DeGarmo's Materials and Processes in Manufacturing
12th Edition
ISBN: 9781118987674
Author: J. T. Black, Ronald A. Kohser
Publisher: WILEY
expand_more
expand_more
format_list_bulleted
Concept explainers
Videos
Textbook Question
Chapter 21, Problem 15RQ
Why is metal cutting shear stress such an important parameter?
Expert Solution & Answer
Want to see the full answer?
Check out a sample textbook solution
Students have asked these similar questions
Why do we avoid cold and cold
forming during the cutting process?
(d) Shear force.(e) Cutting force and thrust force.(f) Friction angle.
SHEET 5
Grinding, Welding and Galvanizing operations
1- Define Grinding process, what are the main characteristics of classification of
a grinding wheel?
2- What are the main grinding operations, why coolant is uses in any cutting
operation?
3- What are the main classes of welding?
4- With drawing explain flam different types, what type is used in cutting and
why?
5- What are the differences between OXYACETYLENE and ARC welding?
6- What are the defects of ARC welding operation?
7- Explain the Electric Resistance Welding?
8- Define the GALVANIZING Process and what are the main governing
parameters in this operation?
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...
Additional Engineering Textbook Solutions
Find more solutions based on key concepts
A wet towel hangs on a clothes line under conditions for which one surface receives solar irradiation of Gs=900...
Fundamentals of Heat and Mass Transfer
The force in each supporting cable.
Engineering Mechanics: Statics & Dynamics (14th Edition)
Determine the equations of the elastic curve using the x1 and X2 coordinates. What is the slope at A and the de...
Mechanics of Materials
Water flowing at a rate of 1.5 kg/s through a heat exchanger heats air from 20 C to 30 C flowing at a rate 2.4 ...
Heating Ventilating and Air Conditioning: Analysis and Design
Determine the greatest load P that can be applied to the truss so that none of the members are subjected to a f...
INTERNATIONAL EDITION---Engineering Mechanics: Statics, 14th edition (SI unit)
1.1 What is the difference between an atom and a molecule? A molecule and a crystal?
Manufacturing Engineering & Technology
Knowledge Booster
Learn more about
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
- Tool design What are some of the typical considerations for each one of the following metal cutting processes.arrow_forwardManufacturingarrow_forward%9. lu. O V;YA Q1 What is the difference between direct shear and indirect cutting? Q2_What are the factors affecting fatigue Q3_What is the difference between hardness and micro-hardness Q4_What is the fatigue limit? Q5_What is strain hardness? Q6 What is the difference between true stress and engineering stress Q7_What is the difference between true strain and engineering strain? What is the relationship that binds them? Q8_ When do the "ears" appear in drawn cup, through cup drawing tests? Q9 Could we use results of tensile tests predict impact failure behavior, why? Q10_Could you estimate ductile-to-brittle transition temperatures for metals having hexagonal close-packed structure, why? Q11 Can creep of metals happen in room temperature, when? Solve a question 1_2_3_4_5_6_7_8_9_10_11 IIarrow_forward
- Number 4,5,6arrow_forwardI need answer within 20 minutes please please with my best wishesarrow_forward(e) Briefly describe types of chips that occur in metal cutting. (f) For orthogonal cutting, the tool rake angle =15°. The chip thickness before the cut is 0.30mm and the cut yields a deformed chip thickness = 0.65mm. Calculate the shear plane angle and shear strain.arrow_forward
- 1. Wire drawing is cold working process use to decrease the dimeter of wire. A) Explain the process. B) Discuss the effect of this process on mechanical properties in'details? Sketch to illustrate your explanation. 2. Name and explain a manufacturing process of making open end wrench? 3. How can you decided whether to use a cold work or hot work processes? 4. Briefly explain arc welding and oxyacetylene welding? ( 5. Submerged arc welding is suitable for non-ferrous metals. YES, OR NO, AND EXPALIN WHY? 6. Briefly explain powder metallurgy (P/M)? 7. What is flux in welding. What is the main purpose of using it? . 8. Name and explain a method used to measure particle size of powder, especially if you have variety of sizes?( 9. Briefly explain the metallurgy of welding. Sketch it?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_forwardChoose TWO (2) types of cutting processes that are suitable for cutting thick materials (>20mm thick plate).arrow_forward
- Identify the forces involved in a cutting operation. which of these forces contributes to the power required?arrow_forward(34 10l ll SHEET 4 Lathes and... -> SHEET 4 Lathes and Milling operations 1- Define lath Process, why the tool should have Red Hardness Property? 2- What are the kinds of Cutting operations carried out using Lathes? 3- What are the Cutting Tools used in Shaping operation? 4- Explain some of common operation associated with drilling? 5- Define Milling Operations and what are differences between lathes and milling machines? 6- Explain with Drawings different types of Milling operations? 7- What are the different types of Milling machines?arrow_forward8 - 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_forward
arrow_back_ios
SEE MORE QUESTIONS
arrow_forward_ios
Recommended textbooks for you
Precision Machining Technology (MindTap Course Li...Mechanical EngineeringISBN:9781285444543Author:Peter J. Hoffman, Eric S. Hopewell, Brian JanesPublisher:Cengage Learning
Welding: Principles and Applications (MindTap Cou...Mechanical EngineeringISBN:9781305494695Author:Larry JeffusPublisher:Cengage Learning
Precision Machining Technology (MindTap Course Li...
Mechanical Engineering
ISBN:9781285444543
Author:Peter J. Hoffman, Eric S. Hopewell, Brian Janes
Publisher:Cengage Learning
Welding: Principles and Applications (MindTap Cou...
Mechanical Engineering
ISBN:9781305494695
Author:Larry Jeffus
Publisher:Cengage Learning
The Most Common Metal Machining Processes (Metal Machining Video 1); Author: Sofeast Ltd;https://www.youtube.com/watch?v=uxVJ3qtezGw;License: Standard YouTube License, CC-BY
Machining process and Machine Tools; Author: Amar Gandhi;https://www.youtube.com/watch?v=X2mUJ8baaE0;License: Standard Youtube License