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 because of this of the belt’s adherence to the pulley) are an economical option for industrial, automotive, commercial, agricultural, and home appliance applications. V-belt drives are also simple to install, need no lubrication, and dampen shock load.
Here’s the catch: Regular friction drives can both slip and creep, leading to inexact velocity ratios or degraded timing precision between insight and output shafts. Because of this, it is important to choose a belt befitting the application at hand.
Belt drives are among the earliest power tranny systems and were widely used through the Industrial Revolution. Then, flat belts conveyed power over large distances and were made from leather. Later, needs for better machinery, and the development of large markets such as the automobile sector spurred new belt styles. V-belts, with a trapezoidal or V shape, made of rubber, neoprene, and urethane synthetic materials, replaced flat belts. Now, the increased overall surface area material of modern belts adheres to pulley grooves through friction power, to lessen the tension required to transmit torque. The very best portion of the belt, called the strain or insulation section, contains fiber cords for increased strength as it carries the strain of traction force. It can help hold tension members set up and acts as a binder for higher adhesion between cords and additional 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 structure for reliable, long-enduring performance.
V-Belts are the most typical type of drive belt used for power transmission. Their primary function is usually to transmit power from a main source, such as a motor, to a second driven unit. They provide the best combination of traction, acceleration transfer, load distribution, and extended service life. The majority are endless and their cross v belt china section can be trapezoidal or “V” formed. The “V” form of the belt tracks in a similarly designed groove on a pulley or sheave. The v-belt wedges in to the groove as the strain increases creating power distribution and torque. V-belts are generally manufactured from rubber or polymer or there could be fibers embedded for added power and reinforcement.
V-belts are generally found in two construction groups: envelope (wrapped) and raw edge.

Wrapped belts have an increased resistance to oils and intense temperature ranges. They can be utilized as friction clutches during start up.
Raw edge type v-belts are better, generate less heat, enable smaller pulley diameters, increase power ratings, and provide longer life.
V-belts look like relatively benign and basic devices. Just measure the top width and circumference, find another belt with the same dimensions, and slap it on the drive. There’s only 1 problem: that approach is approximately as wrong as you can get.