The most typical 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 usually 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, need no lubrication, and dampen shock load.
Here’s 
the catch: Regular friction drives can both slide and creep, resulting in inexact velocity ratios or degraded timing precision between input and output shafts. For this reason, it is important to select a belt appropriate for the application at hand.
Belt drives are among the earliest power transmitting systems and were widely used through the Industrial Revolution. After that, smooth belts conveyed power over huge distances and were made from leather. Later, needs for more powerful machinery, and the growth of large markets such as the automobile industry 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 improved overall surface material of contemporary belts adheres to pulley grooves through friction power, to lessen the tension necessary to transmit torque. The top part of the belt, known as the strain or insulation section, includes fiber cords for increased strength since it carries the load of traction drive. It helps hold tension members set up and works as a binder for greater adhesion between cords and various other sections. In this manner, heat build-up is reduced, extending belt life.
We’ve designed our V-belts for wear, corrosion, and heat resistance with OE quality match and building for reliable, long-lasting performance.
V-Belts are the most common type of drive belt used for power transmitting. Their primary function is usually to transmit power from a principal source, like a engine, to a secondary driven unit. They provide the best mixture of traction, velocity transfer, load distribution, and extended service life. The majority are V Belt unlimited and their cross section is definitely trapezoidal or “V” shaped. The “V” form of the belt tracks in a likewise shaped groove on a pulley or sheave. The v-belt wedges in to the groove as the strain raises creating power distribution and torque. V-belts are commonly made of rubber or polymer or there could be fibers embedded for added strength and reinforcement.
V-belts are generally within two construction categories: envelope (wrapped) and raw edge.
Wrapped belts have an increased level of resistance to oils and intense temps. They can be utilized as friction clutches during set up.
Raw edge type v-belts are more efficient, generate less heat, allow for smaller pulley diameters, enhance power ratings, and provide longer life.
V-belts appear to be relatively benign and basic pieces of equipment. Just measure the best width and circumference, discover another belt with the same dimensions, and slap it on the drive. There’s only 1 problem: that strategy is about as wrong as you can get.