2) A shaft of a diameter of 30 mm is transmitting 14,9 kW at 400 rpm. The shaft is connected to a pulley of an axial length of 160 mm with the help of a rectangular key 16 mm × 12 mm ( b=16 mm, t=12mm). (The spokes are connected to the pulley, but the pulley is not shown in the figure). Axial length of the key, hub and pulley are 160 mm. Determine the shear and normal stresses developed in the rectangular key. Rectangular key Spokes A BY Hub Shaft

2) A shaft of a diameter of 30 mm is transmitting 14,9 kW at 400 rpm. The shaft is connected to a pulley of an axial length of 160 mm with the help of a rectangular key 16 mm × 12 mm ( b=16 mm, t=12mm). (The spokes are connected to the pulley, but the pulley is not shown in the figure). Axial length of the key, hub and pulley are 160 mm. Determine the shear and normal stresses developed in the rectangular key. Rectangular key Spokes A BY Hub Shaft

Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

ChapterMA: Math Assessment

Section: Chapter Questions

Problem 1.1MA

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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

2)
A shaft of a diameter of 30 mm is transmitting 14,9 kW at 400 rpm. The shaft is connected
to a pulley of an axial length of 160 mm with the help of a rectangular key 16 mm x 12 mm ( b=16 mm,
t=12mm). (The spokes are connected to the pulley, but the pulley is not shown in the figure). Axial length
of the key, hub and pulley are 160 mm. Determine the shear and normal stresses developed in the
rectangular key.
Rectangular
key
Spokes
A
R
Hub
Shaft

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