What are the main functions shared by couplings and clutches?

[ONatalie]

Couplings and clutches both primarily serve to connect shafts (or other moving parts) to transmit motion and torque. They can also function as safety devices for overload protection. The differences between couplings and clutches: Couplings generally cannot be separated during machine operation and can only be disconnected after shutdown, while clutches can be engaged or disengaged at any time during machine operation. Coupling classification: Includes two types - with elastic elements and without elastic elements. Functions: Those without elastic elements can transmit motion and torque while providing angular, radial, and axial displacement compensation. Those with elastic elements, in addition to the characteristics of non-elastic couplings, also have vibration damping and cushioning effects. Clutch classification: Meshing type and friction type. Characteristics and functions of meshing clutches: Capable of transmitting large torque with small external dimensions, ensuring synchronous rotation of driving and driven shafts. Includes jaw-type, turning-key type, and sliding-pin type. Characteristics and functions of friction clutches: Allow engagement at higher speeds and slip during overload, providing protection.