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The most common systems for transmitting power from a drive to a driven shaft are belt, gear, and chain drives. But V-belt drive systems, also known as friction drives (because power is transmitted as a result of the belt’s adherence to the pulley) are an economical option for industrial, auto, commercial, agricultural, and house appliance applications. V-belt drives are also easy to install, need no lubrication, and dampen shock load.
Here’s the catch: Standard friction drives can both slide and creep, resulting in inexact velocity ratios or degraded timing precision between input and output shafts. Because of this, it is important to choose a belt befitting the application accessible.
Belt drives are one of the earliest power tranny systems and were widely used during the Industrial Revolution. After that, toned belts conveyed power over large distances and were created from leather. Later, needs for better machinery, and the growth of large markets such as the automobile sector spurred new belt designs. V-belts, with a trapezoidal or V shape, manufactured from rubber, neoprene, and urethane synthetic materials, replaced smooth belts. Now, the improved overall surface area material of contemporary belts adheres to pulley grooves through friction power, to lessen the tension necessary to transmit torque. The very best part of the belt, called the strain or insulation section, includes fiber cords for improved strength as it carries the strain of traction push. It can help hold tension members in place and functions as a binder for better adhesion between cords and other sections. In this manner, heat build-up is reduced, extending belt life.
We’ve designed our V-belts for wear, corrosion, and heat level of resistance with OE quality match and building for reliable, long-enduring performance.
V-Belts are the most typical type of drive belt used for power tranny. Their primary function can be to transmit power from a principal source, just like a engine, to a second driven unit. They offer the best mixture of traction, acceleration transfer, load distribution, and extended service life. The majority are unlimited and their cross section is trapezoidal or “V” shaped. The “V” form of the belt tracks in a likewise designed groove on a pulley or sheave. The v-belt wedges in to the groove as v belt201909231336384530110the strain improves V Belt creating power distribution and torque. V-belts are commonly manufactured from rubber or polymer or there could be fibers embedded for added strength and reinforcement.
V-belts are generally found in two construction types: envelope (wrapped) and raw edge.

Wrapped belts have a higher resistance to oils and severe temperatures. They can be utilized as friction clutches during set up.
Raw edge type v-belts are better, generate less heat, allow for smaller pulley diameters, increase power ratings, and provide longer life.
V-belts look like relatively benign and basic devices. Just measure the best width and circumference, find another belt with the same dimensions, and slap it on the drive. There’s only one problem: that strategy is about as wrong as you can get.



As one of the leading manufacturers, suppliers, and exporters of mechanical products, We offer reducers, sprockets, industrial and conveyor chains, belts, pulleys, gears, racks, gearboxes, motors, PTO Shafts, taper lock Bushing, and many other products. Please get in touch with us for details.

SSJ UK Limited
Sara Jones
Mail: [email protected]
TEL: + 44 7944 869861
ADDR.: Bury St Edmunds, Suffolk IP32 7LX, UK

TEL: +39 0522 1606 388; +39 3471 65 17 22
ADDR.:Via Pasteur, Reggio Emilia, Italy

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