A shaft is supported by two bearings placed1.2 m apart. A pulley of diameter Dc=0. 675 meter is mounted at a distance of 300 mm to the right of left hand bearing and this drives a pulley directly below it with the help of belt having maximum tension of 2.25 kN. Another pulley of diameter Dd= 0.575 meteris placed 200 mm to the left of right hand bearing and is driven with the help of electric motor and belt, which is placed horizontally to the right. The angle of contact for both the pulleys is 180° and u = 0.24. Determine the suitable diameter for a solid shaft, allowing working stress of 63 MPa in tension and 42 MPain shear for the material of shaft. Assume that the torque on one pulley is equal to that on the other pulley

Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
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A shaft is supported by two bearings placed1.2 m apart. A pulley of diameter Dc=0. 675
meter is mounted at a distance of 300 mm to the right of left hand bearing and this drives a
pulley directly below it with the help of belt having maximum tension of 2.25 kN. Another
pulley of diameter Dd= 0.575 meteris placed 200 mm to the left of right hand bearing and is
driven with the help of electric motor and belt, which is placed horizontally to the right. The
angle of contact for both the pulleys is 180° and u = 0.24. Determine the suitable diameter
for a solid shaft, allowing working stress of 63 MPa in tension and 42 MPa in shearfor the
material of shaft. Assume that the torque on one pulley is equal to that on the other pulley
C
A
De m
B
Da m
0.3 m
0.2 m
1.2 m.
Transcribed Image Text:A shaft is supported by two bearings placed1.2 m apart. A pulley of diameter Dc=0. 675 meter is mounted at a distance of 300 mm to the right of left hand bearing and this drives a pulley directly below it with the help of belt having maximum tension of 2.25 kN. Another pulley of diameter Dd= 0.575 meteris placed 200 mm to the left of right hand bearing and is driven with the help of electric motor and belt, which is placed horizontally to the right. The angle of contact for both the pulleys is 180° and u = 0.24. Determine the suitable diameter for a solid shaft, allowing working stress of 63 MPa in tension and 42 MPa in shearfor the material of shaft. Assume that the torque on one pulley is equal to that on the other pulley C A De m B Da m 0.3 m 0.2 m 1.2 m.
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