Table of Contents |
pt. I | Introduction | |
1. | Researching the After-sales Services and Warranty Management | 3 |
1.1. | Introduction | 3 |
1.2. | Objectives of the Book | 4 |
1.3. | Rational of the Methodology Followed | 6 |
1.3.1. | Origins and Background (Part II) | 7 |
1.3.2. | Methodology and Resolution Proposal (Part III) | 8 |
1.3.3. | Development of the Proposed Stages (Part IV) | 9 |
1.3.4. | Extensions to the Proposed Reference Framework (Part V) | 10 |
1.3.5. | The Case Studies | 11 |
1.4. | Limitations and Evolution of the Research | 12 |
| References | 14 |
pt. II | Current Issues in Warranty Management | |
2. | An Initial Case Study. Understanding Warranty Management Issues | 17 |
2.1. | Background | 18 |
2.2. | Case Study Scenario | 19 |
2.3. | Analysis, Development, and Results of the Case Study | 20 |
2.3.1. | Costs Analysis of the Warranty Assistance | 21 |
2.3.2. | Quantitative Analysis of the Claims | 24 |
2.3.3. | Spare Parts Management for Warranty Assistance | 26 |
| References | 31 |
3. | State of the Art | 33 |
3.1. | The Importance of a Warranty Management System | 34 |
3.2. | Literature Review | 36 |
3.3. | Models and Support Tools for Warranty Cost Management | 38 |
3.4. | Main Contributions of the Selected Models and Authors | 39 |
3.4.1. | Warranty and Maintenance | 39 |
3.4.2. | Warranty and Outsourcing | 42 |
3.4.3. | Warranty and Quality | 44 |
3.4.4. | Warranty and Cost Analysis | 46 |
| References | 50 |
pt. III | A Reference Framework for Warranty Management | |
4. | Learning from Maintenance Management Models | 55 |
4.1. | Introduction | 55 |
4.2. | Maintenance Management Models | 55 |
4.3. | Process-Oriented Models Versus Declarative Models | 58 |
4.4. | Maintenance Management Models Comparative Analysis | 58 |
4.5. | Maintenance Management Model Based on the Standard ISO 9001:2008 | 61 |
4.6. | Maintenance Management and ICTs | 62 |
4.6.1. | Concept of Electronic Technology | 62 |
4.6.2. | Definition of E-Maintenance | 64 |
4.7. | The Warranty Management Process | 66 |
4.7.1. | Methodology | 66 |
4.7.2. | Warranty Management Process | 67 |
| References | 71 |
5. | Reference Framework | 73 |
5.1. | Management Framework of a Warranty Assistance Program | 74 |
5.1.1. | First Step: Warranty Program Effectiveness | 74 |
5.1.2. | Second Step: The Efficiency of the Program | 77 |
5.1.3. | Third Step: The Evaluation of the Program | 78 |
5.1.4. | Fourth Step: Program Improvement | 81 |
5.2. | Integral Representation of the Warranty Management Framework | 84 |
5.3. | Framework Implementation | 89 |
| References | 91 |
6. | Auditing the Initial Case Study | 93 |
6.1. | Considerations to the Current Situation | 93 |
6.2. | Improvement Actions | 93 |
6.2.1. | Case Study Scenario Effectiveness | 95 |
6.2.2. | Case Study Scenario Efficiency | 95 |
6.2.3. | Case Study Assessment | 98 |
6.2.4. | Case Study Improvement | 98 |
6.3. | Quality and Maturity Aspects in Warranty Management | 99 |
6.3.1. | Standards and Best Practices for the Quality of Warranty Management | 99 |
6.3.2. | Best Practices Applied to the Warranty Management Framework | 102 |
6.4. | Case Study on the Maturity Assessment | 107 |
6.4.1. | Valuation of the Maturity of the Initial Scenario | 107 |
6.4.2. | CMMI and EFQM Practices | 108 |
| References | 113 |
pt. V | Development of the Framework Stages | |
7. | Management Effectiveness | 117 |
7.1. | The Balanced Score Card in After-sales Management | 117 |
7.1.1. | Alignment of Strategy with Global Objectives | 117 |
7.1.2. | BSC Principles in Global Warranty Management | 119 |
7.1.3. | Application to Improve Effectiveness in Warranty Management | 119 |
7.2. | Hierarchical Analysis in the Decision-Making Process During Warranty | 120 |
7.2.1. | General Features of the Analytic Hierarchy Process | 121 |
7.3. | Root Cause Analysis in Warranty Management | 124 |
7.3.1. | Root Cause Analysis for the Identification of Physical Causes | 124 |
7.3.2. | Root Cause Analysis Models | 126 |
7.3.3. | Advantages and Inconveniences | 131 |
7.4. | Case Study on Balanced Score Card | 133 |
7.4.1. | Application from a Financial Perspective | 133 |
7.4.2. | Results in the Practical Application | 137 |
7.5. | Case Study on an Analytic Hierarchy Process | 139 |
7.5.1. | Practical Application of AHP | 139 |
| References | 144 |
8. | Management Efficiency | 147 |
8.1. | The Logistic Support in the Technical Assistance | 147 |
8.1.1. | Classification of Elements Candidates for a Logistic Support Analysis | 148 |
8.1.2. | Choice of Repair Levels | 149 |
8.1.3. | Task Definition | 151 |
8.2. | Costs-Risks-Benefits Analysis in the After-sales Management | 154 |
8.2.1. | The Costs Management in the Technical Assistance | 154 |
8.2.2. | Risk Management in the Technical Assistance | 157 |
8.2.3. | The Earned Value Management Applied to the Warranty | 158 |
8.3. | Practical Case on Customer Risk | 165 |
8.3.1. | Application Scenario | 165 |
8.3.2. | Initial Hypotheses and Quantification of Consequences | 167 |
