Manufacturing Engineering & Technology
7th Edition
ISBN: 9780133128741
Author: Serope Kalpakjian, Steven Schmid
Publisher: Prentice Hall
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Textbook Question
Chapter 24, Problem 23QLP
Several guidelines are presented in this chapter for various cutting operations. Discuss the reasoning behind these guidelines.
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Chapter 24 Solutions
Manufacturing Engineering & Technology
Ch. 24 - Explain why milling is such a versatile machining...Ch. 24 - Describe a milling machine. How is it different...Ch. 24 - Describe the different types of cutters used in...Ch. 24 - Define the following: face milling, peripheral...Ch. 24 - Can threads be machined on a mill? Explain.Ch. 24 - What is the difference between feed and feed per...Ch. 24 - Explain the relative characteristics of climb...Ch. 24 - Describe the geometric features of a broach and...Ch. 24 - What is a pull broach? A push broach?Ch. 24 - Why is sawing a commonly used process? Why do some...
Ch. 24 - What advantages do bed-type milling machines have...Ch. 24 - Explain why the axis of a hob is tilted with...Ch. 24 - What is a shell mill? Why is it used?Ch. 24 - Why is it difficult to saw thin sheet metals?Ch. 24 - Of the processes depicted in Fig. 24.2, which is...Ch. 24 - Describe the tool motion during gear shaping.Ch. 24 - When is filing necessary?Ch. 24 - Would you consider the machining processes...Ch. 24 - Why is end milling such an important versatile...Ch. 24 - List and explain factors that contribute to poor...Ch. 24 - Explain why broaching crankshaft bearings is an...Ch. 24 - Several guidelines are presented in this chapter...Ch. 24 - What are the advantages of helical teeth over...Ch. 24 - Explain why hacksaws are not as productive as band...Ch. 24 - What similarities and differences are there in...Ch. 24 - Why do machined gears have to be subjected to...Ch. 24 - How would you reduce the surface roughness shown...Ch. 24 - Why are machines such as the one shown in Fig....Ch. 24 - Comment on your observations concerning the...Ch. 24 - Explain how contour cutting could be started in a...Ch. 24 - Prob. 32QLPCh. 24 - Describe the parts and conditions under which...Ch. 24 - Explain the reason that it is difficult to use...Ch. 24 - Would you recommend broaching a keyway on a gear...Ch. 24 - Prob. 37QTPCh. 24 - A slab-milling operation is being performed at a...Ch. 24 - Show that the distance lc in slab milling is...Ch. 24 - Prob. 40QTPCh. 24 - Calculate the chip depth of cut, tc, and the...Ch. 24 - Estimate the time required to face mill a...Ch. 24 - A 12-in.-long, 1-in.-thick plate is being cut on a...Ch. 24 - A single-thread hob is used to cut 40 teeth on a...Ch. 24 - Assume that m the face-milling operation shown in...Ch. 24 - A slab-milling operation will take place on a part...Ch. 24 - Prob. 47QTPCh. 24 - In describing the broaching operations and the...Ch. 24 - The parts shown in Fig. 24.1 are to be machined...Ch. 24 - Would you prefer to machine the part in Fig. 24....Ch. 24 - Prob. 51SDPCh. 24 - Suggest methods whereby milling cutters of various...Ch. 24 - Prepare a comprehensive table of the process...Ch. 24 - Prob. 55SDPCh. 24 - Make a list of all the processes that can be used...
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- Draw the geometry of single point cutting tool (3 views) and explain the importance of each angle in metal cutting.arrow_forwardChoose TWO (2) types of cutting processes that are suitable for cutting thick materials (>20mm thick plate).arrow_forwardExplain the difference between roughing cuts and finishing cuts.arrow_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_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_forwardA furniture company that makes upholstered chairs and sofas must cut large quantities of fabrics. Many of these fabrics are strong and wear-resistant, which properties make them difficult to cut. What nontraditional process(es) would you recommend to the company for this application? Justify your answer by indicating the characteristics of the process that make it attractive.arrow_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_forwardQuestion 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_forwardA 150-mm-long, 12.5-mm-diameter 304 stainless-steel rod is being reduced in diameter to 12.0 mm by turning on a lathe. The spindle rotates at N = 400 rpm, and the tool is traveling at an axial speed of 200 mm/min. Calculate the cutting speed, material- removal rate, cutting time, power dissipated, and cutting force. %3Darrow_forward
- Determine ratio of friction energy to total energyarrow_forward(b) An orthogonal cutting operation is being carried out under the following conditions: depth of cut, to = 0.1 mm, chip thickness, to = 0.2 mm, width of cut = 4 mm, cutting speed, v = 3 m/s, rake angle, a = 10°, Cutting force, Fc = 500 N, and Thrust force, F1= 200 N. Calculate the percentage of the total energy that is dissipated in the shear plane of cutting process.arrow_forwardProblem 10.21 Estimate the time required for one complete cut on a workpiece of length 350 mm and diameter 70 mm by a cutting tool which operates at 35 m/min. Take feed to be 0.25 mm/rev.arrow_forward
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