The next few sections before presenting the overall process and the specific Still poorly understood, it is worthwhile to address this topic briefly in Reliability and quality, and consequently between DFR and DFSS, are often Often complementary, techniques of Design for Reliability. Organizations are starting to put more emphasis on the separate, although Support the achievement of high reliability. Products, the methodologies are primarily focused on product qualityĪnd many organizations are starting to realize that they do not adequately Quality, reducing variation and cutting down the number of non-conforming However,Īlthough Six Sigma and DFSS have been quite successful in achieving higher Processes and sometimes even try to include reliability in them. It is thus only natural for organizations to look to these existing Processes such as Six Sigma and Design for Six Sigma (DFSS). "Quality Assurance" discipline back in the 1980s, which spawned successful The circumstances are very similar to what happened with the This realization and a push for a more structured process has been seen in Well as the occurrence of problems in the field. Randomly, or not at all, resulting in the waste of time and resources as Situation, where different reliability tools are deployed too late, Reliability activities involved in product development can become a chaotic
Without such a process, trying to implement all of the different With such increasing complexity in allĪspects of product development, it becomes a necessity to have a wellĭefined process for incorporating reliability activities into the designĬycle. System interactions, interfaces, complex usage and stress profiles need toīe addressed and accounted for. The complexity of the methods available for determining their reliability. More and more important with the increasing complexity of systems as well as Use the wide variety of reliability engineering tools available will help toĪchieve the reliability mission of an organization.
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Reliability is important, but knowing how to achieve reliability isīegin early in the design process and must be well integrated into the Into products and processes using the best available science-based Practice reliability philosophy of successful companies: Three important statements summarize the best Organization’s products must be reliable, and reliable products require aįormal reliability process. One case in point is the recently publicized Xbox issue, which hasĬost Microsoft more than a billion dollars in warranties (aside from loss ofīusiness and market share). Process? The answer to this question is quite simple. Why should a company commit resources for deploying a DFR That an organization needs to follow in order to design reliability into its Variety of tools and practices and describes the overall order of deployment Use these tools throughout the design cycle. It relies on an array of reliabilityĮngineering tools along with a proper understanding of when and how to In other words, DFR is a systematic, streamlined,Ĭoncurrent engineering program in which reliability engineering is weaved Reliability are fully met throughout the life of the product with low Through to product obsolescence) to ensure that customer expectations for Process design (typically from early in the concept stage all the way Specifically, DFR describes the entire set of tools that support product and Institutionalization of reliability practices into development projects. Sufficient organizational resource allocation and the integration and Organization’s reliability goals requires strategic vision, proper planning, Reliability program and in arriving at reliable products. Rather, there are a variety of activities involved in an effective
Performing just this type of analysis is not enough to achieve reliable That although life data analysis is an important piece of the pie, With reliability and achieving high reliability. In fact, for many, these analysis techniques have become almost synonymous What is Design for Reliability (DFR)?įamiliar with the terms Weibull Analysis and/or Life Data Analysis. The Synthesis applications can be used together based on the DFRĪpproach. Industries in a way that will fit well into the overall Product Development That can be adopted and deployed with a few modifications across different These questions and, at the same time, we will propose a general DFR process
Program, and is DFR the same as DFSS? In this article, we will try to answer Involved in implementing DFR? Should DFR be part of a Design for Six Sigma (DFSS) Is DFR? What are the ingredients for designing for reliability, and what is Design for Reliability (DFR) is not a new concept,īut it has begun to receive a great deal of attention in recent years.
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