8.3.3. | Results of Application | 170 |
| References | 172 |
9. | On the Assessment and Control | 175 |
9.1. | General Characteristics of a RAMS Analysis | 175 |
9.1.1. | Subsystems in Series Connection | 176 |
9.1.2. | Subsystems in Parallel Connection | 177 |
9.1.3. | Case of n Identical Subsystems in Parallel | 179 |
9.1.4. | Summary of Formulas and Results | 181 |
9.2. | Influence of Warranty on the Life Cycle Cost of a Product | 182 |
9.2.1. | Background to Techniques of Life Cycle Costs Analysis | 182 |
9.2.2. | Basic Aspects of LCCA | 183 |
9.2.3. | Development of the Stochastic Model | 185 |
9.2.4. | Proposed NHPP Model for Warranty Assessment | 189 |
9.2.5. | Proposed GRP Model for the Warranty Assessment | 191 |
9.3. | Case Study on a RAMS Analysis | 193 |
9.3.1. | Study Scenario | 193 |
9.3.2. | Application of RAMS Variables to the Practical Case | 194 |
9.3.3. | Application of Numerical Data and Results | 196 |
9.4. | Case Study on the Life Cycle Cost Analysis | 199 |
9.4.1. | Application Scenario | 199 |
9.4.2. | Results and Conclusions | 207 |
| References | 209 |
10. | Continuous Improvement | 213 |
10.1. | Application of ICTs in the Process of Warranty Management | 213 |
10.1.1. | The E-technology Concept in the Warranty Management | 213 |
10.1.2. | Technologies Applied to the Technical Assistance | 214 |
10.1.3. | Influence on the Proposed Management Framework | 215 |
10.1.4. | Advantages and Future Utilizations | 217 |
10.2. | Management of Customer Relations in After-sales Service | 218 |
10.2.1. | Importance of Customer Relations | 218 |
10.2.2. | Contractual Aspects on Warranty | 220 |
10.3. | The Methodology Six Sigma in After-sales Warranty | 224 |
10.3.1. | Brief Description of the Method | 225 |
10.3.2. | Interaction of the Six Sigma with Other Tools and Methodologies | 227 |
10.4. | Case Study on Six Sigma Methodology | 230 |
10.4.1. | Application Scenario | 231 |
10.4.2. | Set Out and Application of the Methodology | 232 |
10.4.3. | Example and Results of the Application | 236 |
| References | 238 |
pt. V | Extensions to the Framework | |
11. | Intellectual Capital in the Technical Assistance | 243 |
11.1. | Background | 243 |
11.2. | After-sales Service Contribution in a Company | 245 |
11.3. | The Technical Assistance as Intellectual Capital | 247 |
11.4. | Proposed Methodology | 248 |
11.4.1. | Generated Value Regarding Staff | 249 |
11.4.2. | Generated Value Regarding Quality | 250 |
11.4.3. | Generated Value Regarding the Company Structure | 251 |
11.5. | Case Study on the Intellectual Capital in Technical Services | 252 |
11.5.1. | Scenario and Initial Considerations | 252 |
11.5.2. | Results of the Practical Application | 254 |
| References | 256 |
12. | Maintainability and the After-sales Service | 259 |
12.1. | Brief Review of the State of the Art | 260 |
12.1.1. | Introduction | 260 |
12.1.2. | Summary of the Reviewed Bibliography | 260 |
12.1.3. | Conclusions of the Literature Review | 262 |
12.2. | Definitions and Requirements for the Assessment | 263 |
12.3. | Maintainability Indicators and Maintenance Levels Description | 264 |
12.4. | Classification of the Maintainability Attributes | 265 |
12.4.1. | Attributes Related to the Device Design | 265 |
12.4.2. | Attributes Related to the Maintenance Staff and Work Conditions | 266 |
12.4.3. | Attributes Related to the Necessity of Logistics Support | 266 |
12.5. | Maintainability Attributes and Maintenance Level | 267 |
12.5.1. | General Attributes and Their Assessment | 267 |
12.5.2. | Specific Attributes (Maintenance Level Dependent) and Their Assessment | 268 |
12.6. | Maintainability Indicators Assessment | 269 |
12.7. | Case Study on Maintainability | 271 |
12.7.1. | Scenario and Previous Considerations | 271 |
12.7.2. | Application of the Evaluation Sheets | 272 |
12.7.3. | Discussion of the Results | 283 |
| References | 283 |
13. | Dynamic Modeling and Bayesian Networks in the After-sales Service | 285 |
13.1. | Dynamic Systems Modeling | 286 |
13.2. | Case of Dynamic Modeling in the Farm Machinery Industry | 287 |
13.2.1. | Study Scenario | 287 |
13.2.2. | Modeling and Results | 288 |
13.3. | Bayesian Networks in the After-sales Service | 292 |
13.3.1. | Planning of Disassembly | 293 |
13.3.2. | Bayesian Networks in Dismantling Planning | 294 |
13.3.3. | Integration of Warranty in a Disassembly Model | 296 |
| References | 298 |
pt. VI | Results and Conclusions | |
14. | Summary of Results and Conclusions | 303 |
14.1. | Summary of Results of this Work and Research | 303 |
14.1.1. | Origins and Background (Part II) | 303 |
14.1.2. | Methodology and Resolution Proposal (Part III) | 304 |
14.1.3. | Development of the Proposed Stages (Part IV) | 305 |
14.1.4. | Extensions to the Proposed Reference Framework (Part V) | 308 |
14.1.5. | Case Studies | 310 |
14.2. | Conclusions Extracted from the Different Parts | 311 |
14.3. | Future Lines of Research | 314 |
| References | 315 |