7
Section One
Introduction to Drafting and Print Reading
Unit 1
Prints: The Language of Industry
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11
Importance of Print Reading
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11
History of Prints
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12
How Prints Are Made
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12
Print Reading
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13
Care of Prints
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13
Electronic Formats for Drawings
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14
Importance of Standards for
Engineering Drawings
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14
Unit 2
Line Conventions and Lettering
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17
Alphabet of Lines
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17
Primary View Lines
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18
Section View Lines
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19
Dimensioning Lines
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20
Other Miscellaneous Lines
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21
Standardized Lettering
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23
Unit 3
Title Blocks and Part Lists
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35
Sheet Size and Format
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35
Borders and Zoning
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35
Basic Title Block Elements
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36
Intermediate Title Block Elements
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38
Revision History Block
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39
Part Lists
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40
Part Identification
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41
Section Two
Fundamentals of Shape Description
Unit 4
Geometric Terms and Construction
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55
Two-Dimensional Shape Terminology
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55
Three-Dimensional Form Terminology
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55
Orientation Terminology
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57
Specialized Geometric Shapes
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58
Summary
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59
Unit 5
Multiview Drawings
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73
Orthographic Projections of Views
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73
Projection Explained
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73
Selection of Views
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74
Dimensions of an Object
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76
Visualization of Objects
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76
Three Types of Surfaces
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77
Cylindrical and Curved Surfaces
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79
Fillets, Rounds, and Runouts
. . . . . . . . . . .
80
Meanings of a Multiview Line
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80
First-Angle and
Third-Angle Projection
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81
Unit 6
Section Views
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99
Section View Lines and Principles
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99
Section View Types
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101
Conventional Practice in Section Views
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103
Other Section View Practices
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104
Sections in Assembly Drawings
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104
Expanded Table of Contents