Precision Machining Technology (MindTap Course List)
2nd Edition
ISBN: 9781285444543
Author: Peter J. Hoffman, Eric S. Hopewell, Brian Janes
Publisher: Cengage Learning
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Textbook Question
Chapter 6.2, Problem 3RQ
Which type of cutter would most likely be used to machine a half-moon-shaped slot into a shaft to accommodate a key to secure a flywheel?
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Question 1
By using a labelled diagram describe the function of a horizontal milling machine.
Describe two methods of producing screw threads in the workshop.
Describe the various tool life criteria that are used to estimate the life of a cutting tool.
Describe the various milling cutters that are used on a vertical and horizontal milling machine and state for what purpose they are used.
Describe 2 methods of producing tapers on a lathe machine.
Your answers to each question should be supported by suitable diagrams for clarity.
What type of cutter is needed to create gears on the horizontal mill?
Identify the type of milling operation in which the cutter axis is perpendicular to the
workpiece being machined.
angular milling
face milling
straddle milling
gang milling
Chapter 6 Solutions
Precision Machining Technology (MindTap Course List)
Ch. 6.1 - What part of the vertical milling machine allows...Ch. 6.1 - Briefly describe the direction of movement...Ch. 6.1 - When a table handle is turned clockwise the table...Ch. 6.1 - What distance does the saddle or table usually...Ch. 6.1 - Prob. 5RQCh. 6.1 - Briefly describe the function of the turret and...Ch. 6.1 - What is the name of the taper found in most modem...Ch. 6.1 - What part of the vertical mill can be raised and...Ch. 6.1 - How can power quill feed be automatically stopped...Ch. 6.1 - What is a benefit of using a DRO instead of...
Ch. 6.2 - Many of the cutters used in machining are made of...Ch. 6.2 - What type of cutting tool would most likely be...Ch. 6.2 - Which type of cutter would most likely be used to...Ch. 6.2 - What workpiece factors might cause a four-flute...Ch. 6.2 - List three types of milling cutters that are used...Ch. 6.2 - Most manual vertical milling machine spindles are...Ch. 6.2 - A __________ is used to retain the toolholder in...Ch. 6.2 - What type of toolholder might he selected for...Ch. 6.2 - Sketch a corner-rounding endmill.Ch. 6.2 - What toolholding device uses two drive keys and a...Ch. 6.2 - Prob. 11RQCh. 6.2 - List the four basic pieces of a step clamp set: a....Ch. 6.2 - Prob. 13RQCh. 6.2 - Irregularly shaped work may be held in a custom...Ch. 6.3 - List five safety guidelines to observe when...Ch. 6.3 - Briefly describe the process of aligning a milling...Ch. 6.3 - What is chip load?Ch. 6.3 - Define IPM.Ch. 6.3 - Calculate spindle speed and feed for the two...Ch. 6.3 - Briefly describe the process of locating the...Ch. 6.3 - What are two benefits of boring over other...Ch. 6.3 - What are face milling and peripheral milling?Ch. 6.3 - When squaring a block on the vertical mill, what...Ch. 6.3 - What are the three basic methods used to mill...Ch. 6.3 - What must first be done before milling with either...Ch. 6.3 - Prob. 12RQCh. 6.3 - What diameter cutter should be used to create...Ch. 6.3 - When roughing a pocket, should you machine in a...Ch. 6.4 - What is a rotary axis?Ch. 6.4 - Define the term indexing.Ch. 6.4 - Describe the primary differences between the...Ch. 6.4 - Name three types of workpiece features that are...Ch. 6.4 - Briefly describe the two alignment steps that need...Ch. 6.4 - If the outside of a 6"-diameter disk is to be...Ch. 6.4 - What is the gear ratio found in the gear train of...Ch. 6.4 - When using the indexing head, a __________ can be...Ch. 6.4 - A workpiece requires 9 divisions. Calculate the...Ch. 6.4 - In the formula 40D=T,what do T and D represent?
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- What diameter cutter should be used to create 3/16" radii in the corners of a pocket?arrow_forwardIdentify the type of milling operation in which the cutter axis is perpendicular to the workpiece being machined. face milling angular milling straddle milling gang millingarrow_forwardSample Problem 3 How long will it take to mill a % inch by 2 long keyway in a 3 in diameter shafting with a 24 tooth cutter turning at 100 rpm and 0.005 inch feed per tooth?arrow_forward
- Identify the part of a lathe machine which is used to take the cutting forces and vibrations during the machining process. Headstock Tailstock Tool post Bedarrow_forwardWhat is a rotary axis?arrow_forwardUsed to mesh worm gears and transmit motion between two shafts at right angles to each other but not in same plane a. Unified thread c. Helical thread b. Worm thread d. Brown & Sharpe Worm Thread _______has a work table-which may be swivelled around two horizontal axes and also adjusted horizontally and vertically. a . Standard Shaper c. Swivelled shaper b. Horizontal Shaper d. Universal shaper _____are defined as headed fasteners having external threads that meet an exacting,uniform bolt thread specification such that they can accept a non-tapered nut. a Bolts c. Screw b. Non tapered nut d. External threaded rod _______ defined as headed, externally-threaded fasteners that do not meet the above definition of bolts. a. fasteners…arrow_forward
- A batch of 10 cutting tools could produce 500 components while working at 50 rpm with a tool feed of 0.25 mm/rev and depth of cut of 1 mm. A similar batch of 10 tools of the same specification could produce 122 components while working at 80 rpm with a feed of 0.25 mm/rev and 1 mm depth of cut. How many components can be produced with one cutting tool at 60 rpm?arrow_forwardQuestion 19 Which of the following machine tools is the most suitable one for machining of relatively large batches with several operations? Answers: a. Toolroom lathe b. Turret lathe c. Vertical turret lathe d. Engine lathe e. Speed lathe Consider the following statements on milling machines 1. 2. Facing cutters have a tapered or straight shanks End mills usually are bolted at the end of a stub arbor 3 Plain milling cutters are used for profilling as well Answers: a. Only 2 and 3 are correct b. Only 1 and 2 are correct c. Only 1 and 3 are conect d. None of them is correct e Only 1 is correct Question 21 Find the incorrect statement about center type cylindrical grinding. (If you cannot find an incorrect statement among items a, b, c and d then code "e" for this question) Answers: & Workpiece rotates b. Grinding wheel rotates Usually workpiece traverses d, Depth of cut is usually determined by infeed of the grinding wheel e. All are correct Consider the following statements about…arrow_forwardThe advantage of a universal chuck is that it can handle rectangular shape workpieces. Select one: True Falsearrow_forward
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