How V Belts Work

Unlike flat belts, which rely solely on friction and can track and slip off pulleys, V belts have sidewalls that fit into corresponding sheave grooves, providing additional surface area and greater stability.

As belts operate, belt tension applies a wedging force perpendicular to their tops, pushing their sidewalls against the sides of the sheave grooves, which multiplies frictional forces that allow the drive to transmit higher loads. How a V belt fits into the groove of the sheave while operating under tension impacts its performance.

V belts are made from rubber or synthetic rubber stocks, so they have the flexibility to bend around the sheaves in drive systems. Fabric materials of various kinds may cover the stock material to provide a layer of protection and reinforcement.

This article comes from PTE edit released

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