Month: September 2007

Total 31 Posts

This Too is a Kanban

The orthodox description of a kanban is a rectangular card in a plastic sleeve used to reorder materials from a supplier or an upstream process, or a triangular metal plate used to signal production for a process that requires changeovers for lot production. However, orthopraxy (correct practice) is more important

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Where is Ron?

Hello from London, England.  I wanted to drop a line and apologize for my lack of blogging action!  I have been extremely busy as of late and thus my blogging has taken a bit of a hit.  I typically post my blogs in the evenings but due to some changes in

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Push, Pull, Paper Clips & Problem Solving

The Toyota Production System, or what we call sometimes call Lean management, is simply the practice of planning, trying out your plan, reflecting (hansei) on what worked and what did not work and making adjustments through problem solving. Everyday skills in practical problem solving are required for Lean management to

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The Push vs. Pull Diversion Diversion

I’m still scratching my head over an IndustryWeek article titled The Great Push vs. Pull Diversion by By Edward S. Pound and Mark L. Spearman of Factory Physics, consultants and writers of one of my favorite Lean books. They state: Executives and managers in manufacturing have been subject to a

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What Are You Building?

For those of us who are in manufacturers, or in some way involved in making things or helping others make things, we think in terms of what we build, the materials, tools and processes we use. How would you answer if you were asked “What are you building?” through your

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Calculating Rolled Throughput Yield (RTY)

One of the most poweful operational metrics I know of is Rolled Throughput Yield (RTY).  It’s used to assess the “true” yield of a given process.  This includes what we often call the “hidden factory” that plagues so many organizations… sucking profit right off their financial statements! Traditional Yield Let’s use

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