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| Basic StabilityJuly 1, 2005 I have visited several factories that have successfully implemented one-piece flow. On the other hand, I have also visited unsuccessful factories that have attempted to implement one-piece flow but have not been able to achieve it. Two months ago, I wrote an article that covered one missing element in many of the unsuccessful attempts, standardized work. Another key element to achieving one-piece flow is achieving basic stability. In fact, this is a prerequisite to achieving true one-piece flow. What is basic stability? If you are familiar with EMS Consulting Group, you know that we have taught and continue to teach that to achieve one-piece flow, one must have:
The above three elements are critical to one-piece flow success; together, those three elements define the term "basic stability." If basic stability is in place, one-piece flow is possible (and not very difficult to achieve). There are several tools that can help an organization achieve basic stability. Let's review three of them briefly. 1. Total Productive Maintenance (TPM). The goal of TPM is to improve Overall Equipment Effectiveness (OEE) by eliminating the "Big Six Losses"
2. 5S. The five S's are Sort, Set-in-Order, Shine, Standardize, and Sustain. Together, the five S's work to organize and maintain an organized workplace. A workplace that has implemented 5S is one that has predictable, repeatable processes. 3. Six Sigma / Statistical Methods. Very often, the tools of six sigma must be applied to reduce variation in a process. For a summary of the tools of six sigma, click here to read one of our articles on this subject. Basic stability is critical to achieving one-piece flow in a manufacturing cell. Using 5S, TPM, and statistical methods, one can reduce variation and create the necessary conditions for one-piece flow. Click here to subscribe to our free e-newsletter Learning to Lean and receive three articles like this one each month. About the Author Darren Dolcemascolo is an internationally recognized lecturer, author, and consultant. As Sr. Partner and co-founder of EMS Consulting Group, he specializes in productivity and quality improvement through lean manufacturing. Mr. Dolcemascolo has written the book Improving the Extended Value Stream: Lean for the Entire Supply Chain, published by Productivity Press in 2006. He has also been published in several manufacturing publications and has spoken at such venues as the Lean Management Solutions Conference, Outsourcing World Summit, Biophex, APICS, and ASQ. He has a BS in Industrial Engineering from Columbia University and an MBA with Graduate Honors from San Diego State University. | ||||||||||||||||||||
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