Calculate: (a) the maximum torque that can be applied to the shaft. (b) the minimum diameter of the bolts for the coupling, given 6 bolts are required located at 36mm from the shaft centre. Sketch: (c) the planar shear stress and strain profiles in the hollow shaft for the maximum torque (Poisson's ratio = 0.3).
Theory and Design for Mechanical Measurements
Measurement is a term that refers to analyzing a manufactured component regarding the degree of accuracy for dimensions, tolerances, geometric profile, roundness, flatness, smoothness, etc. Measurement always involves comparing the manufactured component or the prototype with a standard specimen whose dimensions and other parameters are assumed to be perfect and do not undergo changes with respect to time.Precisely in mechanical engineering the branch that deals with the application of scientific principles for measurements is known as metrology. The domain of metrology in general deals with various measurements like mechanical, chemical, thermodynamic, physical, and biological measurements. In mechanical engineering, the measurements are limited to mechanical specific such as length, mass, surface profile, flatness, roundness, viscosity, heat transfer, etc.
Basic principles of engineering metrology
Metrology is described as the science of measurement, precision, and accuracy. In other words, it is a method of measurement based on units and predefined standards.
I have tried this question many times I have not got the correct answer
![A coupling like the one shown in Fig.Q6 is needed to join
two shafts together. The coupling, shaft and bolts are made
from Steel having a Young's Modulus of 205GPA and axial yield
10.
strength of 450MPA. The shaft is hollow with an outer
diameter D of 35mm and wall thickness of 4mm.
28
Introduction to Stress Analysis
T
Fig.06
Calculate:
(a)
the maximum torque that can be applied to the shaft.
(b) the minimum diameter of the bolts for the coupling,
given 6 bolts are required located at 36mm from the
shaft centre.
Sketch:
(c) the planar shear stress and strain profiles in the
hollow shaft for the maximum torque (Poisson's ratio =
0.3).
[Ans. 1413Nm, бmm, 260MРа, 201MPа, 3297ре, 2549рe]](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fefc4cde9-56dc-4afa-9c45-879ca2c9f347%2F95494679-0df5-4a47-a46d-9321b2a8c213%2F4g49n6m_processed.png&w=3840&q=75)
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