FREEPHONE:+86(411)82688288 TEC Belting Company Products:V-Belt Conveyor Belt Transmission Belt Automotive Timing Belt Ribbed Belt

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         We, TEC BELTING COMPANY, the subsidiary of TEC GROUP INC. are one of the biggest suppliers in China who specializes in the manufacture of all kinds of Power Transmission Belts and Conveyor Belts, including Industrial Belt, Agricultural Belt, Automotive Belt, Motorcycle Belt, Fabri…

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  • Address: Industrial Zone, Dalian, China
  • Tel: +86(411)82688288
  • Fax: +86(411)82688288
  • E-mail: sales@tecgroupinc.com

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Belt and Pulley Systems (四)

Just as the diameters of gears (and, correspondingly, their number of teeth) determine a gear ratio and thus the speed increases or reductions and the mechanical advantage that they can deliver, the diameters of pulleys determine those same factors. Cone pulleys and step pulleys (which operate on the same principle, although the names tend to be applied to flat belt versions and V belt versions, respectively) are a way to provide multiple drive ratios in a belt-and-pulley system that can be shifted as needed, just as a transmission provides this function with a gear train that can be shifted. V belt step pulleys are the most common way that drill presses deliver a range of spindle speeds.