10 Drafting & Design
3 Introduction to CAD 77
What Is CAD? 77
Why Use CAD? 78
Productivity • Flexibility • Uniformity • Scale
Mechanical CAD Applications 80
Schedule Automation • Renderings • Animations
CAD Workstation 82
Computer Components • Storage Devices • Display
Devices • Input Devices • Output Devices
Selecting a CAD Package 84
General Purpose CAD Packages 85
Objects • Dimensions • Hatch Patterns • Text
Editing • Layers, Colors, and Linetypes
• Coordinate Entry and Command Entry • Drawing
Units • Display Controls and Drawing Aids
• Printing or Plotting • Program Customization
• 3D Capability • Data Exchange
Advanced Mechanical Drafting and
Modeling CAD Packages 89
Solid Modeling Tools • Parametric Modeling
• Automatic 2D View Generation • Mechanical Part
Symbols • CAD/CAM
AEC CAD Packages 93
Schedule Generation • Space Diagram Generation
• Stair Generation • Hatch Patterns • Walls
• Symbols • Building Information Modeling
4 CAD Commands and Functions 101
File Management Commands 102
Coordinate Systems 102
Drawing Commands 104
Line • Double Line • Point • Circle • Arc
• Spline • Ellipse • Rectangle • Polygon • Text
• Hatch
Editing and Inquiry Commands 108
Erase • Undo • Move • Copy • Mirror • Rotate
• Scale • Fillet • Chamfer • Trim • Extend
• Array • List/Properties • Distance • Area
Display Control Commands 114
Zoom • Pan • View • Redraw/Regenerate
Dimensioning Commands 115
Drawing Aids 115
Grid • Snap • Ortho
Layers 117
Colors and Linetypes 118
Blocks and Attributes 118
3D Drawing and Viewing Commands 119
Isometric Drawing • 3D Modeling • 3D Views
• User Coordinate Systems
3D Animation and Rendering
Commands 121
5 Sketching, Lettering, and Text 131
Sketching Equipment 131
Paper
Sketching Techniques 132
Sketching Horizontal Lines • Sketching Vertical Lines
• Sketching Inclined Lines and Angles • Sketching
Circles and Arcs • Sketching Ellipses • Sketching
Irregular Curves • Proportion in Sketching
Technical Lettering Overview 139
Pencil Techniques 140
Styles of Lettering 140
Guidelines 141
Single-Stroke Gothic Lettering 142
Combining Large and Small Uppercase Letters
• Proportion in Letters and Numerals • Stability
in Letters and Numerals • Quality of Lettering
• Composition of Words and Lines • Size of Letters
and Numerals • Notes on Drawings • Balancing
Words in a Space • Lettering on Drawings to Be
Microfilmedfi
Lettering with Ink 148
Technical Pen • Mechanical Lettering Devices
Transfer Type and Overlays 149
Creating Text on CAD Drawings 150
Text Style Settings • Setting Justifi • Setting fication
Rotation • Entering Text • Editing Text • Checking
Spelling