Answer to Question #276311 in Mechanical Engineering for RAVI

Question

Question No. 17      (a) Design a bushed pin type flexible coupling for connecting a motor shaft to a pump shaft for the following service conditions.

Power to be transmitted = 40 kW.

Speed of the motor shaft = 1000 RPM.

Diameter of the motor shaft = 50 mm

Diameter of the pump shaft = 45 mm.

The bearing pressure in the rubber bush and allowable stress in the pins are to be limited to 0.45 N/mm² and 25 MPa respectively.

(b) List the factors to be considered while selecting the material for design of Machine element.

Answer 1

Answer is given below with figures and tables: