DME-II Online Assignment-2

Student Details

Problem-1


Refer above video tutorial to solve Problem-1

Pb-1
A multi disk clutch consists of 6 steel plates and 6 bronze plates. The inner and outer diameter of friction disks are 61mm and 245mmrespectively. The co-efficient of friction is 0.1 and the intensity of pressure is limited to 0.3N/mm2. Assuming uniform pressure theory and wear theory. Calculate Power transmitting capacity at 500rpm


Enter your answers


Problem-2


Refer above video tutorial to solve Problem-2

Pb-2
An automotive type internal expanding double shoe brake is shown in figure. The face width of the friction lining is 53mm and the maximum intensity of normal pressure is limited to 3N/mm2 . The co-efficient of friction is 0.32. The angle A1 can be assumed as zero.
Dimensions of the brake are given below.
A2 =139
R=192
d1=99
d2= 72
d3=50
Calculate operationg force P1 and P2.



Enter your answer
Designed by Dr. M. Raja Roy, Associate Professor, Mechanical Engineering Department