A multiple vee-belt drive is required to transmit 4 kW. The smaller pulley has of the system has a diameter 150 mm and rotates at 200 rev/min. The grove angle is 40° and the coefficient of friction between the belt and pulley is 0·3. (a) If the maximum tension in any one belt is limited to 800 N and the angle of lap is 135°, determine the number of belts required. (b) Determine also, the initial pre-tension required in the belt.

A multiple vee-belt drive is required to transmit 4 kW. The smaller pulley has of the system has a diameter 150 mm and rotates at 200 rev/min. The grove angle is 40° and the coefficient of friction between the belt and pulley is 0·3. (a) If the maximum tension in any one belt is limited to 800 N and the angle of lap is 135°, determine the number of belts required. (b) Determine also, the initial pre-tension required in the belt.

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 7.57P: The square-threaded screw with a pitch of 10 mm and a mean radius of 18 mm drives a gear that has a...

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