Degarmo's Materials And Processes In Manufacturing
13th Edition
ISBN: 9781119492825
Author: Black, J. Temple, Kohser, Ronald A., Author.
Publisher: Wiley,
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Textbook Question
Chapter 22, Problem 34RQ
Why is the rigidity of the machine tool an important consideration in the selection of the cutting tool material?
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Question: 3 a. Differentiate clearly between the three different categories of material removal processes.b. What is the effect of rake angle (ranging from highly +ve to –ve) on chip formation, cutting forceand power requirements?c. Describe the ideal chip type.d. What are the effects of performing a cutting operation with a dull tool tip? A very sharp tip?
how to control the cutting forces, temperature, and tool wear?
22.7 Why is toughness im portant for cutting-tool materials?
Chapter 22 Solutions
Degarmo's Materials And Processes In Manufacturing
Ch. 22 - For metal-cutting tools, what is the most...Ch. 22 - What is hot hardness compared to hardness?Ch. 22 - Prob. 3RQCh. 22 - Why is impact strength an important property in...Ch. 22 - Cemented carbide tools are made by a powder...Ch. 22 - What are the primary considerations in tool...Ch. 22 - What is the general strategy behind coated tools?Ch. 22 - Prob. 8RQCh. 22 - How is a CBN tool manufactured?Ch. 22 - Prob. 10RQ
Ch. 22 - Prob. 11RQCh. 22 - Discuss the constraints in the selection of a...Ch. 22 - What does cemented mean in the manufacture of...Ch. 22 - What advantage do ground carbide inserts have over...Ch. 22 - What is a chip groove?Ch. 22 - What is the DCL?Ch. 22 - Suppose you made four beams out of carbide, HSS,...Ch. 22 - Multiple coats or layers are put on the carbide...Ch. 22 - What tool material would you recommend for...Ch. 22 - What makes the process that makes TiC coatings for...Ch. 22 - Why does a TiN-coated tool consume less power than...Ch. 22 - For what work material are CBN tools more commonly...Ch. 22 - Why is CBN better for machining steel than...Ch. 22 - What is the typical coefficient of variation for...Ch. 22 - What is meant by the statement Tool life is a...Ch. 22 - The typical value of a coefficient of variation in...Ch. 22 - Machinability is defined in many ways. Explain how...Ch. 22 - What are the chief functions of cutting fluids?Ch. 22 - Prob. 29RQCh. 22 - Why is the PVD process used to coat HSS tools?Ch. 22 - Why is there no universal cutting tool material?Ch. 22 - What is an 18-4-1 HSS composed of?Ch. 22 - Over the years, tool materials have been developed...Ch. 22 - Why is the rigidity of the machine tool an...Ch. 22 - Explain how it can be that the tool wears when it...Ch. 22 - What is a honed edge on a cutting tool and why is...Ch. 22 - Suppose you have a turning operation using a tool...Ch. 22 - A 2 in.-diameter bar of steel was turned at 284...Ch. 22 - Prob. 3PCh. 22 - The following data have been obtained for...Ch. 22 - In the insert is set with a 0 side cutting-edge...Ch. 22 - Prob. 6PCh. 22 - Here is a single point tool. Identify angles A...Ch. 22 - Figure 22.B gives data for cutting speed and tool...
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- Make a comprehensive write up on tool-wear and tool life with due reference to cutting speed and tool life. ( Manufacturing process)arrow_forwardWhat are the three main deformation zones in metal cutting and how does the heat distributeover a metal during any cutting processarrow_forward2 1.26 Why is it not always advisable to increase the cutting speed in order to increase the production rate?arrow_forward
- How can hardened work pieces which cannot be machined with conventional cutting tools be finished machined to precise dimensions with a very smooth surface finish?arrow_forwardQ:3 i. Differentiate clearly between the three different categories of material removal processes.ii. What is the effect of rake angle (ranging from highly +ve to –ve) on chip formation, cutting force and power requirements?iii. Describe the ideal chip type.iv. What are the effects of performing a cutting operation with a dull tool tip? A very sharp tip?arrow_forwardWhich option about chief elements in metal cutting is wrong? a)Chip width is the distance between D and d along the cutting surface b)The cutting speed is expressed in mm per revolution c)Feed s is the tool distance moved along the axis per revolution of the work d)Depth of cut t is the distance between D and darrow_forward
- 2 1.63 With a carbide tool, the temperature in a cutting operation is measured as 650K when the speed and the feed is 0.05mm/rev. W hat is the approximate temperature if the speed is doubled? W hat speed is required to lower the maximum cutting temperature to 480K?arrow_forwardWhat are the functions of cutting fluid?arrow_forwardExplain 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_forward
- 2 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_forwardA. Which among the tool categories comprised most of the available tools? Infer a reason as to why is this so? B. What are the safety concerns for each tool category, and which category had the most concern for safety? c. Was there difficulty in familiarizing the tools? Why?arrow_forward22.3 Why were cutting-tool inserts developed?arrow_forward
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