EBK MANUFACTURING ENGINEERING & TECHNOL
7th Edition
ISBN: 8220100793431
Author: KALPAKJIAN
Publisher: PEARSON
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Textbook Question
Chapter 27, Problem 53SDP
It can be seen that several of the processes described in Part IV of this book can be employed, either singly or in combination, to make or finish dies for metalworking operations. Write a brief technical paper on these methods, describing their advantages, limitations, and typical applications.
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Chapter 27 Solutions
EBK MANUFACTURING ENGINEERING & TECHNOL
Ch. 27 - Describe the similarities and differences between...Ch. 27 - Name the processes involved in chemical machining....Ch. 27 - Explain the difference between chemical machining...Ch. 27 - What is the underlying principle of...Ch. 27 - Explain how the EDM process is capable of...Ch. 27 - What are the important features of the Blue Arc...Ch. 27 - What are the capabilities of wire EDM? Could this...Ch. 27 - Explain why laser Microjet has a large depth of...Ch. 27 - Describe the advantages of water-jet machining.Ch. 27 - What is the difference between photochemical...
Ch. 27 - What type of workpiece is not suitable for...Ch. 27 - What is an undercut? Why must it be considered in...Ch. 27 - Explain the principle of hybrid machining.Ch. 27 - Give technical and economic reasons that the...Ch. 27 - Why is the preshaping or premachining of parts...Ch. 27 - Explain why the mechanical properties of workpiece...Ch. 27 - Prob. 17QLPCh. 27 - Prob. 18QLPCh. 27 - Why has electrical-discharge machining become so...Ch. 27 - Prob. 20QLPCh. 27 - Which of the advanced machining processes would...Ch. 27 - Which of the processes described in require a...Ch. 27 - Describe your thoughts regarding the laser-beam...Ch. 27 - Are deburring operations still necessary for some...Ch. 27 - List and explain factors that contribute to a poor...Ch. 27 - What is the purpose of the abrasives in...Ch. 27 - Which of the processes described in this chapter...Ch. 27 - Is kerf width important in wire EDM? Explain.Ch. 27 - Comment on your observations regarding Fig. 27.4.Ch. 27 - Why may different advanced machining processes...Ch. 27 - A 200-mm-deep hole that is 30 mm in diameter is...Ch. 27 - If the operation in Problem 27.31 were performed...Ch. 27 - A cutting-off operation is being performed with a...Ch. 27 - A 0.80-in.-thick copper plate is being machined by...Ch. 27 - Explain why it is difficult to produce sharp...Ch. 27 - Make a list of the processes described in this...Ch. 27 - Would the processes described in this chapter be...Ch. 27 - Prob. 38SDPCh. 27 - Describe your thoughts as to whether the...Ch. 27 - Make a list of machining processes that may be...Ch. 27 - At what stage is the abrasive in abrasive...Ch. 27 - Describe the similarities and differences among...Ch. 27 - Describe the similarities and differences among...Ch. 27 - Describe any workpiece size limitations in...Ch. 27 - Suggest several design applications for the types...Ch. 27 - Based on the topics covered in Parts III and IV,...Ch. 27 - Review Example 27.1 and explain the relevant...Ch. 27 - Precision engineering is a term that is used to...Ch. 27 - With appropriate sketches, describe the principles...Ch. 27 - Make a table of the process capabilities of the...Ch. 27 - One of the general concerns regarding advanced...Ch. 27 - It can be seen that several of the processes...
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- Illustrate the basic operations of sheet metal working, indicating on the side of each illustration the name, type of load applied and type of tools used.arrow_forward(d) Shear force.(e) Cutting force and thrust force.(f) Friction angle.arrow_forwardExplain the production of bolts by rubbing method by drawing a figure. Compare and write the advantages of machining with bolt manufacturing.arrow_forward
- 3) What are the reasons for developing forming limit diagrams (FLD)? Explain its use.arrow_forward7. Please analyze and compare the characteristics of sliding guide and rolling guide.arrow_forwardDetermine the time required to turn a brass component 50 mm diameter and 100 mm long at a cutting speed of 36 m/min. the feed is 0.4 and only one cut is taken.arrow_forward
- Define specific energy for plane strain machining (cutting). In plane-strain machỉning, the two main sources of energy dissipation are deformation along the shear plane (~70%) and friction at the tool-chip contact along the rake face (~30%). Consider machining of a rigid perfectly-plastic work material whose uniaxial yield stress is 700 MPa, and is independent of strain rate and temperature. A tool of zero-degree rake angle is employed. Measurements showed the (deformed) chip thickness to be twice that of the undeformed chip thickness. Based on the aforementioned distribution of energy, estimate the specific energy for this process.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_forwardCorrect and complete solution please don't copyarrow_forward
- Please answer all partsarrow_forwardA compound die is used to blank and punch a large washer out of 6061ST aluminum alloy sheet stock 3.2 mm thick. The outside diameter of the washer is 25.0 mm, and the inside diameter is 12.0 mm. Determine (a) the punch and die sizes for the blanking and punching operations, (b) the force required to perform the blanking and punching operation under the following conditions: (a) blanking and punching occur simultaneously and (b) the punches are staggered so that punching occurs first, then blanking. The aluminum has a tensile strength = 350 MPa.arrow_forward1. Derive an expression for the reduction r in drawing as a function of drawing ratio DR.2. A cup is to be drawn in a deep drawing operation. The height of the cup is 75 mm and its insidediameter = 100 mm. The sheet-metal thickness = 2 mm. If the blank diameter = 225 mm, determine(a) drawing ratio, (b) reduction, and (c) thickness-to-diameter ratio. (d) Does the operation seem feasible?3. A drawing operation is used to form a cylindrical cup with inside diameter = 65 mm and height =50mm. The starting blank size = 140 mm and the stock thickness = 2.8mm. determine (a) drawing forceand (b) holding force, given that the tensile strength of the sheet metal (low-carbon steel) = 350 MPa andyield strength = 190 MPa. The die corner radius = 6 mm. Based on these data, is the operation feasible?arrow_forward
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