CAD/CAM: computer-aided design and manufacturing

✍ Scribed by Zimmers, Emory W.; Groover, Mikell P

• Publisher: Pearson; Prentice-Hall
• Year: 1983;1984
• Tongue: English
• Leaves: 512
• Category: Library

✦ Synopsis

In this book, the authors examine interactive computer graphics and its use in design industrial robots, computer control of manufacturing processes, computer-integrated production control, automated inspections, and flexible manufacturing systems. They also discuss the implementation of turnkey CAD/CAM systems.

✦ Table of Contents

Contents......Page 8
Preface......Page 16
1.1 CAD/CAM Defined......Page 24
1.2 The Product Cycle and CAD/CAM......Page 27
1.3 Automation and CAD/CAM......Page 29
1.4 Organization of This Book......Page 32
References......Page 34
2.1 Introduction......Page 36
2.2 Central Processing Unit (CPU)......Page 38
2.3 Types of Memory......Page 41
2.5 Data Representation......Page 43
2.6 Computer Programming Languages......Page 49
2.7 Operating the Computer System......Page 53
References......Page 55
Problems......Page 56
3.1 Introduction......Page 57
3.2 Minicomputers......Page 60
3.3 Microcomputers......Page 63
3.4 Programmable Controllers......Page 68
References......Page 73
Problems......Page 74
4.1 Introduction......Page 76
4.2 The Design Process......Page 79
4.3 The Application of Computers for Design......Page 81
4.4 Creating the Manufacturing Data Base......Page 87
4.5 Benefits of Computer-Aided Design......Page 89
4.6 Some Examples......Page 94
References......Page 100
5.1 Introduction......Page 102
5.2 The Design Workstation......Page 104
5.3 The Graphics Terminal......Page 105
5.4 Operator Input Devices......Page 112
5.5 Plotters and Other Output Devices......Page 118
5.6 The Central Processing Unit......Page 122
5.7 Secondary Storage......Page 124
Problems......Page 125
6.1 Introduction......Page 127
6.2 The Software Configuration of a Graphics System......Page 128
6.3 Functions of a Graphics Package......Page 130
6.4 Constructing the Geometry......Page 132
6.5 Transformations......Page 136
6.6 Data Base Structure and Content......Page 142
6.7 Wire-Frame versus Solid Modeling......Page 146
6.8 Other CAD Features and CAD/CAM Integration......Page 151
Problems......Page 152
7.1 Introduction......Page 156
7.2 Basic Components of an NC System......Page 158
7.3 The NC Procedure......Page 162
7.4 NC Coordinate Systems......Page 163
7.5 NC Motion Control Systems......Page 165
7.6 Applications of Numerical Control......Page 168
7.7 Economics of Numerical Control......Page 171
References......Page 174
8.1 Introduction......Page 176
8.2 The Punched Tape in NC......Page 177
8.3 Tape Coding and Format......Page 178
8.4 Manual Part Programming......Page 180
8.5 Computer-Assisted Part Programming......Page 182
8.6 The APT Language......Page 188
8.7 The MACRO Statement in APT......Page 198
8.8 NC Programming with Interactive Graphics......Page 202
8.9 Voice NC Programming......Page 208
8.10 Manual Data Input......Page 209
References......Page 210
Problems......Page 211
Appendix: APT Word Definitions......Page 214
9.1 Introduction......Page 225
9.2 Problems with Conventional NC......Page 226
9.3 NC Controller Technology......Page 227
9.4 Computer Numerical Control......Page 229
9.5 Direct Numerical Control......Page 233
9.6 Combined DNC/CNC Systems......Page 239
9.7 Adaptive Control Machining Systems......Page 240
9.8 Trends and New Developments in NC......Page 247
References......Page 251
10.1 Introduction......Page 254
10.2 Robot Physical Configurations......Page 255
10.3 Basic Robot Motions......Page 258
10.4 Other Technical Features......Page 261
10.5 Programming the Robot......Page 265
10.6 Robot Programming Languages......Page 267
10.7 End Effectors......Page 271
10.8 Work Cell Control and Interlocks......Page 272
10.9 Robotic Sensors......Page 275
