xvi
Parallel Straightedge ...............................59
Triangles ................................................59
Drafting Machine ....................................59
Compass ................................................60
Dividers .................................................61
Pencil Pointer ..........................................61
Erasers ...................................................62
Electric Erasers .......................................63
Erasing Shield ........................................63
Media Fasteners .....................................63
Dusting Brush .........................................63
Dry Cleaning Pads and Drafting Powder...64
Protractor ...............................................65
French Curves .........................................65
Templates ...............................................65
Drafting Media .......................................66
Pencils ...................................................66
Inking ...................................................70
Scales ....................................................71
Computer-Aided Drafting Equipment ........73
Inspecting, Maintaining, and Servicing
Drafting Tools ...................................75
Working Safely .......................................76
Ergonomic Guidelines .............................77
Chapter 5 Chapter 5
Drafting Techniques ...................... 80
Line Conventions .....................................83
Using a Scale .........................................86
Drawing Lines with Instruments .................89
Drawing a Line Perpendicular to a
Given Line ........................................92
Erasing Errors .........................................93
Using a Compass ....................................94
Darkening Lines ......................................94
Attaching a Drawing Sheet to the Board ...96
Drafting Sheet Formats ............................97
Contents Contents
Chapter 1 Chapter 1
Why Study Drafting? ...................... 2
Chapter 2 Chapter 2
Careers in Drafting ........................ 12
Drafting Occupations ..............................14
Industrial Designers .................................16
Tool Designers ........................................16
Interior Designers ....................................16
Teachers .................................................17
Engineers ...............................................18
Architects ...............................................19
Modelmakers ..........................................19
Technical Illustrators ................................21
Leadership in Drafting Technology ............21
What to Expect When You Enter the
World of Work .................................23
Where to Get Information about Careers
in Drafting Technology ......................23
Time Management ..................................23
Employer Expectations.............................24
Chapter 3 Chapter 3
Sketching ......................................... 28
Alphabet of Lines ....................................31
Sketching Guidelines ...............................36
Guidelines for Overlapping Lines .............36
Sketching Geometric Shapes ....................36
Sheet Layout for Sketching .......................46
Enlarging and Reducing Drawings ...........46
Chapter 4 Chapter 4
Drafting Equipment ...................... 56
Drawing Board .......................................58
T-Square ................................................58