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[[Category:Parts]]
[[Category:Motion parts]]

=Introduction=
A sheave or pulley wheel is a grooved wheel often used for holding a belt, wire rope, or rope and incorporated into a pulley. The sheave spins on an axle or bearing inside the frame of the pulley. This allows the wire or rope to move freely, minimizing friction and wear on the cable. Sheaves can be used to redirect a cable or rope, lift loads, and transmit power. The words sheave and pulley are sometimes used interchangeably. 

=Challenges=

=Approaches=

=References=
* [https://en.wikipedia.org/wiki/Sheave Wikipedia: Sheave]