Rent 9780766828971 | Interpreting Engineering Drawings

Summary Table of Contents

Designed to provide a complete and customized learning experience for each reader, this edition of our popular Interpreting Engineering Drawings book now features expanded units on "Drawings for Numerical Control" and "Manufacturing Materials." The first section acquaints readers with topics that are universally applicable to the interpretation of all mechanical/industrial drawings, such as: drawing standards, abbreviations, basic rules for dimensioning, reading and measuring with US inch and SI metric scales, plus different types of sectional ... MORE

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Preface

About the Author

xiii

Acknowledgments

xiv

Unit 1

(11)

Bases for Interpreting Drawings

(2)

Visible Lines

(1)

Lettering on Drawings

(1)

Sketching

(1)

Third-Angle Projection

(3)

ISO Projection Symbol

(1)

Title Block

(5)

Assignments

Sketching Missing Views

(1)

Sketching Three Views

(1)

Sketching Pictorial Views

(1)

Unit 2

(10)

Working Drawings

(1)

Dimensioning

(2)

Linear Units of Measurement

(1)

SI (Metric) Units of Measurements

(1)

Choice of Dimensions

(1)

Basic Rules for Dimensioning

(1)

Information Shown on Assignment Drawings

(1)

Reference

(5)

Assignments

Corner Block

(1)

Step Bracket

(1)

Counter Clamp Bar

(1)

Dimensioning

(1)

Unit 3

(9)

The Drafting Office

(1)

Drawing Reproduction

(2)

Abbreviations Used on Drawings

(1)

Hidden Lines

(6)

Assignments

Matching Drawings-1

(1)

Matching Drawings-2

(2)

Feed Hopper

(1)

Sketching Three Views

(1)

Unit 4

(8)

Inclined Surfaces

(1)

Measurement of Angles

(8)

Assignments

Sketching Three Views

(1)

Sketching Missing Views

(1)

Adapter

(1)

Guide Block

(1)

Base Plate

(1)

Unit 5

(8)

Circular Features

(1)

Center Lines

(1)

Dimensioning of Cylindrical Features

(1)

Dimensioning of Cylindrical Holes

(1)

Repetitive Features and Dimensions

(1)

Drilling, Reaming, and Boring

(2)

Identifying Similarly Sized Features

(1)

Rounds and Fillets

(5)

Assignments

Sketching Circular Features

(2)

Coupling

(1)

Sketching Missing Views

(1)

Unit 6

(9)

Drawing to Scale

(2)

Inch and Foot Scales

(1)

SI (Metric Scales)

(1)

Machine Slots

(1)

Symmetrical Outlines

(1)

Reference Dimensions

(6)

Assignments

Reading Scales

(1)

Measuring with Scales

(2)

Compound Rest Slide

(1)

Unit 7

(6)

Machining Symbols

(1)

Not-to-Scale Dimensions

(1)

Drawing Revisions

(1)

Break Lines

(1)

Reference

(3)

Assignment

Offset Bracket

(1)

Unit 8

(13)

Sectional Views

(2)

Types of Sections

(2)

Countersinks, Counterbores, and Spotfaces

(1)

Intersection of Unfinished Surfaces

(8)

Assignments

Sketching Full Sections

(2)

Slide Bracket

(2)

Base Plate

(1)

Sketching Half Sections

(1)

Unit 9

(5)

Chamfers

(1)

Undercuts

(1)

Tapers

(1)

Knurls

(1)

Reference

(4)

Assignments

Handle

(1)

Indicator Rod

(1)

Unit 10

(5)

Selection of Views

(1)

One- and Two-View Drawings

(1)

Multiple-Detail Drawings

(5)

Assignments

Centering Connector Details

(1)

Link

(1)

Unit 11

(11)

Surface Texture

(3)

Surface Texture Symbol

(1)

Surface Texture Ratings

(1)

Control Requirements

(1)

Reference

(6)

Assignments

Sketch Missing Views

(2)

Hanger Details

(1)

Unit 12

(8)

Tolerances and Allowances

(1)

Definitions

(1)

Tolerancing Methods

(2)

Reference

(5)

Assignments

Inch Tolerances and Allowances

101

(2)

Millimeter Tolerances and Allowances

103

(1)

