EBK MANUFACTURING ENGINEERING & TECHNOL
7th Edition
ISBN: 8220100793431
Author: KALPAKJIAN
Publisher: PEARSON
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Textbook Question
Chapter 25, Problem 7RQ
Explain why automated pallet changers and automatic tool changers are important parts of machining centers.
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What is surface roughness?
Surface finish is one of the most important measures for determining the quality of products in machining. Explain in some details.
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excessively in machining operations. Explain why.
7) Explain the possible disadvantages of a machining operation if a discontinuous
chip is produced.
8) List and explain the factors that contribute to poor surface finish in machining
operations
9) Given your understanding of the basic machining process, describe the important
physical and chemical properties of a cutting tool.
Investigate the non-traditional machining methods. Describe each in your own words and sketch
out the process and appropriate scale (inches/microns etc). Then tabulate the material removal
mechanism, workpiece materials, applications, costs/speed, advantages and
limitations/disadvantages of each. The slides are for your starting point. List references, articles,
videos, etc...
Mechanical Methods
1. Water Jet Machining (WJM)
2. Abrasive Water Jet Machining (AWJM)
3. Ultrasonic Machining (USM)
Non-Mechanical Methods
1. Electrochemical Machining (ECM)
2. Electro-Discharge Machining (EDM)
3. Wire EDM
4. Laser Drilling
5.
Electron beam machining (EBM)
Chapter 25 Solutions
EBK MANUFACTURING ENGINEERING & TECHNOL
Ch. 25 - Describe the distinctive features of machining...Ch. 25 - Explain how the tooling system in a machining...Ch. 25 - Explain the trends in materials used for...Ch. 25 - Is there any difference between chatter and...Ch. 25 - What are the differences between forced and...Ch. 25 - Explain the importance of foundations in...Ch. 25 - Explain why automated pallet changers and...Ch. 25 - What types of materials are machine-tool bases...Ch. 25 - What is meant by the modular construction of...Ch. 25 - What is a hexapod? What are its advantages?
Ch. 25 - What factors contribute to costs in machining...Ch. 25 - List the reasons that temperature is important in...Ch. 25 - Explain the technical and economic factors that...Ch. 25 - Spindle speeds in machining centers vary over a...Ch. 25 - Explain the importance of stiffness and damping of...Ch. 25 - Are there machining operations described in...Ch. 25 - How important is the control of cutting-fluid...Ch. 25 - Review Fig. 25.10 on modular machining centers,...Ch. 25 - Prob. 19QLPCh. 25 - Describe the adverse effects of vibration and...Ch. 25 - Describe some specific situations in which thermal...Ch. 25 - Prob. 22QLPCh. 25 - Prob. 23QLPCh. 25 - Prob. 24QLPCh. 25 - List the parameters that influence the temperature...Ch. 25 - List and explain factors that contribute to poor...Ch. 25 - Prob. 27QLPCh. 25 - Prob. 28QLPCh. 25 - Describe types and sizes of workpieces that would...Ch. 25 - Prob. 30QLPCh. 25 - Explain the advantages and disadvantages of...Ch. 25 - What are the advantages and disadvantages of (a)...Ch. 25 - What would be the advantages and limitations of...Ch. 25 - Explain how you would go about reducing each of...Ch. 25 - Describe workpieces that would not be suitable for...Ch. 25 - Give examples of forced vibration or self-excited...Ch. 25 - A machining-center spindle and tool extend 10 in....Ch. 25 - Using the data given in the example, estimate the...Ch. 25 - A machining-center spindle and tool extend 12 in....Ch. 25 - In the production of a machined valve, the labor...Ch. 25 - Estimate the optimum cutting speed in Problem...Ch. 25 - Prob. 42QTPCh. 25 - If you were the chief engineer in charge of the...Ch. 25 - Prob. 45SDPCh. 25 - Make a list of components of machine tools that...Ch. 25 - The cost of machining and turning centers is...Ch. 25 - Prob. 49SDPCh. 25 - Describe your thoughts on whether or not it is...Ch. 25 - Prob. 51SDPCh. 25 - Prob. 53SDP
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Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, mechanical-engineering and related others by exploring similar questions and additional content below.Similar questions
- Discuss the impact of current and voltage on machining characteristics in EDM in detailarrow_forwardIn an orthogonal machining with a tool of 9 degree orthogonal rake angle, the uncut chip thickness is 0.2mm. The chip thickness fluctuates between 0.25 mm and 0.4 mm. The ratio of the maximum shear angle to the minimum shear angle during machining isarrow_forwardPLEASE SUMMARIZE IT IN YOUR WORDS!arrow_forward
- Solve the question below- except that availability = 95%. In a sequential batch machining operation, setup time is 1.5 hours, and the batch size is 120 units. The cycle time consists of part handling time of 30 sec and processing time of 2.85 min. One part is produced each cycle. Tool changes must be performed every 10 parts, and this takes 2.0 min. Determine the average production rate. O Oarrow_forward1.State TWO (2) reasons for the need of using non-conventional machining processes instead of conventional machining processes.arrow_forwardIn an orthogonal machining with a tool of 9 orthogonal rake angle, the uncut chip thickness is 0.2 mm. The chip thickness fluctuates between 0.25 mm and 0.4 mm. The ratio of the maximum shear angle to the minimum shear angle during machining isarrow_forward
- Discuss three (3) advantages of using cutting fluids in machining operation.arrow_forward(a) Modern Machining Processes (MMP) is an alternative machining process which traditional cutting tools are not used. Instead, energy at its direct form is utilized to machine work piece. Briefly describe the three (3) categories of modern machining and at least two (2) reasons when its needs to use EDM and USM in machining process.arrow_forward......... is used in automatic machining system where a tool is activated when the presence of work piece is sensed being in position.arrow_forward
- For the following application, identify one or more nontraditional machining processes that might be used, and present arguments to support your selection. Assume that either the part geometry or the work material (or both) preclude the use of conventional machining. The application is a through-hole in the shape of the letter L in a 12.5 mm (0.5 in) thick plate of glass. The size of the "L" is 25 by 15 mm (1.0 by 0.6 in) and the width of the hole is 3 mm (1/8 in).arrow_forwardFind the machining time, in seconds, and the rate of material removing in mmA3;sec for a turning operation having the following information: 1- Wp diameter is 80mm, 2- the length is 0.12m, 3- the cutting speed is 80m/min, 4- feed i50.5 mm/rev and 5- the depth of cut is 0.002m.arrow_forward(c) Figure 11 shows a hybrid machining process that requires two or more process steps to produce a high-quality product, especially in the automotive industry. i. Identify the hybrid machining process in Figure 11. ii. Justify your selection in (i). iii. Explain the working principle of your answer in (i). Тool Nozzle Workpiece Pulse Power NC Table Supply Figure 11: Hybrid machining processarrow_forward
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