Machine Tool Operation ...

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McGraw-Hill book Company, Incorporated, 1919 - Lathes - 512 pages
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Contents

How are These Characteristics Acquired?
19
CHAPTER II
22
Running a Lathe
24
Parts of the Lathe
25
A Few Suggestions
28
The Bed
29
The Tailstock
30
The Carriage
31
The Thread Cutting Mechanism
32
How Different Speeds are Obtained
34
Driving and Driven Pulleys
35
Driving and Driven Follower Gears
36
Simple Gear Train
37
Compound Gear Train
38
Direct Spindle Speeds
39
Back Gears
40
Revolutions per Minute r p m
41
Changing Belts
42
The Tumbler Gear Train and the Change Gear Train
43
The Tumbler Gears
45
The Intermediate Gear in the Change Gear Train
46
Apron Mechanism Flather Lathe
48
Apron Mechanism American Lathe
49
Features of Highduty Lathes
51
Double Back Gears or Reducing Gears
52
Hendey Lathe Geared Head M
54
American Lathe Geared Head
56
CHAPTER III
59
Cutting Tools Used in Lathe Work
62
Clearance Angles
63
Rake Angles
64
Keep Cutting Tools Sharp
67
Definitions of Speed Feed and Chip N 56 The Time Element
70
Cutting Feeds and Speeds
71
Cutting Speed Calculations
72
CHAPTER IV
74
Calipers
75
Measuring with a Caliper
76
Setting and Reading an Outside Caliper
77
The Micrometer Caliper
78
Holding a Micrometer
80
CHAPTER V
82
Importance of Carefully Locating the Center
83
The Centering Machine
84
Use of Center Punch
86
Drilling and Reaming the Center
87
Size of Centers
88
Removing a Broken Center Drill
89
CHAPTER VI
91
The Facing Operation
92
CHAPTER VII
96
Position of the Dead Center
98
Accuracy of the Live Center
99
Cleaning and Truing the Lathe Centers
100
Setting the Tool
101
Direction of the Feed
103
Oiling the Centers
104
Lost Motion in the Cross Feed
105
Quicker Methods of Aligning Centers
106
Setting the Speed
107
The Forming Tool
114
Necking H 97 The Center Rest H 98 The Follower Rest
115
The Standard Mandrel
119
Using a Mandrel
120
Other Forms of Mandrels
121
Turning a Crank Shaft or an Eccentric
123
f Chucking Work 104 Kinds of Chucks
125
Mounting the Chuck on the Spindle
127
Radial Facing
128
The Cuttingoff Operation 1
129
Chattering I
130
The Flat Drill 13i 112 The Twist Drill
132
Sharpening a Drill
133
Speeds and Feeds of Twist DrillsCutting Compounds
136
The Reamer
138
Drilling in a LatheSpotting the Center
141
Operation of Drilling the Hole
142
Machine Reaming 119 Hand Reaming
144
Fitting a Taper to a Gauge
157
Gauging the Size of a Taper
158
Boring Tapers with Taper Attachment
160
Fitting Taper Holes
161
Angles
163
Classification of Angles
164
The Use of the Compound Rest for Turning Angles
165
The Bevel Protractor
167
CHAPTER X
170
Definitions of Thread Parts
171
Thread Standards
172
The Dimensions of the U S Standard Thread
173
Formula for Finding Exact Root Diameter of U S Std Thread
176
Taps
177
Tap Sets
178
Length of Tapped Hole
179
The Threading Die
182
Definitions and Explanations of Terms Used
183
Operation of the Gears
186
Calculating the Sizes of Gears to Cut a Given Thread
187
Compound Gearing
188
Operation of Cutting the Thread
190
Preliminary Hints on Thread Cutting
191
The Thread Stop
193
Threewire Method of Measuring Threads
194
The Use of the Compound Rest for Cutting Threads
195
Four Ways of Catching the Thread after Resetting the Tool
197
To Cut an Inside Thread
198
Cutting a Square Thread
199
Cutting an Acme Thread
202
Multiple Threads
204
Cutting a Multiple Thread
205
CHAPTER XI
208
Typical Face Plate Setups
210
Hints on Face Plate Work
212
BENCH WORK AND WORK AT THE FORGE
215
CHAPTER XII
217
Hammers
218
Screwdrivers
219
Wrenches
221
Action of Check Nut
224
The Hack Saw
225
Hacksaw Frames
226
Hints on Hack Sawing
227
CHAPTER XIII
229
Scribing the Lines
231
The Operation of Layingout
232
CHAPTER XIV
235
Grinding a Cold Chisel
236
The Operation of Chipping
237
Hints on Chipping
238
Use of Files
240
The Safe Edge
244
File Handles
245
Cross Filing
246
Operation of Filing
248
Drawfiling
250
Needle Handle Files
252
Reasons for Scraping
254
Tools Used for Scraping a Flat Surface
255
Sharpening the Flat Scraper
256
The Scraping Operation
257
Hints on Scraping
258
Scraping Curved Surfaces
259
CHAPTER XV
261
Cleaning the Surfaces Fluxes
262
Soldering Coppers
263
Tinning a Copper
264
Brazing
265
Babbitt
266
Babbitting a Bearing
267
Steel
269
Machine Steel and Carbon Tool Steel
270
Hardening
271
Appendix
277
Index
319
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