DeGarmo's Materials and Processes in Manufacturing
12th Edition
ISBN: 9781118987674
Author: J. T. Black, Ronald A. Kohser
Publisher: WILEY
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Chapter 22, Problem 5P
In the insert is set with a
- Determine the side cutting-edge angle for the offset tool.
- What is the uncut chip thickness in the offset position?
- What effect will this have on the forces and the process?
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2) In an orthogonal cutting operation, the cutting tool has a rake angle = 20°. The chip thickness
before the cut = 0.25 mm. If the cutting force and thrust force are measured during an
orthogonal cutting operation with values, Fc = 1450 N and Ft = 1990 N. The width of the
orthogonal cutting operation w = 2.5 mm. the friction angle B is = 79.91° Determine:
The Shear Angle
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The Shear Strength of the material
The Force of Friction
1.) The rake angle in an orthogonal cutting operation is -5.736°. The chip thickness before the cut is 0.249 mm, and the resulting chip thickness after the cut is 0.762 mm. The chip thickness ratio is _
2.) The rake angle in an orthogonal cutting operation is 17.995°. The chip thickness before the cut is 0.254 mm, and the resulting chip thickness after the cut is 0.595 mm. The shear plane angle is _ degrees.
3.) The rake angle in an orthogonal cutting operation is -2.804°. The chip thickness before the cut is 0.204 mm, and the resulting chip thickness after the cut is 0.556 mm. The shear strain is _.
4.) Microscopic examination of chips obtained from actual machining operations have revealed that they are produced by _.
5.) Low-carbon steel with 300 MPa tensile strength and 220 MPa shear strength is turned at 2.5 m/s cutting speed on a lathe. Feed (cutting width) is 0.20 mm/rev and depth of cut is 3.0 mm. Rake angle is 5°. The resulting chip ratio = 0.45. The cutting force is _ N…
Dont keep asking for a clear pic. This is what i have. And the data is conplete. Solve it using given data itself.
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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