RSK-KC Chain Couplings for Power Transmission Easy Installation Lower Alignment Requirements

The KC Chain Coupling, fully known as the “Roller Chain Coupling,” is a mechanical element that transmits power through the meshing of double-strand or multi-strand roller chains with two sprocket-type half-couplings of the same number of teeth.

Its core principle relies on the “flexibility” of the chain to compensate for relative displacement between two shafts, while utilizing the meshing between the sprocket teeth and chain rollers to transmit torque. It belongs to the category of flexible couplings without elastic elements. Its compensation capability primarily stems from the clearance within the chain hinges and the chain’s inherent flexibility.

A standard KC chain coupling mainly consists of the following components:

Two Sprocket-Type Half-Couplings: Identical in shape to sprockets, typically made of high-quality alloy steel, and connected to the driving and driven shafts via keys, taper bushes, etc.

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