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| موضوع: كتاب The Mechanical Design Process - Fourth Edition الإثنين 22 يناير 2018, 2:34 am | |
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أخوانى فى الله أحضرت لكم كتاب The Mechanical Design Process - Fourth Edition
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The Mechanical Design Process - Fourth Edition David G. Ullman Professor Emeritus, Oregon State University CONTENTS Preface xi CHAPTER 1 Why Study the Design Process? 1 1.1 Introduction 1 1.2 Measuring the Design Process with Product Cost, Quality, and Time to Market 3 1.3 The History of the Design Process 8 1.4 The Life of a Product 10 1.5 The Many Solutions for Design Problems 15 1.6 The Basic Actions of Problem Solving 17 1.7 Knowledge and Learning During Design 19 1.8 Design for Sustainability 20 1.9 Summary 21 1.10 Sources 22 1.11 Exercises 22 CHAPTER 2 Understanding Mechanical Design 25 2.1 Introduction 25 2.2 Importance of Product Function, Behavior, and Performance 28 2.3 Mechanical Design Languages and Abstraction 30 2.4 Different Types of Mechanical Design Problems 33 2.5 Constraints, Goals, and Design Decisions 40 2.6 Product Decomposition 41 2.7 Summary 44 2.8 Sources 44 2.9 Exercises 45 2.10 On the Web 45 CHAPTER 3 Designers and Design Teams 47 3.1 Introduction 47 3.2 The Individual Designer: A Model of Human Information Processing 48 3.3 Mental Processes That Occur During Design 56 3.4 Characteristics of Creators 64 3.5 The Structure of Design Teams 66 3.6 Building Design Team Performance 72 3.7 Summary 78 3.8 Sources 78 3.9 Exercises 79 3.10 On the Web 80 CHAPTER 4 The Design Process and Product Discovery 81 4.1 Introduction 81 4.2 Overview of the Design Process 81 4.3 Designing Quality into Products 92 4.4 Product Discovery 95 4.5 Choosing a Project 101 4.6 Summary 109 4.7 Sources 110 4.8 Exercises 110 4.9 On the Web 110 viiviii Contents CHAPTER 5 Planning for Design 111 5.1 Introduction 111 5.2 Types of Project Plans 113 5.3 Planning for Deliverables— The Development of Information 117 5.4 Building a Plan 126 5.5 Design Plan Examples 134 5.6 Communication During the Design Process 137 5.7 Summary 141 5.8 Sources 141 5.9 Exercises 142 5.10 On the Web 142 CHAPTER 6 Understanding the Problem and the Development of Engineering Specifications 143 6.1 Introduction 143 6.2 Step 1: Identify the Customers: Who Are They? 151 6.3 Step 2: Determine the Customers’ Requirements: What Do the Customers Want? 151 6.4 Step 3: Determine Relative Importance of the Requirements: Who Versus What 155 6.5 Step 4: Identify and Evaluate the Competition: How Satisfied Are the Customers Now? 157 6.6 Step 5: Generate Engineering Specifications: How Will the Customers’ Requirement Be Met? 158 6.7 Step 6: Relate Customers’ Requirements to Engineering Specifications: How to Measure What? 163 6.8 Step 7: Set Engineering Specification Targets and Importance: How Much Is Good Enough? 164 6.9 Step 8: Identify Relationships Between Engineering Specifications: How Are the Hows Dependent on Each Other? 166 6.10 Further Comments on QFD 168 6.11 Summary 169 6.12 Sources 169 6.13 Exercises 169 6.14 On the Web 170 CHAPTER 7 Concept Generation 171 7.1 Introduction 171 7.2 Understanding the Function of Existing Devices 176 7.3 ATechnique for Designing with Function 181 7.4 Basic Methods of Generating Concepts 189 7.5 Patents as a Source of Ideas 194 7.6 Using Contradictions to Generate Ideas 197 7.7 The Theory of Inventive Machines, TRIZ 201 7.8 Building a Morphology 204 7.9 Other Important Concerns During Concept Generation 208 7.10 Summary 209 7.11 Sources 209 7.12 Exercises 211 7.13 On the Web 211 CHAPTER 8 Concept Evaluation and Selection 213 8.1 Introduction 213 8.2 Concept Evaluation Information 215 8.3 Feasibility Evaluations 218 8.4 Technology Readiness 219 8.5 The Decision Matrix—Pugh’s Method 221 8.6 Product, Project, and Decision Risk 226Contents ix 8.7 Robust Decision Making 233 8.8 Summary 239 8.9 Sources 239 8.10 Exercises 240 8.11 On the Web 240 CHAPTER 9 Product Generation 241 9.1 Introduction 241 9.2 BOMs 245 9.3 Form Generation 246 9.4 Materials and Process Selection 264 9.5 Vendor Development 266 9.6 Generating a Suspension Design for the Marin 2008 Mount Vision Pro Bicycle 269 9.7 Summary 276 9.8 Sources 276 9.9 Exercises 277 9.10 On the Web 278 CHAPTER 10 Product Evaluation for Performance and the Effects of Variation 279 10.1 Introduction 279 10.2 Monitoring Functional Change 280 10.3 The Goals of Performance Evaluation 281 10.4 Trade-Off Management 284 10.5 Accuracy, Variation, and Noise 286 10.6 Modeling for Performance Evaluation 292 10.7 Tolerance Analysis 296 10.8 Sensitivity Analysis 302 10.9 Robust Design by Analysis 305 10.10 Robust Design Through Testing 308 10.11 Summary 313 10.12 Sources 313 10.13 Exercises 314 CHAPTER 11 Product Evaluation: Design For Cost, Manufacture, Assembly, and Other Measures 315 11.1 Introduction 315 11.2 DFC—Design For Cost 315 11.3 DFV—Design For Value 325 11.4 DFM—Design For Manufacture 328 11.5 DFA—Design-For-Assembly Evaluation 329 11.6 DFR—Design For Reliability 350 11.7 DFT and DFM—Design For Test and Maintenance 357 11.8 DFE—Design For the Environment 358 11.9 Summary 360 11.10 Sources 361 11.11 Exercises 361 11.12 On the Web 362 CHAPTER 12 Wrapping Up the Design Process and Supporting the Product 363 12.1 Introduction 363 12.2 Design Documentation and Communication 366 12.3 Support 368 12.4 Engineering Changes 370 12.5 Patent Applications 371 12.6 Design for End of Life 375 12.7 Sources 378 12.8 On the Web 378x Contents APPENDIX A Properties of 25 Materials Most Commonly Used in Mechanical Design 379 A.1 Introduction 379 A.2 Properties of the Most Commonly Used Materials 380 A.3 Materials Used in Common Items 393 A.4 Sources 394 APPENDIX B Normal Probability 397 B.1 Introduction 397 B.2 Other Measures 401 APPENDIX C The Factor of Safety as a Design Variable 403 C.1 Introduction 403 C.2 The Classical Rule-of-Thumb Factor of Safety 405 C.3 The Statistical, Reliability-Based, Factor of Safety 406 C.4 Sources 414 APPENDIX D Human Factors in Design 415 D.1 Introduction 415 D.2 The Human in the Workspace 416 D.3 The Human as Source of Power 419 D.4 The Human as Sensor and Controller 419 D.5 Sources 426 Index 427
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