References......Page 277
Problems......Page 278
11.1 General Considerations in Robot Applications......Page 280
11.2 Material Transfer......Page 282
11.3 Machine Loading......Page 283
11.4 Welding......Page 285
11.5 Spray Coating......Page 289
11.6 Processing Operations......Page 291
11.7 Assembly......Page 292
11.8 Inspection......Page 294
References......Page 295
12.1 Introduction......Page 298
12.2 Part Families......Page 299
12.3 Parts Classification and Coding......Page 302
12.4 Three Parts Classification and Coding Systems......Page 304
12.5 Group Technology Machine Cells......Page 312
12.6 Benefits of Group Technology......Page 316
References......Page 318
Problems......Page 319
13.1 The Planning Function......Page 321
13.2 Retrieval-Type Process Planning Systems......Page 323
13.3 Generative Process Planning Systems......Page 325
13.5 Machinability Data Systems......Page 329
13.6 Computer-Generated Time Standards......Page 336
References......Page 342
Problems......Page 343
14.1 Introduction......Page 346
14.2 Traditional Production Planning and Control......Page 347
14.3 Problems with Traditional Production Planning and Control......Page 350
14.4 Computer-Integrated Production Management System......Page 352
14.5 Cost Planning and Control......Page 357
References......Page 359
15.1 Introduction......Page 360
15.2 Inventory Management......Page 361
15.3 Material Requirements Planning......Page 365
15.4 Basic MRP Concepts......Page 366
15.5 Inputs to MRP......Page 367
15.6 How MRP Works......Page 370
15.8 Benefits of MRP......Page 374
15.9 MRP II: Manufacturing Resource Planning......Page 375
References......Page 377
Problems......Page 378
16.1 Introduction......Page 380
16.2 Functions of Shop Floor Control......Page 381
16.3 The Shop Floor Control System......Page 383
16.4 Operation Scheduling......Page 386
16.5 The Factory Data Collection System......Page 391
16.6 Computer Process Monitoring......Page 397
References......Page 399
Problems......Page 400
17.1 Introduction......Page 402
17.2 Manufacturing Process Data......Page 403
17.3 System Interpretation of Process Data......Page 404
17.4 Interface Hardware Devices......Page 406
17.5 Digital Input/Output Processing......Page 412
17.6 Hierarchical Computer Structures and Networking......Page 416
References......Page 419
Problems......Page 420
18.1 Introduction......Page 422
18.2 Structural Model of a Manufacturing Process......Page 423
18.3 Process Control Strategies......Page 425
18.4 Distributed Control versus Central Control......Page 431
18.5 Direct Digital Control......Page 435
18.6 Supervisory Computer Control......Page 437
References......Page 440
19.1 Introduction......Page 441
19.2 Terminology in Quality Control......Page 443
19.3 The Computer in QC......Page 446
19.4 Contact Inspection Methods......Page 448
19.5 Noncontact Inspection Methods—Optical......Page 450
19.6 Noncontact Inspection Methods—Nonoptical......Page 456
19.7 Computer-Aided Testing......Page 457
19.8 Integration of CAQC with CAD/CAM......Page 461
References......Page 462
20.1 Introduction......Page 464
20.2 Types of Manufacturing Systems......Page 466
20.3 Machine Tools and Related Equipment......Page 470
20.4 Material Handling System......Page 472
20.5 Computer Control System......Page 476
20.6 Human Labor in the Manufacturing System......Page 479
20.7 CIMS Benefits......Page 481
References......Page 482
21.1 Introduction......Page 484
21.2 Turnkey CAD/CAM Systems......Page 486
21.3 Selection Criteria......Page 489
21.4 Evaluation of Alternative Systems......Page 493
References......Page 495
22 The Future of CAD/CAM......Page 497
References......Page 500
A......Page 502
C......Page 503
G......Page 506
M......Page 507
N......Page 508
P......Page 509
R......Page 510
S......Page 511
W......Page 512

✦ Subjects

Science;Engineering