Manufacturing Engineering & Technology
7th Edition
ISBN: 9780133128741
Author: Serope Kalpakjian, Steven Schmid
Publisher: Prentice Hall
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Chapter 5, Problem 22QLP
Professional cooks generally- prefer carbon-steel to stainless-steel knives, even though the latter are more popular with consumers. Explain the reasons for those preferences.
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solve question 29.3 only by hand and explain step by step please
A. Assuming you have been given the responsibility of procuring some cutting toolfor UCSI workshop. Based on your knowledge in manufacturing processes, oneof the major properties of interest in a cutting tool material is the hot hardness.Explain the relationship between the cost of a cutting tool and its hot hardness citing at least FOUR (4) examples of cutting tools.
b. During a certain machining experiment at the UCSI workshop, it is observedthat temperature at the tool workpiece interface is 1200 oC at a cutting speed of 300 mm/min with a feed rate of 0.002 mm/rev.(i) Analyse how the temperature will be affected if the cutting speed isincreased by 100 %.(ii) Determine the cutting speed necessary to achieve a maximum cuttingtemperature of 900 oC.
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Chapter 5 Solutions
Manufacturing Engineering & Technology
Ch. 5 - What are the major categories of ferrous alloys?Ch. 5 - Prob. 2RQCh. 5 - List the basic raw materials used in making iron...Ch. 5 - List the types of furnaces commonly used in...Ch. 5 - List and explain the characteristics of the types...Ch. 5 - Prob. 6RQCh. 5 - What is continuous casting? What advantages does...Ch. 5 - What is the role of a tundish in continuous...Ch. 5 - Prob. 9RQCh. 5 - What are trace elements?
Ch. 5 - What are the percentage carbon contents of...Ch. 5 - Prob. 12RQCh. 5 - Prob. 13RQCh. 5 - Prob. 14RQCh. 5 - Prob. 15RQCh. 5 - What is high-speed steel?Ch. 5 - Prob. 17RQCh. 5 - Prob. 18RQCh. 5 - Prob. 19RQCh. 5 - What effect does carbon content have on mechanical...Ch. 5 - Identify several different products that are made...Ch. 5 - Professional cooks generally- prefer carbon-steel...Ch. 5 - Prob. 23QLPCh. 5 - Explain why continuous casting has been such an...Ch. 5 - Describe applications in which you would not want...Ch. 5 - Explain what would happen if the speed of the...Ch. 5 - The cost of mill products of metals increases with...Ch. 5 - Describe your observations regarding the...Ch. 5 - Prob. 29QLPCh. 5 - Prob. 30QLPCh. 5 - In Table 5.9, D2 steel is listed as a more common...Ch. 5 - List the common impurities in steel. Which of...Ch. 5 - Explain the purpose of the oil shown at the top...Ch. 5 - Recent research has identified mold-surface...Ch. 5 - Prob. 35QLPCh. 5 - List and explain the advantages and disadvantages...Ch. 5 - Conduct an Internet search and determine the...Ch. 5 - Refer to the available literature, and estimate...Ch. 5 - Some soft drinks are now available in steel cans...Ch. 5 - Using strength and density data, determine the...Ch. 5 - The endurance limit (fatigue life) of steel is...Ch. 5 - Using the data given in Table 5.4, obtain the...Ch. 5 - Based on the information given in Section 5.5.1,...Ch. 5 - Assume that you are in charge of public relations...Ch. 5 - Assume that you are in competition with the steel...Ch. 5 - In the past, waterfowl hunters used lead shot in...Ch. 5 - Aluminum is being used as a substitute material...Ch. 5 - In the 1940s (the Second World War), the Yamato...Ch. 5 - Search the technical literature, and add more...Ch. 5 - Referring to Fig. 5.4a, note that the mold has...
