Flexible Coupling

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Flexible Coupling - They couple or connect rotating members such as motors and drive shafts while allowing misalignment in either angular or parallel offset orientation. Coupling types can be sliding block, roller or silent chain. When searching for flexible couplings some mechanical properties are to be considered. These include rated torque, rated speed, torsional stiffness, and backlash. Rated torque is the maximum service torque for which coupling is rated. The rated speed is the maximum rated rotational speed of coupling. Stiffness is expressed in torque per unit angular deformation. Backlash is the rotational position loss due to a direction change. Rigid Coupling - Connect or couple rotating members such as shafts. They secure onto both members and provide transmission of torque and motion. They do not allow for angular or parallel misalignment. Mounting There are many methods to mount couplings on a shaft. For motors with access to the rear end of the shaft, couplings can be pressed directly onto the shaft. Another method is to secure couplings to the shaft with a setscrew. The presence of a flat on the shaft helps prevent slipping. It can also be mounted with the help of adhesives. Adhesive should be applied to the couplings and not to the shaft directly. Couplings can be pinned by drilling a cross-hole across the shaft.

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Zhenjiang Suoda

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