Unit 13

104

(6)

Inch Fits

104

(1)

Description of Fits

104

(2)

Standard Inch Fits

106

(2)

References

108

(2)

Assignment

Inch Fits Basic Hole System

109

(1)

Unit 14

110

(9)

Metric Fits

110

(2)

Reference

112

(7)

Assignments

Metric Fits Basic Hole System

115

(2)

Bracket

117

(1)

Swivel

118

(1)

Unit 15

119

(12)

Threaded Fasteners

119

(1)

Threaded Assemblies

119

(1)

Threaded Holes

120

(1)

Inch Threads

120

(2)

Right- and Left-Handed Threads

122

(1)

Metric Threads

122

(2)

Reference

124

(7)

Assignments

Shaft Intermediate Support

125

(2)

Drive Support Details

127

(2)

Housing Details

129

(1)

V-Block Assembly

130

(1)

Unit 16

131

(5)

Revolved and Removed Sections

131

(1)

Reference

131

(5)

Assignments

Terminal Block

133

(2)

Shaft Supports

135

(1)

Unit 17

136

(10)

Keys

136

(1)

Setscrews

137

(1)

Flats

138

(1)

Bosses and Pads

138

(1)

Dimensioning Origin Symbol

138

(1)

Rectangular Coordinate Dimensioning Without Dimension Lines

139

(1)

Rectangular Coordinate Dimensioning in Tabular Form

139

(1)

References

139

(7)

Assignments

Terminal Stud

141

(2)

Rack Details

143

(2)

Support Bracket

145

(1)

Unit 18

146

(5)

Primary Auxiliary Views

146

(1)

Reference

146

(5)

Assignments

Inclined Stop

149

(1)

Gear Box

150

(1)

Unit 19

151

(6)

Secondary Auxiliary Views

151

(1)

Reference

152

(5)

Assignments

Identifying Oblique Surfaces

153

(2)

Hexagon Bar Support

155

(1)

Completing Oblique Surfaces

156

(1)

Unit 20

157

(7)

Development Drawings

157

(1)

Joints, Seams, and Edges

157

(1)

Sheet Metal Sizes

157

(1)

Straight Line Development

157

(3)

Stampings

160

(4)

Assignments

Letter Box

162

(1)

Bracket

163

(1)

Unit 21

164

(6)

Arrangement of Views

164

(6)

Assignments

Index Pedestal

167

(1)

Mounting Plate

168

(1)

Contact Arm

169

(1)

Unit 22

170

(12)

Piping

170

(2)

Piping Drawings

172

(2)

Pipe Drawing Symbols

174

(3)

Reference

177

(5)

Assignments

Engine Starting Air System

179

(2)

Boiler Room

181

(1)

Unit 23

182

(6)

Bearings

182

(1)

Plain Bearings

182

(2)

Premounted Bearings

184

(1)

References

184

(4)

Assignments

Adjustable Shaft Support

185

(2)

Corner Bracket

187

(1)

Unit 24

188

(10)

Manufacturing Materials

188

(1)

Steel

188

(2)

Plastics

190

(1)

Rubber

191

(7)

Assignments

Crossbar

193

(2)

Oil Chute

195

(1)

Parallel Clamp Details

196

(1)

Caster Assembly

197

(1)

Unit 25

198

(13)

Castings

198

(2)

Cast Irons

200

(1)

Casting Design

201

(2)

Cored Castings

203

(1)

Machining Lugs

203

(1)

Surface Coatings

204

(1)

References

204

(7)

Assignments

Offset Bracket

205

(2)

Trip Box

207

(2)

Auxiliary Pump Base

209

(1)

Slide Valve

210

(1)

Unit 26

211

(6)

Chain Dimensioning

211

(1)

Base Line Dimensioning

211

(1)

Reference

211

(6)

Assignments

Interlock Base

215

(1)

Contactor

216

(1)

Unit 27

217

(7)

Alignment of Parts and Holes

217

(1)

Partial Views

218

(1)

Naming of Views for Spark Adjuster

219

(1)

Drill Sizes

219

(1)

Reference

219

(5)

Assignments

Spark Adjuster

221

(2)

Control Bracket

223

(1)

Unit 28

224

(8)

