Contents 11
Section 2
Drafting Techniques and
Skills 162
6 Basic Geometric Constructions 163
Drafting Procedures appear on pages 165–209. See
listing following Expanded Contents.
Constructing Lines 164
Constructing Angles 169
Constructing Polygons 173
Constructing Circles and Arcs 191
7 Advanced Geometric
Constructions 213
Drafting Procedures appear on pages 214–237. See
listing following Expanded Contents.
Conic Sections 213
Constructing an Ellipse • Constructing a Parabola
• Constructing a Hyperbola
Constructing Other Curves 228
The Spiral of Archimedes • The Helix • Cycloids
• Involutes
8 Multiview Drawings 241
Drafting Procedures appear on pages 260–261. See
listing following Expanded Contents.
Orthographic Projection 243
The Projection Technique • Alternate Location of
Views • Projecting Elements • Selecting Views
• Summary of Factors for Selecting Views • Space
Allotment for Multiview Drawings • Projecting
Hidden Lines and Surfaces • Determining Precedence
of Lines • Removed Views • Partial Views
Conventional Drafting Practices 253
Drawing Fillets and Rounds • Drawing Runouts
• Drawing Right-Hand and Left-Hand Parts
• Drawing Cylinder Intersections • Revolving
Radial Features • Drawing Parts in Alternate
Positions • Drawing Repeated Details
First-Angle and Third-Angle
Projections 257
Visualizing an Object From a Multiview
Drawing 259
Laying Out a Drawing 260
9 Dimensioning Fundamentals 281
Elements in Dimensioning 282
Dimension Lines • Extension Lines • Leaders
• Arrowheads • Dimension Figures
• Unidirectional and Aligned Dimensioning
• Dimensioning within the Outline of an Object
Dimensioning Systems 285
Decimal Inch Dimensioning • Fractional
Dimensioning • Metric Dimensioning • Dual
Dimensioning
Dimensioning Features for Size 288
Cylinders • Circular Arcs • Foreshortened Radii
• True Radius Indication • Fillets and Corner
Radii • Round Holes • Hidden Features • Knurls
• Angular Dimensions • Chamfers • Counterbored
Holes and Spotfaces • Countersunk Holes and Depth
Dimensions • Counterdrilled Holes • Arc Lengths
• Dimension Origin Symbol • Square Symbol
• Diameter and Radius Symbols • Offsets • Keyseats
• Undercuts and Narrow Spaces • Conical and Flat
Tapers • Irregular Curves • Symmetrical Curves
• Rounded Ends • Slotted Holes
Dimensioning Features for Location 295
Point-to-Point Dimensioning • Coordinate
Dimensioning • Tabular Dimensioning • Ordinate
Dimensioning
Unnecessary Dimensions 298
Notes 298
Size, Spacing, and Alignment of Notes • General
Notes • Local Notes
Rules for Good Dimensioning 299
Dimensioning CAD Drawings 301
Dimension Styles • Dimensioning Commands
• Creating Notes
10 Section Views 315
Drafting Procedures appear on pages 324–325. See
listing following Expanded Contents.