Precision Machining Technology
3rd Edition
ISBN: 9781337795302
Author: Peter, Hoffman.
Publisher: Cengage Learning,
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Textbook Question
Chapter 1.2, Problem 7RQ
What career advancement opportunities exist for employees in the machine tool industry?
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d) Correct the wrong sentences if found
1. Drilling, turning, and milling use rotating multiple cutting-edge tools.
2. Knurling is performed on a lathe, but it is a metal forming operation rather
than a metal removal operation.
3. Friction between tool and chip tends to cause portions of tool material to
adhere to the rake face of the tool near the cutting edge. This formation called
a built-up edge.
4. Metal forming applies stresses that exceed the ultimate strength of the metal.
5. The plastic region of the stress-strain curve for a metal characterized by a
proportional stress and strain.
6. if stress value were mesured during a tensile test, the higher value and
important in manufacturing processes is the engineering stress.
7. Drawing is a compression proces in which the work metal is forced to flow
through a die opening, thereby taking the shape of the opening as its own
cross-section.
8. Flash in impression-die forging serves no useful purpose and is undesirable.
9. Disadvantages…
Chapter 1 Solutions
Precision Machining Technology
Ch. 1.1 - Define the term machining.Ch. 1.1 - What is a machine tool?Ch. 1.1 - What is manufacturing?Ch. 1.1 - List four industries that depend on machining.Ch. 1.1 - What does the abbreviation CNC stand for?Ch. 1.1 - What is the purpose of the drill press?Ch. 1.1 - What machine tool produces cylindrical parts?Ch. 1.1 - Briefly describe the primary purpose of sawing...Ch. 1.1 - What machine tool is available with either...Ch. 1.1 - Abrasive machining makes use of ______ to remove...
Ch. 1.1 - What does the abbreviation EDM stand for?Ch. 1.1 - What are the two types of EDM machines?Ch. 1.1 - __________ uses a high-pressure stream of water...Ch. 1.1 - Briefly describe the principle of laser machining.Ch. 1.2 - What is an engineering drawing and what is its...Ch. 1.2 - What is the primary duty of a machine tool...Ch. 1.2 - What occupation involves preparing tools and...Ch. 1.2 - Briefly describe a CNC programmers...Ch. 1.2 - Prob. 5RQCh. 1.2 - Prob. 6RQCh. 1.2 - What career advancement opportunities exist for...Ch. 1.2 - What career area related to machining deals with...Ch. 1.2 - What occupation requires knowledge of several...Ch. 1.2 - What is metrology?Ch. 1.3 - Briefly compare and contrast technical and...Ch. 1.3 - List four personal skills beneficial to achieving...Ch. 1.3 - Explain why two of the four personal skills from...Ch. 1.3 - List four technical skills beneficial to achieving...Ch. 1.3 - Explain why two of the four technical skills from...Ch. 1.3 - What is the purpose of CTE or vocational...Ch. 1.3 - What are the similarities and differences between...Ch. 1.3 - What is an apprenticeship?Ch. 1.3 - What are two different ways that apprenticeships...Ch. 1.3 - What is a journeyperson?Ch. 1.3 - What does NIMS stand for?Ch. 1.3 - Discuss how NIMS certification is different from...Ch. 1.3 - Briefly describe a portfolio and give an example...
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- What occupation requires knowledge of several different types of systems in order to troubleshoot and repair machine tools?arrow_forwardWhat are the different categories of work as distinguished by equipment requirements?arrow_forwardmanufacturing technology please answer as soon as possiblearrow_forward
- Explain why two of the four technical skills from question 4 are important in the machining field.arrow_forwardDiscuss how NIMS certification is different from traditional methods of school- or employer-based training for the machining industry.arrow_forwardDecision of machine replacement depends on appearance a new machine more efficiently and easier to use and has largest safety or encouraging the purchase price.arrow_forward
- QUESTION 2 Tool life is the most important factor in the evaluation of machinability. Tool life can be defined as the period of time which the tool cuts effectively and efficiently. A cutting tool should have a long tool life. On the other hand, the cutting speed decreases the tool life due to the abrasive action that occurs between the cutting tool and materials. The increase in cutting speed will decrease the machining time, thus reduce the total machining cost. Justify what actions should be taken to increase the tool life and at the same time shorten the machining time.arrow_forwardNumber of manufacturing processes are listed below. Each manufacturing process has some technological capabilities. Anticipate the best technological capability per each manufacturing process: Turning: Commonly used materials: ( metals, plastics, non-ferrous metals, composite materials, semiconductors). Process variations: ( can be automated, can not be automated, potential for linking with CAD very high). Typical applications: ( any component with rotational symmetrical elements, fillet corners and chamfer edges where possible to increase tool life, pressure vessels, I - section beams, engine blocks).arrow_forwardWhich one of the given options is right? a)Poor tolerance and surface finish in a part produced by broaching process b)The cutting tool used in broaching process is called single point tool c)Gear hobbing process is operated in special milling machines d)The tool used in a sawing process is called a broacharrow_forward
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