Belt drives reduce this risk, because belts slip if the system freezes, thus preventing breakage. Should a rotational component become blocked while in operation, the entire power transmission system can be damaged with chains or gears. The protective cover (generally an elastic cover made of rubber-impregnated fabric that is slip-resistant and durable) is a heat-resistant layer that protects the belt's inner components. It is made from a tough rubber compound that exerts a wedging force against the pulley groove to increase adherence without deformation. The bottom, or compression section, is designed to withstand compression. This file type includes high resolution graphics and schematics when applicable. Prestretched tension-member cords (polyester, aramide, steel, fiberglass) also minimize stretch. In this manner, heat build-up is reduced, extending belt life. It helps hold tension members in place and acts as a binder for greater adhesion between cords and other sections. The top part of the belt, called the tension or insulation section, contains fiber cords for increased strength as it carries the load of traction force. Now, the increased overall surface material of modern belts adheres to pulley grooves through friction force, to reduce the tension required to transmit torque. V-belts, with a trapezoidal or V shape, made of rubber, neoprene, and urethane synthetic materials, replaced flat belts. Later, demands for more powerful machinery, and the growth of large markets such as the automobile industry spurred new belt designs. Then, flat belts conveyed power over large distances and were made from leather. Belt makeupīelt drives are one of the earliest power transmission systems and were widely used during the Industrial Revolution. For this reason, it is important to select a belt appropriate for the application at hand. Here's the catch: Standard friction drives can both slip and creep, resulting in inexact velocity ratios or degraded timing precision between input and output shafts. V-belt drives are also easy to install, require no lubrication, and dampen shock load. But V-belt drive systems, also called friction drives (because power is transmitted as a result of the belt's adherence to the pulley) are an economical option for industrial, automotive, commercial, agricultural, and home appliance applications. The Sand Seal edition is recommended for higher displacement engine builds (i.e., 1910cc and larger) as well as all off road applications.The most common systems for transmitting power from a drive to a driven shaft are belt, gear, and chain drives. So, if you’re a fan of the traditional look and MST’s superior quality, look no further!Īlso available in Sand Seal. Cutouts available in Renegade and Matador only.ĪLL Timing marks are CNC engraved! Includes markings at TDC and BDC for easier valve adjustments. The new V-Belt System is available in polished aluminum and all MST Solid Colors (Red, Black, Blue and Lime Green). Fits all upright, aircooled VW engines.Ĭrank Pulley measures 6 ¾” Dia. Kit fits both Alternator and Generator setups. Everything you need to make the upgrade in one kit! Your kit will also include custom MST Stainless Steel Crank Bolt and Alternator Nut as well as Alternator Pulley Shims and Belt. Easy to install and looks great! Pulleys are precision machined from aircraft quality T6 Aluminum Billet allowing for smooth and consistent operation. We took the same great precision design from our proven serpentine system and developed a kit for the “Traditionalist” at heart. It’s finally here – the ALL NEW MST V-Belt Pulley System.
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