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belts and chains
Member rating: No Rating | Words: | Submitted: Fri Feb 02 2007
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Introduction: Belts and chains represent the major types of flexible power transmission elements. In general, belt drives are applied where the rotational speed are relatively high, as on the first stage of speed reduction from a motor or engine. Chain drives are typically applied at lower speeds, with the consequent higher torques. In this assignment, we are required to design a chain drive for a uniformly loaded conveyor, and a V-belt drive for a diesel engine. A. Requirements for chain drive: 1. It is used for a uniformly loaded conveyor. 2. To be driven by a gasoline engine through a mechanical drive. 3. Input speed is 900rpm. 4. Output speed is 230 to 240rpm. (On average 235rpm) 5. The conveyor requires 12kW power. 6. Normally run 12 hours daily. Chain transmission: 1. Service factor = 1.1 2. Design power = conveyer power required * service factor = 12 * 1.1 = 13.2kW 3. By referring to table 2...
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