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Lean Thinking and Lean Manufacturing
Management Improvement Dictionary
Lean Thinking and Lean Manufacturing Articles
Articles by James Womack -
Directory of Lean Thinking web sites
Lean Thinking and Lean Manufacturing Books
Some of our favorite articles:
A Lean Walk Through History by Jim Womack,
"Once you are sensitized to the depth of lean history, along with its many advances and setbacks, it?s easy to begin filling in some of the other milestones:
By 1765, French general Jean-Baptiste de Gribeauval had grasped the significance of standardized designs and interchangeable parts to facilitate battlefield repairs. (Actually doing this cost-effectively in practice was another matter and required another 125 years.)"
Role of Management in a Lean Manufacturing Environment by Gary Convis, Jul 2001
"Since this column is meant to link automotive engineers with lean manufacturing, I would like to share my personal experience as a mechanical engineer who started out in the traditional way of manufacturing, and along the way discovered a much better way - the Toyota Production System." Gary Convis is the President of Toyota Motor Manufacturing, Kentucky.
Going Lean in Health Care by James P. Womack et. al., 
"Lean principles hold the promise of reducing or eliminating wasted time, money, and energy in health care, creating a system that is efficient, effective, and truly responsive to the needs of patients? the 'customers' at the heart of it all."
TPS vs. Lean and the Law of Unintended Consequences by Art Smalley, Dec 2005
"In every piece of TPS literature from Toyota, this stated aim is mixed in with the twin production principles of Just in Time (make and deliver the right part, in the right amount, at the right time), and Jidoka (build in quality at the process) as well as the notion of continuous improvement by standardization and elimination of waste in all operations."
How To Compare Six Sigma, Lean and the Theory of Constraints by Dave Nave, Mar 2002 
"When you are working through the apparent conflicting claims of performance
improvement programs, my advice is to concentrate on the primary and secondary effects of their philosophies. Once the values of a specific improvement program are identified, the comparison of those values with the values of the organization can make the method of selection easier, if not obvious."
Eliminating Complexity from Work: Improving Productivity by Enhancing Quality by Tim Fuller, Aug 1985 
Redesigning a process to eliminate non-value added steps. A lean thinking example from 1985.
Teaching the Big Box New Tricks by James P. Womack and Daniel T. Jones, Nov 2005 
"The consequence, in terms of performance, is remarkable. Total "touches" on the product (each of which involves costly human effort) have been reduced from 150 to 50. The total throughput time, from the filling line at the supplier to the customer leaving the store with the cola, has declined
from 20 days to five days."
The Best Factory in the World by Norman Bodek,
From his book, Kaikaku : "Pictures of areas of the factory or the office hung throughout the plant. Workers were encouraged to look at the pictures and talk about them together, then to make improvements."
Lean Software Development by Mary Poppendieck, Sep 2003 
"All lean thinking starts with a re-examination of what waste is and an aggressive campaign to eliminate it. Quite simply, anything you do that does not add value from the customer perspective is waste."
The Dramatic Spread of Lean Thinking by Jim Womack, Apr 2005 
"I am delighted with the spread of lean thinking far beyond the factory and
far beyond the high-wage economies to every corner of the world and to
every value-creating activity."
The most recent article additions to our library on lean topics:
Reduce Inventory and Need for Expedited Deliveries by ValuMetrix, May 2005
"The Lean team conducted a step-by-step analysis of the procurement process. After identifying causes of waste and inefficient ordering, it rearranged the supply room, making the most frequently used items more accessible. It instituted a color-coded inventory management system with all necessary information centralized on convenient reorder cards. A monitoring process is helping to identify opportunities for further gains."
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Better Patient Care Using Lean Thinking by ValuMetrix, May 2007
"Lean is not just about better ROI; it's actually fundamentally about better patient care....the end result is, if you improve quality your costs will go
down. If you focus on patient quality and safety, you just can't go wrong. The idea is, you do the right thing with regard to quality and the costs will take care of themselves..."
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The Role of Leadership in Software Development by Mary Poppendieck, Nov 2007
"In this 90-minute talk from the Agile2007 conference, Lean software thought leader Mary Poppendieck reviewed 20th century management theories, including Toyota and Deming, and went on to talk about 'the matrix problem', alignment, waste cutting, planning and standards. She closed by addressing the role of measurement: 'cash flow thinking' over 'balance sheet thinking'."
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Thought Leaders -- Lean On Me by Jim Womack, Dec 2007
"Toyota has a supplier management system that is still the best-in-class, and a good part of Toyota's recent quality issue has been bringing in a whole bunch of non-Toyota traditional suppliers and trying to teach them the Toyota Management System, and they're struggling because it turns out -- and I should know this better than anybody, it's what I've been doing for the last 20 years -- it's hard to get people to change old ways of thinking." This interview includes many other great insights.
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Bringing Lean Principles to Service Industries by Julia Hanna, Oct 2007
"In their research, Staats and Upton document how the use of lean principles affected the workflow at Wipro. The concept of 'kaizen,' or continuous improvement, for example, resulted in a more iterative approach to software development projects versus a sequential, "waterfall" method in which each step of the process is completed in turn by a separate worker."
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Agile 2007: Agile practices travel full circle by Tony Baer, Aug 2007
"Specifically, while lean manufacturing allows you to have a long range forecast for inventory requirements and demand, it forces to you to work with only enough stock to fill firm orders that are in the short-term pipeline. Likewise, agile software development allows you to have high-level requirements and roadmaps for a software project, but only gets specific with 'stories' that are developed for each iteration, or sprint."
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Many more good lean thinking, lean manufacturing aricles.