Which type of drive relies primarily on flexible belts?

Belt drives are systems that primarily use flexible belts to transfer power from a driving pulley to a driven pulley. They are characterized by their ability to operate over a wide range of speeds and loads, making them versatile in many mechanical applications. The belt is typically made from materials that offer good durability and flexibility, allowing for efficient energy transfer while also dampening vibrations and reducing noise.

In a belt drive system, the contact between the belt and the pulleys enables smooth and continuous motion, while providing a degree of slip, reducing the risk of damage to both the driving and driven components in case of overloads. The adjustment of tension in the belts is also a crucial aspect of maintaining the efficacy of such systems, ensuring optimal power transmission and prolonging the lifespan of the belts.

Choosing a belt drive is often advantageous for applications requiring less maintenance compared to chain or gear drives, as they typically do not require lubrication and can operate in various environmental conditions.