Computer-Based Design and Manufacturing: An Information-Based Approach

Contents......Page 11
Preface......Page 6
List of Figures......Page 19
List of Tables......Page 23
Part I: Product Design......Page 25
1.2. The Evolution of Product Development......Page 26
1.3. Sequential Product Development......Page 28
1.4. Simultaneous/Integrated Product Development......Page 29
1.5. Generic Product Development Process......Page 30
1.6. Case Study-Needs Recognition: A Utility Snip......Page 42
1.8. Problems......Page 53
2.1. Introduction......Page 54
2.3. Product Life Cycle Cost Analysis......Page 56
2.5. Objective of Cost Estimating......Page 71
2.6. Methods of Cost Estimating......Page 73
2.8. Structure of a Computer-Assisted Cost Estimating System......Page 78
2.10. Problems......Page 81
Part II: Feature-Based Design and Techniques......Page 82
3.1. Introduction......Page 83
3.2. CAD and CAM Integration......Page 84
3.3. Feature-Based Technologies......Page 88
3.4. The New Methodology Objectives......Page 91
3.5. Problems......Page 92
4.1. Feature Definitions......Page 93
4.2. Features in Manufacturing......Page 94
4.3. Geometric Data Format......Page 99
4.4. Boundary Representation (B-rep)......Page 110
4.5. Constructive Solid Geometry (CSG)......Page 113
4.6. Advantages and Disadvantages of (CSG) and B-rep......Page 116
4.7. Feature Recognition......Page 117
4.8. Feature-based Design......Page 118
4.9. What Are Feature Interactions?......Page 119
4.10. Summary......Page 120
4.11. Problems......Page 121
5.1. Feature Representation......Page 123
5.2. Feature Recognition Techniques......Page 127
5.4. Problems......Page 145
6.1. Data Transfer in CAD/CAM Systems......Page 147
6.2. Initial Graphics Exchange Specifications (IGES)......Page 148
6.4. Problems......Page 152
7.1. Introduction......Page 153
7.2. Conversion of CAD Data Files to Object-Oriented Data Structure (OODS)......Page 154
7.3. The Overall Object-Oriented Data Structure of the Proposed Methodology......Page 159
7.5. Problems......Page 200
8.1. Feature Interaction......Page 202
8.2. The General Algorithm for Extraction of Interacting Features......Page 219
8.4. Problems......Page 221
Part III: Feature-Based Process Planning and Techniques......Page 223
9.2. Machining Operations......Page 224
9.3. Machining Sequence Procedure......Page 225
9.4. Machining Direction Procedure......Page 226
9.5. Machining Information Procedure......Page 228
9.7. Problems......Page 232
10.1. CAD Interface for the IFRM System......Page 234
10.2. Feature Recognition Stage......Page 235
10.3. Illustrative Example 1......Page 238
10.4. Illustrative Example 2......Page 244
10.5. Illustrative Example 3......Page 256
10.6. Illustrative Example 4......Page 275
10.7. Advantages of IFRM Methodology......Page 292
10.9. Recommendations for Future Work......Page 293
10.10. Summary......Page 294
10.11. Problems......Page 295
Part IV: Advanced Topics......Page 297
11.1. Introduction......Page 298
11.2. Benefits of Rapid Prototyping Technology......Page 300
11.3. Rapid Prototyping Terminology......Page 301
11.4. Rapid Prototyping Systems......Page 302
11.6. Problems......Page 318
12.1. Introduction......Page 319
12.2. Product Design and Development Process......Page 320
12.3. Collaborative Engineering Approach......Page 322
12.4. Role of Collaboration in IPD......Page 323
12.5. Product Development Teams (PDTs) and Collocation......Page 324
12.6. Effectiveness of PDT......Page 325
12.7. Product Design in a Collaborative Environment......Page 326
12.8. Integrated Product Design and Development in a Collaborative Environment......Page 329
12.10. Problems......Page 336
References......Page 338
C......Page 353
E......Page 354
I......Page 355
O......Page 356
S......Page 357
W......Page 358