What is a sheave?

A sheave, also known as a pulley, is a wheel on an axle or shaft that is designed to allow a rope, cable, or belt to run along its perimeter. Sheaves are commonly used in machinery and equipment to change the direction of a force, transmit power, or provide mechanical advantage.

Sheaves are typically made of metal, plastic, or other durable materials and come in various shapes and sizes depending on their intended use. They can be found in a wide range of applications, including cranes, elevators, conveyor systems, and sailing vessels.

Sheaves are often used in conjunction with other components, such as hooks, blocks, and wire rope, to create a complete lifting or pulling system. They can also be designed with different groove profiles to accommodate specific types of ropes or cables.

Overall, sheaves play a crucial role in mechanical systems by facilitating the movement of materials and loads efficiently and safely.