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Crane couplings are key devices that connect various components of the crane transmission system (such as motors, reducers, drums, etc.). They are used to transmit torque and compensate for installation errors to ensure smooth power transmission. Their performance directly affects the stability and life of the equipment.

Reasonable selection and maintenance of couplings can significantly improve the transmission efficiency of cranes and reduce the failure rate. The matching type needs to be selected according to the load, speed and working conditions, and regular status monitoring should be performed.