Broken-out and Partial Sections

224

(1)

Webs in Section

224

(1)

Ribs in Section

224

(2)

Spokes in Section

226

(1)

Reference

226

(6)

Assignments

Raise Block

229

(2)

Coil Frame

231

(1)

Unit 29

232

(10)

Pin Fasteners

232

(4)

Section Through Shafts, Pins, and Keys

236

(1)

Arrangement of Views of Drawing A-77M

236

(1)

References

236

(6)

Assignments

Spider

239

(2)

Hood

241

(1)

Unit 30

242

(5)

Drawings for Numerical Control

242

(1)

Dimensioning for Numerical Control

242

(1)

Dimensioning for Two-Axis Coordinate System

242

(5)

Assignments

Cover Plate

245

(1)

Terminal Board

246

(1)

Unit 31

247

(9)

Assembly Drawings

247

(2)

Bill of Material (Items List)

249

(1)

Swivels and Universal Joints

249

(1)

Reference

250

(6)

Assignments

Universal Trolley

253

(2)

Parallel Clamp Assembly

255

(1)

Unit 32

256

(6)

Structural Steel Shapes

256

(1)

Phantom Outlines

257

(1)

Conical Washers

258

(1)

Reference

258

(4)

Assignments

Four-wheel Trolley

261

(1)

Unit 33

262

(9)

Welding Drawings

262

(1)

Welding Symbols

262

(3)

Fillet Welds

265

(2)

References

267

(4)

Assignments

Fillet Welds

269

(1)

Shaft Support

270

(1)

Unit 34

271

(8)

Groove Welds

271

(2)

Supplementary Symbols

273

(2)

References

275

(4)

Assignments

Base Skid

277

(1)

Groove Welds

278

(1)

Unit 35

279

(11)

Other Basic Welds

279

(6)

References

285

(5)

Assignments

Base Assembly

287

(1)

Plug, Slot, and Spot Welds

288

(1)

Seam and Flange Welds

289

(1)

Unit 36

290

(9)

Gears

290

(1)

Spur Gears

291

(4)

Reference

295

(4)

Assignments

Spur Gear

297

(1)

Spur Gear Calculations

298

(1)

Unit 37

299

(5)

Bevel Gears

299

(1)

Reference

299

(5)

Assignment

Miter Gear

303

(1)

Unit 38

304

(5)

Gear Trains

304

(5)

Assignments

Motor Drive Assembly

307

(1)

Gear Train Calculations

308

(1)

Unit 39

309

(6)

Cams

309

(6)

Assignments

Cylindrical Feeder Cam

313

(1)

Plate Cam

314

(1)

Unit 40

315

(9)

Antifriction Bearings

315

(2)

Retaining Rings

317

(1)

O-Ring Seals

317

(1)

Clutches

317

(1)

Belt Drives

317

(4)

References

321

(3)

Assignment

Power Drive

323

(1)

Unit 41

324

(4)

Ratchet Wheels

324

(4)

Assignment

Winch

327

(1)

Unit 42

328

(12)

Modern Engineering Tolerancing

328

(2)

Geometric Tolerancing

330

(1)

Feature Control Frame

330

(3)

Form Tolerances

333

(1)

Straightness

333

(1)

Straightness Controlling Surface Elements

333

(3)

Reference

336

(4)

Assignment

Straightness Tolerance Controlling Surface Elements

339

(1)

Unit 43

340

(12)

Straightness of a Feature of Size

340

(1)

Feature of Size Definitions

340

(2)

Material Condition Symbols

342

(1)

Examples

342

(1)

Maximum Material Condition (MMC)

343

(1)

Regardless of Feature Size (RFS)

344

(1)

Least Material Condition (LMC)

344

(1)

Straightness of a Feature of Size

345

(4)

Reference

349

(3)

Assignment

Straightness of a Feature of Size

351

(1)

Unit 44

352

(6)

Form Tolerances

352

(1)

Flatness

352

(1)

Circularity

353

(1)

Cylindricity

354

(1)

Reference

355

(3)

Assignment

Form Tolerances

357

(1)

Unit 45

358

(12)

Datums and the Three-Plane Concept

358

(1)

Datums for Geometric Tolerancing

358

(1)

