sprocket and toothed belt

A big V belt, also known as a broad V belt, is a type of belt used in power transmission systems. Unlike standard V belts, big V belts have a wider profile, allowing them to transmit more power. They are designed to fit into V-shaped grooves on pulleys, enabling them to grip effectively and drive machinery with increased efficiency. The design of a big V belt usually incorporates strong, durable materials like rubber or synthetic composites, which provide flexibility and strength.


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One notable feature of timing belts is their quiet operation. Because they are made from rubber and have a non-metallic composition, they generate less noise compared to their chain counterparts. However, timing belts do have a limited lifespan, typically ranging from 60,000 to 100,000 miles, after which they need to be replaced to avoid catastrophic engine failure. If a timing belt breaks, it can cause severe damage to the engine, especially in interference engines where the pistons and valves occupy the same space.


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