Q1) Figure 1 shows a shaft mounted in bearings at A and D and having pulleys at B and C. The forces shown acting on the pulley surfaces represent the belt tensions. The shaft is to be made of AISI 1035 CD steel. Using a conservative failure theory with a design factor of 2, determine the minimum shaft diameter to avoid yielding. Figure (1) 300 lbf ban 1) 50 tbf in D. 39 lbt 392 The

Q1) Figure 1 shows a shaft mounted in bearings at A and D and having pulleys at B and C. The forces shown acting on the pulley surfaces represent the belt tensions. The shaft is to be made of AISI 1035 CD steel. Using a conservative failure theory with a design factor of 2, determine the minimum shaft diameter to avoid yielding. Figure (1) 300 lbf ban 1) 50 tbf in D. 39 lbt 392 The

Mechanics of Materials (MindTap Course List)

9th Edition

ISBN:9781337093347

Author:Barry J. Goodno, James M. Gere

Publisher:Barry J. Goodno, James M. Gere

Chapter3: Torsion

Section: Chapter Questions

Problem 3.7.8P: A tubular shaft being designed for use on a construction site must transmit 120 kW at 1,75 Hz, The...

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Concept explainers

Axial Load

When a bar of the uniform cross-section is acted by a load, such that the load acts along the longitudinal axis of the bar, such kinds of loadings are known as axial loadings. In general terms, a load is an external force acting on a component. An axial load acts perpendicular to the geometric cross-section of the component. Based on the direction of the application of the load, an axial load can be tensile or compressive. The analysis of bodies under the action of axial loads is generally studied under the branch of mechanics, known as statics.

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Q1) Figure 1 shows a shaft mounted in bearings at A and D and having pulleys at B
and C. The forces shown acting on the pulley surfaces represent the belt tensions.
The shaft is to be made of AISI 1035 CD steel. Using a conservative failure theory
with a design factor of 2, determine the minimum shaft diameter to avoid yielding.
Figure (1)
300 lbf
ban 1)
50 lbf
59 lbt
392 Tbf
C6 in

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Step 1: Determine the given data

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Step 2: Calculate the torque

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Step 3: Calculate the reaction

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Step 4: Calculate the moment

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Step 5: Calculate the reaction at D

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Step 6: Calculate the moment about C

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Step 7: Write the shear stress equation

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Step 8: Write the normal stress and max shear stress

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Step 9: Calculate the diameter

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