Precision Machining Technology
3rd Edition
ISBN: 9781337795302
Author: Peter, Hoffman.
Publisher: Cengage Learning,
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Textbook Question
Chapter 1.1, Problem 9RQ
What machine tool is available with either horizontal or vertical spindle orientation and uses rotating cutting tools to primarily produce flat surfaces?
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For pocket operation of 2 x 3 inch surface and dept of 0.06 in using 0.5 in end mill tool. What is the time required to finished a cut when the depth of cut is 0.3 inch and the feed rate 0.05 inch/rev, spindle RPM is 60.
The subject is Machine Shop Theory. Please make clear the solution and answer and understandable. Thanks
In an orthogonal machining with a tool of gº orthogonal rake angle, the uncut chip thickness is 0.2 mm. The chip thickness fluctuates between 0.25 mm and 0 4 mm what is the ratio of the maximum shear angle to the minimum shear angle during machining?
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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 type of cutting tool would most likely be used to machine the special long slots in a milling machine table?arrow_forwardWhat are the three common types of machining operations and what are the machine tools used in each of them called?arrow_forwardChoose the most appropriate answers. The unit of cutting parameter "Feed"........ Conveyors designed within a restricted area is an example of........ Milling method in which the cutter axis is parallel to the machining surface is....arrow_forward
- ME 408 - Machine Shop Theory and Practice How do you center a workpiece in a lathe machine with a four-jaw independent chuck?arrow_forwardFor face milling a 2 x 3 inch surface using 1.5 in face mill tool. What is the time required to finished a cut when the depth of cut is 0.02 inch and the feed rate 0.05 inch/rev, RPM is 60. The subject is Machine Shop Theory. Please make clear the solution and answer and understandable. Thanksarrow_forwardQ1. A job of diameter 30 mm is being machined at feed of s = 1.0 mm/rev and spindle speed of n = 500 rpm, with a tool of orthogonal rake angle ? = 5° and primary cutting edge angle ? = 60°. Determine the height at which the tool tip should be set to achieve actual rake angle of 0°.arrow_forward
- 21.11 Is there any advantage to having a built-up edge on a tool? Explain.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_forwardWhat feature of a lathe cutting tool has a direct effect on surface finish?arrow_forward
- What is the limitation of the tool bit taper turning method?arrow_forwardCalculate spindle RPM and machining time for cutting a 1.5" diameter 4" long at 225 SFPM using a feed rate of 0.004".arrow_forwardQ1) Explain the four types of chips formation with sketches? What is tool life in Lathe?arrow_forward
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