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Types of Belts and Pulleys - Research Paper Example

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Types of Belts and Pulleys

These belts are categorized into industrial (narrow, conventional, light-duty and double V cross section), automotive and agricultural. V belts have reinforcing cords in the belt that provide load-carrying capacity. This reinforcement is made of nylon, steel, rayon or glass fibers embedded in a cushion section (soft rubber material). The cushion section is externally covered with tough rubber and the interior is covered with a material that is resistant to abrasion. As the belt bends around the pulley, the length of its pitch line remains the same. The pitch diameter if the pulley is determined using the pitch line (Jadon & Verma, 2010). Flat belts:These types of belts are normally used in applications where high speeds are required or long center distances are involved. Flat belts are more efficient at high speeds compared to low speeds since they tend to slip under load. They are also used where drives which have nonparallel shafts are necessary as they allow twisting to contain the relationship of the shafts. Positive drive belts:These belts have a notched underside that establishes contact with a pulley with similar design on the circumference. The belts have similar benefits to chain and gear drives because of their positive contact with the pulley. Positive drive belts are appropriate in operations where high efficiency, constant velocity of timing is required. They can also be used to reduce the size of the pulley and provide the same operating performance as large sized V-belt pulleys (Jadon & Verma, 2010). ...Show more


In the paper “Types of Belts and Pulleys” the author analyzes belts, which are used for power transmission from one shaft to another quietly, smoothly and economically. They are made of continuous construction from materials like leather strands, fabric, rubberized cord, nylon, steel.

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