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    Lean Kaizen: A Simplified Approach to Process Improvements
    Lean Kaizen: A Simplified Approach to Process Improvements
    Lean Kaizen: A Simplified Approach to Process Improvements
    Ebook276 pages1 hour

    Lean Kaizen: A Simplified Approach to Process Improvements

    By V. George Alukal and Anthony Manos

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    About this ebook

    To compete successfully in today’s economy, organizations need to be as good as or better than their global competitors. This goes not only for quality, but also for costs and cycle times (lead time, processing time, delivery time, set-up time, response time, etc.). Lean addresses these needs in its emphasis on teamwork, continuous training and learning, produce to demand (“pull”), mass customization and batch size reduction, cellular flow, quick changeover, and total productive maintenance.

    Originally applied in manufacturing settings, lean has now migrated to non-shop floor activities: in business support functions, such as sales, customer service, accounting, human resources, engineering, purchasing; within manufacturing firms; and also in purely service areas like finance, government, and healthcare.

    The intended audience for this book is any quality or operational professional who wants to start their lean journey or enhance their career opportunities. After introducing the concepts of lean and kaizen, various building blocks of a lean enterprise are described. After reading this book, any reader will have a foundation of what is understood today as "lean." All the examples of kaizens presented in the book are from the authors' experience associated with real lean transformations. In addition, the forms, figures, and checklists included as part of this book and also on the accompanying CD-ROM can be customized and used in the readers’ own lean journey when they perform kaizens.

    COMMENTS FROM OTHER CUSTOMERS Average Customer Rating: (4 of 5 based on 1 review) "This book gives a great introduction to kaizen, along with a sensible "how to" and several case studies across various industries, including for non-manufacturing applications. It also gives a good introduction to Lean in general, and it places enough emphasis on the "human side" of implementing Lean so that the reader walks away with an understanding that the Lean tools may be fairly simple but the implementation of them requires special attention to human nature and the associated challenges. It is easy to read and comprehend. Plenty of pictures and samples are provided. This could easily be used as a training tool for employees who will be serving on kaizen teams." A reader in Bradenton, Florida
    LanguageEnglish
    PublisherASQ Quality Press
    Release dateFeb 6, 2006
    ISBN9780873890731
    Lean Kaizen: A Simplified Approach to Process Improvements

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      Book preview

      Lean Kaizen - V. George Alukal

      Preface

      Lean has been receiving a lot of attention lately from quality professionals, management, and the press. What started out in manufacturing has now migrated to non–shop floor activities. Business support functions, such as sales, customer service, accounting, human resources, engineering, purchasing, within manufacturing firms, as well as purely service organizations like financial institutions, government, and hospitals are now implementing lean.

      Those of us in quality became familiar with lean in different ways. Some of us started implementing kaizens in the late 1980s after getting introduced to them by Masaaki Imai’s book. Continuous improvement was very important then (as now), what with the focus on statistical process control and other statistical techniques, reengineering, and the introduction of both the ISO 9000 series and the Malcolm Baldrige National Quality Award. The term lean came into vogue a little later, first as lean manufacturing and currently as lean enterprise. For many ASQ members, we believe, a good understanding of lean is useful both at work and also careerwise.

      Lean (the term was coined by James Womack’s group a few years ago), though based on the Toyota Production System (TPS), uses tried and proven, mostly commonsense tools. Toyota learned from Ford Motor Company, U.S. military practices, good old industrial engineering and operations research techniques, U.S. supermarket delivery and inventory control systems, plus German aircraft manufacturing methods, and refined these as well as added a few Toyota-grown improvements to come up with its successful TPS.

      Different aspects of lean are useful everywhere. While TPS as a whole is highly beneficial for Toyota (and other automotive manufacturers), imposing all of the same techniques blindly will not be the answer for others. A manufacturing company needs to ask these questions first: Are we make-to-stock or make-to-order? Do we do mostly fabrication or assembly? Do we create discrete widgets or continuously processed product? How about our customers’ expectations (quality, cost, and delivery) and our internal lead times? Are suppliers prepared for lean and just-intime? Are we—senior management, middle management, and shop floor employees—ready? Is the company culture ready to support the transition from traditional manufacturing to lean?

      There is no turning back once you start the lean journey (unless you want to continue the flavor-of-the-month syndrome). Lean tools and techniques are simple and rely on common sense, but implementation and sustaining require discipline, motivation, incentives, good change management, and strong, long-term leadership.

      From our experience working with a couple hundred companies, the successful ones have a few things in common: (1) management commitment, (2) a well-thought-out master plan, including plans for cultural change, communication, lean training, standardization at the improved level, and rewards/recognition, and (3) alignment of company goals with individual and/or team goals (including addressing the fear of downsizing due to lean improvements). We can also say categorically that the human side of the lean transformation is most critical: the various technical lean tools can easily be taught, but changing the culture, team building, sustainable motivation, alignment of goals, and potential resistance from middle management and unions are issues that need to be carefully considered before embarking on the lean journey.

      These days, more and more firms are combining lean with their other improvement efforts. Even the largest corporations are implementing lean, Six Sigma (with emphasis on statistical techniques), theory of constraints, and even total quality management (Baldrige criteria, for instance) and/ or ISO 9001 and its derivatives such as TS 16949, AS9100, and so on, all as a suite of useful tools and techniques. More and more, lean champions, Six Sigma Black Belts, or ISO 9001/TS 16949 management representatives are becoming one function, all using the appropriate tool the correct way, either singly or blended, for problem solving and continuous improvement. The best combination of plan–do–check–act (PDCA) and define–measure– analyze–improve–control (DMAIC) is used wherever possible. As an example, lean experts pull out the appropriate statistical or graphical techniques whenever they encounter the waste (muda in TPS terminology) of defects or correction. Lean addresses velocity (time or speed) while Six Sigma looks for stability in the process. Lean tools focus on waste reduction, and Six Sigma methods are used to attack variation. Lean is appropriate for cost and time reduction (directly benefiting throughput and productivity), whereas Six Sigma is good for maintaining/improving quality.

