A shaft made of steel receives 7.5 kW power at 1500 r.p.m. A pulley mounted on the shaft as shownin Fig. has ratio of belt tensions 4. The gear forces are as follows:F,= 1590 N; F, = 580 NPulleyT1GearF,ADF,-100-200-100All dimensions in mm.Design the shaft diameter by maximum shear stress theory. The shaft material has the followingproperties :Ultimate tensile strength = 720 MPa: Yield strength = 380 MPa; Factor of safety = 1.5.

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A shaft made of steel receives 7.5 kW power at 1500 r.p.m. A pulley mounted on the shaft as shown in Fig. has ratio of belt tensions 4. The gear forces are as follows : F, = 1590 N; F, = 580 N Pulley T2 Gear F, А D F, -100- 200- -100 All dimensions in mm. Design the shaft diameter by maximum shear stress theory. The shaft material has the following properties : Ultimate tensile strength = 720 MPa: Yicld strength = 380 MPa; Factor of safety = 1.5.

A shaft made of steel receives 7.5 kW power at 1500 r.p.m. A pulley mounted on the shaft as shown in Fig. has ratio of belt tensions 4. The gear forces are as follows : F, = 1590 N; F, = 580 N Pulley T2 Gear F, А D F, -100- 200- -100 All dimensions in mm. Design the shaft diameter by maximum shear stress theory. The shaft material has the following properties : Ultimate tensile strength = 720 MPa: Yicld strength = 380 MPa; Factor of safety = 1.5.

Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

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Concept explainers

Combined Loading

Any functioning component, such as machine parts, structural members, pressure vessels, and so on, are all under the influence of more than one force. When anybody is under the influence of more than one force such as shear forces, bending moments, axial forces, torsion, and so on, then such body is said to be under combined loading. A very practical example of combined loading is the crankshaft of an internal combustion engine (IC engine). The crankshaft of the IC engine is under high rpm, which is caused due to the torsional forces. Due to the presence of piston, counterbalances, and internal imbalances, the crankshaft experiences lateral forces and due to the rise in temperature, the crankshaft undergoes thermal expansion, which pulls the crankshaft along the axial direction and lateral direction. The presence of unbalanced loads along the periphery of the crankshaft also induces a bending moment.

Question

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A shaft made of steel receives 7.5 kW power at 1500 r.p.m. A pulley mounted on the shaft as shown
in Fig. has ratio of belt tensions 4. The gear forces are as follows:
F,= 1590 N; F, = 580 N
Pulley
T1
Gear
F,
A
D
F,
-100-
200-
100
All dimensions in mm.
Design the shaft diameter by maximum shear stress theory. The shaft material has the following
properties :
Ultimate tensile strength = 720 MPa: Yield strength = 380 MPa; Factor of safety = 1.5.

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