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Belt Drives

About Belt Drives

Belt drives are used to transmit power in a variety of applications. They are made of flexible materials such as leather, woven cotton, natural or synthetic rubber, balata, woven textiles, or polyurethane. Belt drives are one of the cleanest primary drive systems because they do not require lubrication. They are often used as an alternative to a chain or shaft drive and serve to transfer power to the rear wheel. Typically, a belt drive is attached between a sprocket attached to the transmission output and a sprocket attached to the rear wheel.

A belt drive transmits rotary motion from one shaft to another. A primary belt drive is better for suited for greater distances with smaller forces. Belt drives are installed with substantial tension to create friction that allows the belts to grip the pulleys. This enables the pulleys to turn and prevents the belts from slipping. Both flat belt drives and V-belt drives run on grooved pulleys. A V-belt drive provides better torque transfer than a flat belt drive. A clutch belt drive works with a belt drive pulley to serve as both the clutch and the gear system. Round belt pulleys are used in drives and mechanical systems with O-ring belts, round belts, cables, ropes, and wires. A belt drive pulley is used for transferring power when using belts as gearing.

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Products & Services Related to Belt Drives

Adjustable Speed Drives
Adjustable speed drives alter the speed of a driven shaft to a speed selected by an operator.
ANSI Roller Chain Sprockets
English roller chain sprockets engage chains in many different power transmission and conveyor systems. Sprockets and chains are often an economic, reliable drive system for long running, continuous drive applications with limited shock and torque loads. English sprockets are classified according to ANSI number designations.
Chain Drives
Chain drives use a chain connected between a sprocket at the transmission output and a sprocket attached to the rear wheel. Drive chains consist of a number of links that contain pins, rollers, bushings, and plates.
ISO Roller Chain Sprockets
Metric roller chain sprockets engage chains in many different power transmission and conveyor systems. Sprockets and chains are often an economic, reliable drive system for long running, continuous drive applications with limited shock and torque loads. Metric sprockets are classified according to ISO number designations.
Variable Transmissions
Variable transmissions are used in industrial applications to alter the speed of an output shaft.

Other Topics You Might Be Interested In

  • Techical Article: Timing Belt Drives
    Timing belts and pulleys offer a positive drive through the engagement of molded teeth in the belt with accurately spaced grooves on the pulley. The action of belt teeth entering and leaving the...
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  • White Paper Download: Belt Drives
    Timing belts are parts of synchronous drives which represent an important category of drives. Characteristically, these drives employ the positive engagement of two sets of meshing teeth. Hence, they...
    (read more)
  • White Paper Download: Belt Drives
    Timing belts are parts of synchronous drives which represent an important category of drives. Characteristically, these drives employ the positive engagement of two sets of meshing teeth. Hence, they...
    (read more)

Engineering Web: Belt Drives

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ISA | Belt Drives
Belt Drives Non-Member Price: $995.00 The two most common drive systems are belt drives and chain drives.
See International Society of Automation Information
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Chain Drives
Chain Drives JavaScript Disabled Your web browser does not have JavaScript enabled.
See Grainger Industrial Supply Profile & Catalog
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Part Numbers for Belt Drives

Part # Distributor Manufacturer Product Category Description
Elite Astra/Forte Drive Belt Amazon Polytech Design NJ Automotive Parts and Accessories 125cc 4 Stroke Scooter Drive Belt - 743-20-30

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