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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 definitely transmitted as a result of the belt’s adherence to the pulley) are an economical option for industrial, auto, commercial, agricultural, and home appliance applications. V-belt drives are also simple to install, require no lubrication, and dampen shock load.
Here’s the catch: Standard friction drives may both slide and creep, leading to inexact v belt china velocity ratios or degraded timing precision between input and output shafts. For this reason, it is important to choose a belt appropriate for the application at hand.
Belt drives are among the earliest power transmission systems and were widely used through the Industrial Revolution. After that, toned belts conveyed power over huge distances and were created from leather. Later, needs for more powerful machinery, and the growth of large markets such as the automobile industry spurred new belt designs. V-belts, with a trapezoidal or V shape, made of 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 force, to reduce the tension required to transmit torque. The very best area of the belt, known as the strain or insulation section, consists of fiber cords for improved strength since it carries the load of traction push. It can help hold tension members set up and acts as a binder for better adhesion between cords and other sections. In this manner, heat build-up is decreased, extending belt life.
We’ve designed our V-belts for wear, corrosion, and heat resistance with OE quality suit and building for reliable, long-enduring performance.
V-Belts are the most common kind of drive belt used for power transmitting. Their primary function can be to transmit power from a principal source, such as a engine, to a second driven unit. They provide the best combination of traction, speed transfer, load distribution, and extended service life. Most are unlimited and their cross v belt201909231336384530110section is certainly trapezoidal or “V” shaped. The “V” shape of the belt tracks in a similarly formed groove on a pulley or sheave. The v-belt wedges in to the groove as the load increases creating power distribution and torque. V-belts are generally made of rubber or polymer or there may 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 extreme temperature ranges. They can be used as friction clutches during start up.
Raw edge type v-belts are better, generate less heat, allow for smaller pulley diameters, boost power ratings, and offer longer life.
V-belts appear to be relatively benign and basic pieces of equipment. Just measure the top width and circumference, discover another belt with the same sizes, and slap it on the drive. There’s only 1 problem: that approach is approximately 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: sara.jones@ssjgroup.com
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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