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Step-by-Step QFD: Customer-Driven Product Design, Second Edition Paperback – 31 Jul 1997
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We've been using Step-by-Step QFD in two companies with much success on the shop floor. It's a marvelous book that is sure to have a major impact on the future of American manufacturing.
Wouldn't it be great if you could design a product with the customer in mind - right from the very start? Well, now there's a way: Quality Function Development, or QFD, translates the needs of the consumer directly into the design and development of new products and services. By focusing on customer needs and incorporating them into every phase of the manufacturing process, it eliminates waste and improves customer satisfaction. And that means increased sales, greater profits, and a bigger share of the market."Step-by-Step QFD" is a practical, hands-on guide to implementing QFD at any organization. Written by an expert in the field, it shoes how the intensive study of consumer needs can be used to help you dramatically outperform the competition. In fact, the strategies outlined in this book have already met with great success at a number of corporations both within and outside of the United States. This workbook includes a case study of QFD in action, 34 helpful workshops, and an analysis of the synergy between QFD, TRIZ, and Taguchi.So whether you're a QFD trainer, project manager, design engineer, or manufacturer, "Step-by-Step QFD" will show you how to let one voice drive your entire design process - the customer's!
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Most helpful customer reviews on Amazon.com
The book opened a whole new world to me. The opening chapter, "The Role of the Customer in Design", starts with an example of using QFD in a project and gives compelling reasons for using this technique. Subsequent chapters walk you through the mechanics of a generic design process. This prepares you for the detailed treatment of QFD that follows.
Based on my initial research QFD looks simple and straightforward. However, this book reveals a rich process and set of procedures that show its real power (and complexity for large undertakings). For example, I discovered that the "house of quality" structure can have multiple matrices, each of which is linked. This gives both forward and backwards traceability, but requires painstaking attention to detail. This is where this book proves its value - it breaks this complexity down into manageable pieces and provides you with a thorough understanding of the process.
The section that I found most meaningful and valuable addresses customer segments. I am an IT consultant who specializes in service delivery, so my natural focus is on strengthening alignment between IT and the business processes that IT supports. Among the things I learned from this section are: how to effectively identify customer segments and classify them, what measurements are meaningful (especially important for satisfaction measurement), and ranking and prioritizing. One of the most powerful prioritization techniques that I discovered in this book is the analytic hierarchy process (AHP). This technique is an excellent way to objectively quantify priorities and requirements. The steps are relatively simple: 1.Choose the requirements to be prioritized. 2.Set the requirements into the rows and columns of the n x n AHP matrix. 3.Perform a pair wise comparison of the requirements in the matrix according to a set criteria. 4.Sum the columns. 5.Normalize the sum of rows. 6.Calculate the row averages.
However, for a large number of requirements this can quickly get complicated in a hurry. The simple math for small numbers of requirements gets replaced by sophisticated (to me) matrix techniques that are outside of my skill set when the number of requirements to be prioritized grows. Also, AHP is useful for managing requirements revealed via surveys. Most of my requirements come directly from contact with end users. I have found that a facilitated meeting using paired comparison techniques to be as valuable aas AHP. This is not covered in the book, which I found to be a minor shortcoming. If you want details about paired comparisons I will be happy to share them via email.
The rest of the book addresses QFD within the context of quality planning and management, and measuring the effectiveness of quality. Interwoven into these are valuable tools and techniques, such as affinity diagrams, TRIZ and various analysis techniques. While the remainder of the book began focusing on manufacturing, which is outside of my professional specialty, I found the material interesting because some of my clients are manufacturers and it gave insights into business processes that will surely prove valuable in the future. Almost everything in this book was new to me. The author did a magnificent job of explaining how to effectively capture, prioritize and management requirements in ways that I never expected. Moreover, the methods embodied in QFD are both powerful in that you can actually capture the voice of the customer, and practical in that you can trace a final design (product or process) back to customer requirements. I also learned about some powerful techniques, such as AHP, that I would have never discovered had I not read this book. If you are involved in requirements management, product or process design or quality then this book will be a valuable addition to your professional reading.