| | |  | Value Stream Mapping | Home » » » » Creating Mixed Model Value Streams: Practical Lean Techniques for Building to Demand | | | | | | | Description: | | Creating Mixed Model Value Streams is a hands-on primer for those seeking to implement lean in complex environments. When faced with complex or unique situations, companies often disregard lean principles and fall back on previous practices. In this book, Kevin Duggan describes the lean techniques that can be used when faced with difficult situations such as high product mix, scheduling problems, shared resources, and unstable customer demand. This book will give mangers the knowledge to guide their companies through these tough obstacles and to attain positive bottom line results! The author uses a step-by-step approach, illustrated through a case study based on actual experience, to go beyond the basics of value stream mapping and show how to create future states in the real manufacturing world of multiple products, varying cycle times, and changing demand. The book includes a CD-ROM featuring useful spreadsheets for sorting products into families and calculating equipment needs. Comprehensive and down-to-earth, Creating Mixed Model Value Streams provides the details and new techniques for implementing lean in the complex environment that manufacturers face on their own shop floors. CD-ROM includes: Spreadsheet and tutorial for sorting products into families Spreadsheets for calculating equipment required and for determining the interval for EPEI (Every Part Every Interval) Samples of visual method sheets for standard work Case study value stream maps and mapping icons
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Features | | | Product Details: | | | Author:
| Kevin J. Duggan | | Paperback:
| 224 pages | | Publisher:
| Productivity Press | | Publication Date:
| November 07, 2002 | | Language:
| English | | ISBN:
| 1563272806 | | Product Width:
| 211.5 centimeters | | Product Height:
| 273.5 centimeters | | Product Weight:
| 1.46 pounds | | Package Length:
| 10.8 inches | | Package Width:
| 8.4 inches | | Package Height:
| 0.7 inches | | Package Weight:
| 1.25 pounds | | Average Customer Rating:
|  based on 4 reviews |
| | | | Customer Reviews: | |
Average Customer Review:
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6 of 6 found the following review helpful:
Accessible Exposition of Principles but the Devil's in the DetailsSep 23, 2006
By Lightman
In this very good book author Kevin Duggan describes an approach to implementing lean manufacturing in challenging environments characterized by a high degree of variety, shared resources, and lumpy demand. All too often in such situations, practitioners conclude that lean principles can be applied incompletely or not at all. Significant missed process improvement opportunities follow from this foundational misunderstanding.
Duggan develops his material using as a case study the hypothetical EMC Supply Company. Value stream mapping is used throughout the book to depict the current scenario and the various improvements to achieve the desired future state.
The author starts at the very beginning, with a discussion of how the proper definition of product families is critical to the creation of flow in high mix plants. He goes on to introduce the concepts of takt time and the pacemaker operation for the process. From there the discussion moves to the balancing of operations, presentation of materials at the point of use, scheduling the work, and dealing with variation in customer demand.
These concepts are applied by the EMC implementation team and are illustrated with an evolving series of value stream maps. As a result the presentation has a "real world" feel to it that should encourage application of the principles.
One significant caveat needs however to be mentioned. Successful implementation is about pressing through countless details in every situation. Duggan draws attention to this in various places writing for example, "Material presentation for a high mix of products will take some creativity and planning. This is an area where we will have to sweat the details".
In fact, in my experience as a lean implementer, the details need to be sweated at every turn. The concepts may be simple, elegant, and often self evident, but putting them into action requires an almost obsessive attention to a myriad of practical intricacies.
For those committed to making this effort the results will be impressive. This book can help make it happen.
1 of 1 found the following review helpful:
 Creating Mixed Model Value StreamsFeb 19, 2009
By Drew Locher
Most companies have struggled with the application of lean concepts to more complex applications in manufacturing. Most books provide examples for very simple, highly repetitive production. The author Kevin Duggan provides the first real reference of the application of the lean concepts of flow and level pull to mixed model environments. The book details how to identify product families in such situations, with easy to follow guidelines that include consideration of work content, as well as required process steps. There are excellent descriptions of how to adapt the important concept of management timeframe or "pitch" to a mixed model application by taking the traditional "day-by-the-hour" board concept and creating a "floating pitch board".
The book is easy to read, making use of a case study and the effective value stream mapping tool to guide the reader throughout. This is a must read for anyone who works in a high mixed model production environment - which is most manufacturers - and not just a "widget" producer.
2 of 3 found the following review helpful:
Great read, glosses over detailApr 10, 2008
By GP The Engineer
I have to agree with other reviewers. The math is dead simple. And the transition from batch to flow will re-invent your business.
Where to book fell down for me was in the examples given. If i worked in a shop which only produced a small list of parts and very little process variation i would be done implementing by now.
Where a small business may fall most large facilities/organizations do not. Again, great way to approach changing the way your business runs but without some serious data mining and statistical skills you will end up right where you started.
0 of 1 found the following review helpful:
Good if you can get past a few drawbacksOct 03, 2009
By Improvement Fanatic
If you can get past the first few chapters this book has some useful information. Many Lean books describe the seven (or more) wastes, but this book expands by adding both examples of the waste and the tools used to eliminate that particular type of waste. The book is filled with instructions, examples, forms, and checklists that could easily be adapted to a particular company or department. One checklist that I think will be particularly useful is the Proof of Need Survey. It is a survey that is handed out to employees in an area that will be undergoing improving. The aim of the survey is, through a series of yes/no questions, to gain alignment or "buy-in" to the need for improvement.
The book includes a copy of The 5S Desktop (PC) Pocket Handbook - Using the Power of the Toyota Production System (Lean) to Organize and Control Your Electronic Files and Folders.
The book attempts to be an all inclusive resource for the Lean Office. I always find this to be a poor approach. I'd rather read several good books on narrow topics than one poor book on a broad topic. The authors actually claim "Though this book is comprehensive and should have everything you require, it should be noted that as authors and continuous improvement specialists, we are not arrogant to think otherwise." The text does often come off as arrogant without much information supporting the author's expertise.
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