Two shafts whose centres are 1 m apart are connected by a V-belt drive. The driving pulley is supplied with 100 kW and has an effective diameter of 300 mm. It runs at 1000 r.p.m. while the driven pulley runs at 375 r.p.m. The angle of groove on the pulleys is 40°. The permissible tension in 400 mm² cross-sectional area belt is 2.1 MPa. The density of the belt is 1100 kg/m³. The coefficient of friction between the belt and pulley is 0.28. Estimate the number of belts required. [Ans. 10]
Two shafts whose centres are 1 m apart are connected by a V-belt drive. The driving pulley is supplied with 100 kW and has an effective diameter of 300 mm. It runs at 1000 r.p.m. while the driven pulley runs at 375 r.p.m. The angle of groove on the pulleys is 40°. The permissible tension in 400 mm² cross-sectional area belt is 2.1 MPa. The density of the belt is 1100 kg/m³. The coefficient of friction between the belt and pulley is 0.28. Estimate the number of belts required. [Ans. 10]
International Edition---engineering Mechanics: Statics, 4th Edition
4th Edition
ISBN:9781305501607
Author:Andrew Pytel And Jaan Kiusalaas
Publisher:Andrew Pytel And Jaan Kiusalaas
Chapter7: Dry Friction
Section: Chapter Questions
Problem 7.70P: Solve Sample Problem 7.16 if the contact pressure under the polisher varies parabolically from p0 at...
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