Three-Plane System

358

(1)

Uneven Surfaces

359

(2)

Datum Feature Symbol

361

(3)

Reference

364

(6)

Assignments

Datums

367

(2)

Axle

369

(1)

Unit 46

370

(8)

Orientation Tolerancing for Flat Surfaces

370

(2)

Orientation Tolerancing for Flat Surfaces

372

(1)

Reference

373

(5)

Assignments

Stand

375

(2)

Cut-Off Stand

377

(1)

Unit 47

378

(12)

Orientation Tolerancing for Features of Size

378

(3)

Internal Cylindrical Features

381

(3)

External Cylindrical Features

384

(2)

Reference

386

(4)

Assignment

Orientation Tolerancing for Features of Size

389

(1)

Unit 48

390

(8)

Datum Targets

390

(1)

Datum-Target Symbol

390

(4)

Reference

394

(4)

Assignment

Bearing Housing

397

(1)

Unit 49

398

(16)

Tolerancing of Features by Position

398

(1)

Tolerancing Methods

398

(1)

Coordinate Tolerancing

399

(3)

Advantages of Coordinate Tolerancing

402

(1)

Disadvantages of Coordinate Tolerancing

402

(1)

Positional Tolerancing

402

(1)

Material Condition Basis

402

(2)

Positional Tolerancing for Circular Features

404

(4)

Advantages of Positional Tolerancing

408

(1)

Reference

409

(5)

Assignment

Positional Tolerancing

413

(1)

Unit 50

414

(5)

Selection of Datum Features for Positional Tolerancing

414

(1)

Long Holes

414

(1)

Circular Datums

415

(1)

Multiple Hole Datums

415

(1)

Reference

415

(4)

Assignment

Datum Selection for Positional Tolerancing

418

(1)

Unit 51

419

(9)

Profile Tolerances

419

(1)

Profile of a Line

419

(3)

Profile of a Surface

422

(2)

Reference

424

(4)

Assignment

Profile Tolerancing

427

(1)

Unit 52

428

(11)

Runout Tolerances

428

(1)

Circular Runout

428

(2)

Total Runout

430

(1)

Establishing Datums

431

(2)

Reference

433

(6)

Assignments

Runout Tolerances

435

(2)

Housing

437

(1)

End Plate

438

(1)

APPENDIX

439

(28)

Table 1 Chart for Converting Inch Dimensions to Millimeters

439

(1)

Table 2 Abbreviations and Symbols Used on Technical Drawings

440

(1)

Table 3 Number and Letter-Size Drills

441

(1)

Table 4 Metric Twist Drill Sizes

442

(1)

Table 5 Unified and American (Inch) Threads

443

(1)

Table 6 Metric Threads

444

(1)

Table 7 Common Cap Screws

445

(1)

Table 8 Hexagon-Head Bolts and Cap Screws

446

(1)

Table 9 Setscrews

447

(1)

Table 10 Hexagon-Head Nuts

448

(1)

Table 11 Hex Flange Nuts

449

(1)

Table 12 Common Washer Sizes

450

(2)

Table 13 Square and Flat Stock Keys

452

(1)

Table 14 Woodruff Keys

452

(1)

Table 15 American Standard Wrought Steel Pipe

453

(1)

Table 16 Sheet-Metal Gages and Thicknesses

454

(1)

Table 17 Running and Sliding Fits (Values in Thousandths of an Inch)

455

(1)

Table 18 Locational Clearance Fits (Values in Thousandths of an Inch)

456

(1)

Table 19 Locational Transition Fits (Values in Thousandths of an Inch)

457

(1)

Table 20 Locational Interference Fits (Values in Thousandths of an Inch)

458

(1)

Table 21 Force and Shrink Fits (Values in Thousandths of an Inch)

459

(1)

Table 22 Preferred Hole Basis Metric Fits Description

460

(1)

Table 23 Preferred Shaft Basis Metric Fits Description

461

(1)

Table 24 Preferred Hole Basis Metric Fits (Dimensions in Millimeters)

462

(2)

Table 25 Preferred Shaft Basis Metric Fits (Values in Millimeters)

464

(2)

Table 26 Metric Conversion Tables

466

(1)

Index

467

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