Degarmo's Materials And Processes In Manufacturing
13th Edition
ISBN: 9781119492825
Author: Black, J. Temple, Kohser, Ronald A., Author.
Publisher: Wiley,
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Textbook Question
Chapter 21, Problem 29RQ
What process and material combination would yield the largest cutting force, based on the data in Table 21.3.
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22.37 Which of the properties listed in Table 22.1 is, in your opinion, the least im portant in cutting tools? Explain.
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Chapter 21 Solutions
Degarmo's Materials And Processes In Manufacturing
Ch. 21 - Why has the metal-cutting process resisted...Ch. 21 - What variables must be considered in understanding...Ch. 21 - Which of the seven basic chip formation processes...Ch. 21 - How is feed related to speed in the machining...Ch. 21 - Before you select speed and feed for a machining...Ch. 21 - Milling has two feeds. What are they, and which...Ch. 21 - What is the fundamental mechanism of chip...Ch. 21 - What is the difference between oblique machining...Ch. 21 - What are the implications of Figure 21.13, given...Ch. 21 - Note that the units for the approximate equation...
Ch. 21 - For orthogonal machining, the cutting edge radius...Ch. 21 - How do the magnitude of the strain and strain rate...Ch. 21 - Why is titanium such a difficult metal to machine?...Ch. 21 - Explain why you get segmented or discontinuous...Ch. 21 - Why is metal cutting shear stress such an...Ch. 21 - Which of the three cutting forces in oblique...Ch. 21 - How is the energy in a machining process typically...Ch. 21 - Where does the energy consumed in metal cutting...Ch. 21 - What are two ways of estimating the primary...Ch. 21 - What are the three different ways to perform...Ch. 21 - Why does the cutting force Fc increase with...Ch. 21 - Why doesnt the cutting force Fc increase with...Ch. 21 - Prob. 23RQCh. 21 - How does the selection of the machining parameters...Ch. 21 - Suppose you had a machining operation (boring)...Ch. 21 - Make a sketch like that shown in Figure 21.1 with...Ch. 21 - Show how you would do near orthogonal machining in...Ch. 21 - Can you do orthogonal machining on a shaper or...Ch. 21 - What process and material combination would yield...Ch. 21 - What is meant by the statement that machining...Ch. 21 - Prob. 31RQCh. 21 - Figure 21.4 provides suggested cutting speeds and...Ch. 21 - For problem 1, suppose you selected a speed of 145...Ch. 21 - If the cutting forces is 1000 lb calculate the...Ch. 21 - Explain how you would estimate the cutting force...Ch. 21 - For a turning operation, you have selected a...Ch. 21 - For a slab milling operation using a...Ch. 21 - The power required to machine metal is related to...Ch. 21 - In order to drill a hole in the material described...Ch. 21 - Suppose you have the data in Table 21.A obtained...Ch. 21 - Calculate the horsepower that a process is going...Ch. 21 - Explain how you would estimate the cutting force...Ch. 21 - Derive equations for F and N using the circular...Ch. 21 - Prob. 14PCh. 21 - Prob. 15PCh. 21 - A manufacturing engineer needs an estimate of the...Ch. 21 - Using Figure 21.4 for input data, determine the...Ch. 21 - Estimate the horsepower needed to remove metal at...Ch. 21 - For a turning process, the horsepower required was...
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- Manufacturing Processes What is the effect of shear plane angle in metal cutting? Illustrate with diagramarrow_forwardIdentify the forces involved in a cutting operation. which of these forces contributes to the power required?arrow_forward21.8 Why should we be interested in the magnitude of the thrust force in cutting?arrow_forward
- 22.36 Referring to Table 22.1, state which tool materials would be suitable for interrupted cutting operations. Explain.arrow_forwardWhat are the functions served by cutting fluid? Give broad classification of cutting fluid and explain each in detail .arrow_forward2 2 . 16 Explain why so many different types of cutting-tool materials have been developed over the years. Why are they still being developed further?arrow_forward
- 2 1.46 Explain why the power requirements in cutting depend on the cutting force but not the thrust force.arrow_forward22.17 Which tool-material properties are suitable for interrupted cutting operations? Why?arrow_forwardCalculate the time required to make a ravage cut, at a feed rate of 0.015in. on a piece of machine steel 18in. long by 2in. in diameter.arrow_forward
- In orthogonal turning of low carbon steel pipe with principal cutting edge angle of 90°, the main cutting force is 1000 N and the feed force is 800 N. The shear angle is 25° and orthogonal rake angle is zero Employing Merchant's theory, what is the ratio of friction force to normal force acting on the cutting tool?arrow_forwardDiscuss the effects of cutting speed, feed rate, and depth of cut on the tool wear rate during a turning operation. How does each parameter influence the surface finish of the workpiece? Provide a detailed explanation based on the principles of metal cutting mechanics.arrow_forwardDifferentiate between orthogonal and oblique cutting.explain the importance of eacharrow_forward
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