The belt pulley is a mechanical transmission device used to transfer power and motion, typically made of metal or plastic, featuring a central shaft hole and rim grooves that work in conjunction with belts. Its types include single-groove, multi-groove, and adjustable belt pulleys, widely applied in engines, electric motors, pumps, and other equipment. Belt drives offer advantages such as cushioning, low noise, and easy maintenance, but they also have drawbacks like slippage and belt wear. Overall, the belt pulley is an efficient and flexible transmission component suitable for various industrial and everyday applications.
