A CENTRIFUGAL CLUTCH HAS FOUR SHOES WHICH SLIDE RADIALLY IN A SPIDER KEYED TO THE DRIVING SHAFT AND MAKE CONTACT WITH THE INTERNAL CYLINDRICAL SURFACE OF A RIM KEYED TO THE DRIVEN SHAFT. WHEN THE CLUTCH IS AT REST EACH SHOE IS PULLED AGAINSTA STOP BY A SPRING SO AS TO LEAVE A RADIAL CLEARANCE OF 5MM BETWEEN THE SHOE AND THE RIM. THE PULL EXERTED BY THE SPRING IS THEN 50ON. THE MASS CENTRE OF THE SHOE IS 160 MM FROM THE AXIS OF THE CLUTCH. IF THE INTERNAL DIAMETER OF THE RIM IS 400 MM. THE MASS OF THE EACH SHOE IS 8KG. THE STIFFNESS OF EACH SPRING IS 50N/MM AND THE COEFFICIENT OF FRICTION BETWEEN THE SHOE AND THE RIMIS 0.3: FIND THE POWER TRANSMITTED BY THE CLUTCH AT 500 R.P.M.

A CENTRIFUGAL CLUTCH HAS FOUR SHOES WHICH SLIDE RADIALLY IN A SPIDER KEYED TO THE DRIVING SHAFT AND MAKE CONTACT WITH THE INTERNAL CYLINDRICAL SURFACE OF A RIM KEYED TO THE DRIVEN SHAFT. WHEN THE CLUTCH IS AT REST EACH SHOE IS PULLED AGAINSTA STOP BY A SPRING SO AS TO LEAVE A RADIAL CLEARANCE OF 5MM BETWEEN THE SHOE AND THE RIM. THE PULL EXERTED BY THE SPRING IS THEN 50ON. THE MASS CENTRE OF THE SHOE IS 160 MM FROM THE AXIS OF THE CLUTCH. IF THE INTERNAL DIAMETER OF THE RIM IS 400 MM. THE MASS OF THE EACH SHOE IS 8KG. THE STIFFNESS OF EACH SPRING IS 50N/MM AND THE COEFFICIENT OF FRICTION BETWEEN THE SHOE AND THE RIMIS 0.3: FIND THE POWER TRANSMITTED BY THE CLUTCH AT 500 R.P.M.

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 7.77P: The cone clutch transmits the torque C through a conical friction surface with cone angle . The...

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