Design for Warranty Cost Reduction Ops A La （设计质量保证成本削减行动啦）.pdfVIP

Design for Warranty Cost Reduction Robert H. Mueller, Ops A La Carte Marisan Group Key Words: warranty, warranty cost model, design for warranty, computer, electronics industry SUMMARY CONCLUSIONS Because of the business impact of the cost of warranty, product development teams are now being challenged to This paper develops a process based cost model for design products that are both less costly to repair (business warranty events and applies it to a number of product metric: warranty $s) and more reliable (business metric: instances in the computer and related high tech businesses. It annual failure rates, AFR). To more easily meet this identifies the principle support ‘meta-processes’ that typically challenge will require warranty costs models that make contributes 70% to the total cost of warranty. From this explicit not only the impact of AFR on cost, but also the model the key warranty cost drivers are identified and the set effect of the process costs associated with the repair of of strategies are derived that product development teams can specific failure modes. use to reduce the cost of warranty for products under Currently used warranty cost models are dominated by development. Proven frameworks for applying the model and traditional Failure Modes and Effects Analysis (FMEA), cost warranty cost reduction strategies during the product pool based models or model