A 15kW electric motor, which is running at 43 rev/s, is used todrive a crusher which operates 24 hours per day. An engineer hasspecified 212 mm and 315 mm pitch diameters for small pulley andlarge pulley respectively; and C 3454 V-belt type.
a) What should be the conservative service factor for this beltand pulley system?
b) Calculate the center distance between the pulleys?
c) Calculate allowable power, design power and required numberof belts. (Take design factor nd as 1.)
d) Calculate centrifugal tension, forces at tension side andloose side, initial tension and factor of safety. (Take frictioncoefficient including wedge effect as 0.5123.)
