, compensating for misalignment and protecting other components from damage.

The couplings are composed of three parts, two metallic hubs and an insert called an element. These vary in material depending on the type and torque to be transmitted.

The element of the jaw coupling is made of elastomer and "spider" shaped which press fits between the two hubs. The jaw from each hub fits alternately with the lobes of the spider. The curved jaws of the hubs reduce deformation of the spider to maintain the zero-backlash fit.

The elastomer of the spider can be made in different hardnesses, which allows the user to customise the coupling so that it absorbs more or less vibration.

For assistance with selecting the correct type of coupling for your application, please do not hesitate to contact us.