      While using lean for transforming our companies, it is important that all employees have training in at least its basic concepts. For Six Sigma implementation, usually only a core group needs to be formally trained. It cannot be overemphasized that in the lean environment, it is essential to focus on all employees’ contributions through their creativity, problem-solving skills, knowledge of the process, and team brainstorming. Do not check your brains at the door, It is not just management who has all the answers, and Think! Think! Think! are some of the sayings that have flowed down from Taiichi Ohno, the father of TPS.

      Some of the core concepts of lean are: (1) creativity before capital (tapping into the experience, innovation, and knowledge of people working in the process before spending capital on improvements), (2) an improvement that is not so perfect done today is better than the perfect solution that is late (there is always room and the need for further continuous improvements), and (3) inventory is not an asset but a cost (or waste). Lean emphasizes the power of teamwork and consensus through brainstorming.

      Where does one begin a lean journey? Value stream mapping is a good starting point, in most instances. The future state map will self-identify the biggest bang for the buck improvements, which are carried out as process kaizens.

      ABOUT THIS BOOK

      The history of how this book came about is as follows: ASQ had contracted the authors to develop a two-day course in lean enterprise and an additional one-day course just on kaizen. These two hands-on courses are being delivered throughout North America, usually four times a year. Based on the success of these programs, ASQ was interested in a practical book on lean kaizen, not necessarily just to complement the courses, but also as a standalone offering. Here it is.

      All the examples of kaizens presented in the book are from our experiences with real-world lean transformations, which the reader should find useful. After introducing the concepts of lean and kaizen, various building blocks of a lean enterprise are described, so that after completing the book, any reader should gain a foundation of what we understand today as lean or TPS. Chapter 6 describes in substantial detail how to perform kaizens both on the manufacturing shop floor and in support functions or in purely service environments. Another useful feature of the book is Chapter 7, which takes one of the kaizen projects from Chapter 6 (quick changeover using single minute exchange of dies, the so-called SMED technique) andin general terms shows how to perform a cost–benefit analysis on a typical kaizen project.

      The intended audience for this book is quality or operational professionals who want to start their lean journey at work or to enhance their career opportunities. The authors recommend that you read this fairly slim volume from cover to cover and then use the various examples as and when needed. The forms, figures, and checklists included in this book could be customized and used in the readers’ own lean journeys when they perform kaizens. The authors will appreciate any comments or suggestions for improvement:

      [email protected]

      .

      Acknowledgments

      The authors would like to thank all the people who have impacted their lives on their own lean journeys; this includes all the people that they have worked with, taught, coached, and learned from. As a special mention, for examples in this book and other assistance, the authors would like to extend a debt of gratitude to:

      Nick Adler, Vice President of Operations, Fort Dearborn Company, Niles, Illinois

      Demetria Giannisis, CEO/President, Chicago Manufacturing Center, Chicago, Illinois

      Mark Sattler, Director, ProMedica Laboratories, Toledo, Ohio

      Pat Thompson, General Manager, Modern Drop Forge, Blue Island, Illinois

      1 - Introduction to Lean and Kaizen

      WHAT IS LEAN?

      In the last ten years or so, a new term has entered our vocabulary: lean. Executives and decision makers, especially in senior management, quality, operations, engineering, and human resources have been hearing of lean in a context other than dieting. What is it?

      Lean is a manufacturing or management philosophy that shortens the lead time between a customer order and the shipment of the parts or services ordered through the elimination of all forms of waste. Lean helps firms in the reduction of costs, cycle times, and non-value-added activities, thus resulting in a more competitive, agile, and market-responsive company.

      There are many definitions of lean. Here is one that is used by the Manufacturing Extension Partnership of National Institute of Standards and Technology, a part of the U.S. Department of Commerce: A systematic approach in identifying and eliminating waste (non-value-added activities) through continuous improvement by flowing the product at the pull of the customer in pursuit of perfection. Lean focuses on value-added expenditure of resources from the customers’ viewpoint. Another way of putting it would be to give the customers:

      What they want

      When they want it

      Where they want it

      At a competitive price

      In the quantities and varieties they want, but always of expected quality

      A planned, systematic implementation of lean leads to improved quality, better cash flow, increased sales, greater productivity and throughput, improved morale, and higher profits. Once started, lean is a never-ending journey of ever-improving processes, services, and products. Many of the concepts in total quality management and team-based continuous improvement are also common to the implementation of lean strategies.

      BRIEF HISTORY OF LEAN

      Most of the lean concepts are not new. Many of them were being practiced at Ford Motor Company during the 1920s or are familiar to most industrial engineers.

      A few years after World War II, Eiji Toyoda of Japan’s Toyota Motor Company visited the American car manufacturers to learn from them and to transplant U.S. automobile production practices to the Toyota plants. With the eventual assistance of Taiichi Ohno and Shigeo Shingo, the Toyota Motor Company introduced and continuously refined a system of manufacturing whose goal was the reduction or elimination of non-value-added tasks (activities for which the customer was not willing to pay). The concepts and techniques that go

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