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 6.3, Problem 14RQ
When roughing a pocket, should you machine in a clockwise or counterclockwise direction, and why?
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Saslg dbi In lathe machine, the work piece ® st rotates about an axis that is outside the chuck. O the axis that is parallel to the cross slide. O the axis of the chuck. O none of the above ()
a. If rough milling of mild steel is performed using High Speed Steel (HSS) side and face
milling cutter of 100 mm diameter, what rpm should be used.
b. If finish turning of a shaft is done to reduce its diameter from 24 mm to 20 mm using
carbide tool, what rpm should be used.
Metric Surface Speeds in m/min (Cutting Speed)
Tool Material
Aluminum
Drilling
Carbide
90 - 115
Milling - Rough
Carbide
Milling - Finish
Carbide
120 - 240
Turning
Carbide Rough Carbide Finish
HSS
HSS
HSS
55 - 60
120 - 240
150 - 270
75 - 105
60 - 90
60 - 90
135 - 180
Brass
40 - 45
75 - 100
45 - 60
60 - 75
90 - 210
105 - 210
135 - 260
35 - 45
55 - 75
60 - 90
75 - 105
60 - 100
Cast Iron
12 - 18
15 - 25
25 - 30
60 - 90
75 - 135
Mild Steel
10 - 15
75 - 105
75 - 120
18 - 27
18 -3-
45 - 60
23 - 40
100 - 145
Stainless Steel
8 - 18
25 - 37
10 - 15
55 - 67
12 - 25
85 - 150
describe in detail how to “tram” the tool head of a manual vertical milling machine. in other words, what process ensures the alignment of the tool head about the table and saddle axes?
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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Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, mechanical-engineering and related others by exploring similar questions and additional content below.Similar questions
- Please answer all parts within 30 mins to get a thumbs up! Please show neat and clean work . I will upvote for sure .arrow_forwardTRUE OR FALSE. IF FALSE WHAT WORD MAKES THE STATEMENT INCORRECT AND WHAT IS THE CORRESPONDING CORRECT ANSWER. In Machining the chip dissipates most of the energy. Thus, it has the lowest temperature relative to the workpiece and tool.arrow_forwardneed handwritten answersarrow_forward
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