An elastomer (elastic polymer) is a type of plastic with high failure strain. Mechanical power transmission elastomeric couplings use this property to connect driving and driven equipment with a tough, flexible and lightweight connecting element.
Many elastomeric coupling brands have joints with limited travel distances between the joint components. Often, couplings have severe limitations on size, service clearance and rotational inertia. These factors make an accurate coupling design a difficult task, which can be helped by a clearer understanding of the coupling’s functions.