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- Q3(a) Assuming you have been given the responsibility of procuring some cutting tool for UCSI workshop. Based on your knowledge in manufacturing processes, one of the major properties of interest in a cutting tool material is the hot hardness. Explain the relationship between the cost of a cutting tool and its hot hardness citing at least FOUR (4) examples of cutting tools.arrow_forwardQuestion 1. Provide brief explanations to each one of the following questions: 1.a. Explain why studying the types of chips produced is important in understanding cutting operations. 1.b. Describe the reasons for and advantages of coating cutting tools with multiple layers of different materials. What are the possible effects of these coatings on the developed chip during cutting process 1.c. Describe the reasons for and advantages of coating cutting tools with multiple layers of different materials. 1.d. Emulsion cutting fluids typically consist of 95% water and 5% soluble oil and chemical additives. Why is the ratio so unbalanced? Is the oil needed at all? 1.e. What is the difference between a live center and a dead center, when these terms are used in the context of workholding in a lathe?arrow_forward22.8 Is the elastic modulus im portant for cutting-tool materials? Explainarrow_forward
- Explain the following terms and situations in metal cutting. Give enough explanation with figures if it is necessary. A)Force and chatter vibrations. How can you detect the vibration during the machining? How can you decide which type of the vibration you have? B) Mode shapes. C)Mode coupling. D)Process damping. Which parameters can affect the process damping? i)Mode coupling. j) Regenerative chatter vibrations. k) Stability lobes.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_forward22 .42 List and explain the considerations involved in determining whether a cutting tool should be reconditioned, recycled, or discarded after use.arrow_forward
- Question 1: Explain the following terms and situations in metal cutting. Give enough explanation with figures if it is necessary. a) Up and down milling operations. What are the effects on the workpiece surface finish and machine tool? b) Orthogonal and oblique cutting. c) Cutting force diagram in orthogonal cutting. d) Theoretical prediction of shear angle in orthogonal cutting. e) Machinability. f) Force and chatter vibrations. How can you detect the vibration during the machining? How can you decide which type of the vibration you have? g) Mode shapes. Mode coupling. h) Process damping. Which parameters can affect the process damping? i) j) Regenerative chatter vibrations. k) Stability lobes. Question 2: How will the cutting force be affected by the following situations during the machining operation? Why? a) Large rake angle b) Small relief angle c) Large nose radius d) Sharp cutting edge e) Smooth rake face f) Hard workpiece material g) High cutting speed h) Large feed rate i)…arrow_forwardDuring orthogonal cutting operation of material has shear strength 95.5 Mpa. The cutting force is more than thrust force by 10%. The rake angle = 5°, the width of the cut = 5.0 mm, the chip thickness before the cut = 0.6, and the chip thickness ratio = 0.38. Determine (a) both cutting force and thrust force and (b) the coefficient of friction in the operation.arrow_forward5. What are the adverse effects of tool wear in cutting processes? 6. What characteristics are required for cutting tool materials? V. Comprehensive questions. 1. Match each part with the most proper manufacturing process. (1) Aluminum beverage can Centrifugal casting (2) Copper wire Closed-die forging (3) Engine cylinder Die casting (4) Lathe body Drawing (5) Link rod of an engine Sand casting (6) Magnesium alloy camera frame Sheet-metal formingarrow_forward
- 8 - Orthogonal cutting is performed on a metal whose mass specific heat = 1.0 J/g-C, density 2.9 g/cm3, and thermal diffusivity = 0.8 cm2/s. The cutting speed is 4.5 m/s, uncut chip thickness (feed) is 0.25 mm, and width of cut (depth) is 2.2 mm. The cutting force is measured at 1170 N. Using Cook's equation, determine the cutting temperature. a) 417.09 b) O 707.60 C) 528.03 d) O 316.82 Boş bırakarrow_forwardA turning operation is carried out on aluminum. Based on the specific energy values in the table in your text, determine material removal rate and cutting power in the operation under the following sets of conditions: (a) Cutting speed = 5.6 m/s, feed = 0.25 mm/rev, and depth of cut = 2.0 mm; and (b) cutting speed = 1.3 m/s, feed = 0.75 mm/rev, and depth of cut = 4.0 mm.arrow_forward
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