v belt

Engineering a notched belt is certainly a balancing act among versatility, tensile cord support, and stress distribution. Precisely designed and spaced notches help to evenly distribute stress forces as the belt bends, thereby helping to prevent undercord cracking and extending belt lifestyle.

Like their synchronous belt cousins, V Belt V-belts have undergone tremendous technological development since their invention by John Gates in 1917. New synthetic rubber compounds, cover materials, construction strategies, tensile cord advancements, and cross-section profiles have resulted in an often confusing array of V-belts that are extremely application specific and deliver vastly different degrees of performance.
Unlike flat belts, which rely solely on friction and may track and slide off pulleys, V-belts possess sidewalls that match corresponding sheave grooves, providing additional surface area and greater stability. As belts operate, belt tension applies a wedging pressure perpendicular to their tops, pressing their sidewalls against the sides of the sheave grooves, which multiplies frictional forces that allow the drive to transmit higher loads. What sort of V-belt fits into the groove of the sheave while working under tension impacts its performance.
V-belts are made from rubber or synthetic rubber stocks, so they have the flexibility to bend around the sheaves in drive systems. Fabric materials of varied kinds may cover the share material to provide a layer of safety and reinforcement.
V-belts are manufactured in various industry regular cross-sections, or profiles
The classical V-belt profile dates back to industry standards developed in the 1930s. Belts manufactured with this profile can be found in several sizes (A, B, C, D, E) and lengths, and are widely used to displace V-belts in older, existing applications.
They are accustomed to replace belts on commercial machinery manufactured in other parts of the world.
All the V-belt types noted above are usually available from manufacturers in “notched” or “cogged” variations. Notches reduce bending stress, allowing the belt to wrap more easily around little diameter pulleys and permitting better high temperature dissipation. Excessive warmth is a significant contributor to premature belt failing.

Wrapped belts have an increased resistance to oils and extreme temps. They can be utilized as friction clutches during start up.
Raw edge type v-belts are more efficient, generate less heat, allow for smaller pulley diameters, boost power ratings, and offer longer life.
V-belts look like 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 one problem: that strategy is about as wrong as you can get.

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