How the presence of a fabric cover on raw edge V belts impacts performance?

1. Improved Flexibility: Without a fabric cover, raw edge V belts can be more rigid and less flexible. This can lead to increased bending resistance and reduced performance when used on smaller pulleys. However, with a fabric cover, the belt becomes more pliable and can conform better to the shape of the pulley, allowing for smoother operation and improved power transmission.

For example, in automotive applications, a fabric-covered raw edge V belt can be used in a serpentine belt system, where the belt needs to navigate around various pulleys of different diameters. The fabric cover ensures that the belt is flexible enough to perform well in this setup.

2. Reduced Friction and Heat Generation: The fabric cover acts as a protective layer that reduces friction between the belt and the pulleys, as well as heat generation during operation. Increased friction can lead to energy loss and reduced efficiency. The fabric cover helps to minimize this friction and heat build-up, thereby improving overall performance.

In industrial applications, such as conveyor systems or power transmission machinery, a fabric-covered raw edge V belt can help to optimize performance by reducing the amount of heat generated during operation and ensuring efficient power transfer.

Overall, the presence of a fabric cover on raw edge V belts contributes to improved flexibility, reduced friction, and enhanced overall performance.