8 Print Reading for Industry
Unit 7
Auxiliary Views
. . . . . . . . . . . . . . . . . . . . . .
119
Auxiliary View Principles and Purposes
. .
119
Visualizing Auxiliary Views
. . . . . . . . . . .
120
Auxiliary View Types
. . . . . . . . . . . . . . . . .
121
Unit 8
Screw Thread Representation
. . . . . . .
137
Thread Terms and Definitions
. . . . . . . . . .
137
Screw Thread Forms
. . . . . . . . . . . . . . . . . .
138
Thread Representation
. . . . . . . . . . . . . . . .
138
Thread Characteristics
. . . . . . . . . . . . . . . . .
140
Specification of Screw Threads
. . . . . . . . .
142
Metric Threads
. . . . . . . . . . . . . . . . . . . . . . . .
144
Pipe Threads
. . . . . . . . . . . . . . . . . . . . . . . . . .
145
Summary
. . . . . . . . . . . . . . . . . . . . . . . . . . . . .
146
Section Three
Fundamentals of Size Description and
Annotations
Unit 9
Dimensioning
. . . . . . . . . . . . . . . . . . . . . . .
159
Dimensioning Mechanics
. . . . . . . . . . . . . .
159
Dimensioning Rules of Choice and
Placement
. . . . . . . . . . . . . . . . . . . . . . . . . . .
161
Additional Dimensioning Techniques
. .
165
Notes and Special Features
. . . . . . . . . . . .
166
Unit 10
Tolerancing
. . . . . . . . . . . . . . . . . . . . . . . . . .
183
Tolerancing Terms
. . . . . . . . . . . . . . . . . . . . .
183
American Standard Tolerances
. . . . . . . . .
186
Metric Tolerances and Fits
. . . . . . . . . . . . .
188
Tolerancing Methods
. . . . . . . . . . . . . . . . . .
190
Unit 11
Machining Specifications and
Drawing Notes
. . . . . . . . . . . . . . . . . . . . . .
201
Notes
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
201
Holes
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
202
Common Machining Operations
. . . . . . .
204
Unit 12
Surface Texture Symbols
. . . . . . . . . . . .
221
Surface Texture Terms
. . . . . . . . . . . . . . . . .
221
Surface Texture Symbol
. . . . . . . . . . . . . . . .
222
Application Examples for Surface
Texture Symbols
. . . . . . . . . . . . . . . . . . . . .
225
Special Surface Finish Designations
. . . .
227
Unit 13
Geometric Dimensioning and
Tolerancing
. . . . . . . . . . . . . . . . . . . . . . . . .
239
Geometric Dimensioning and
Tolerancing Symbols
. . . . . . . . . . . . . . . . .
240
GD&T Terminology
. . . . . . . . . . . . . . . . . . .
240
Datums
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
243
Standardized Meaning of Size
. . . . . . . . .
245
Material Condition Applicability
. . . . . . .
245
Historical Summary
. . . . . . . . . . . . . . . . . . .
246
Form Tolerances
. . . . . . . . . . . . . . . . . . . . . .
246
Orientation Tolerances
. . . . . . . . . . . . . . . .
248
Profile Tolerance
. . . . . . . . . . . . . . . . . . . . . .
249
Runout Tolerance
. . . . . . . . . . . . . . . . . . . . .
251
Tolerances of Location
. . . . . . . . . . . . . . . . .
252
Composite Tolerancing
. . . . . . . . . . . . . . . .
255
Other Specifications
. . . . . . . . . . . . . . . . . . .
255
Unit 14
Drawing Revision Systems
. . . . . . . . . .
269
Revision Process
. . . . . . . . . . . . . . . . . . . . . .
269
Noting the Revision
. . . . . . . . . . . . . . . . . . .
271
Revision History Block
. . . . . . . . . . . . . . . .
272
Multisheet Revision History
. . . . . . . . . . .
274
Other Revision System Features
. . . . . . . .
274
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