Total 101 Posts

Taguchi L18 DOE

Design of Experiments (DOE) are perhaps the single most powerful tool I have found to screen, characterize, and optimize a process. For an introduction to what DOE’s are please read this post. Taguchi L18 Tonight I want to focus in a bit more on one of my favorite types of

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Repetitions versus Replications

Many Six Sigma practitioners struggle to differentiate between a repetition and replication. Normally this confusion arises when dealing with Design of Experiments (DOE). Let’s use an example to explain the difference. Sallie wants to run a DOE in her paint booth. After some brainstorming and data analysis she decides to

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Could Work Kill You?

I am a frequent flier and thus read lots of airplane magazines. One of the better mags of the sky is American Way from American Airlines. The May issue is about all things Asia. There are several good articles but the one that really caught my eye dealt with a

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First Impression of Workplace Management

I have now read Taiichi Ohno’s Workplace Management which was recently translated by Gemba Press. I have already started reading it a second time as I know I will gain an enormous amount reading it again (and maybe a third time). I wanted to share my first impressions of the

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Hangin’ with Taiichi – Update

As I explained a few nights ago I received my copy of “Workplace Management” by Taiichi Ohno. When I first looked at the book I was a bit surprised at how small the book looked. Normally when I see a 100 something page book I can blow through it in

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Outsourcing versus Offshoring

It seems like every time I turn around there is a new survey. One says Lean rocks, one says almost everyone that tries Lean fails, and one says Dilbert ruined Six Sigma. OK, this last one is stretching it a bit. Maybe. Well just today I read about a survey

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Saudi Arabia meets Six Sigma

A series of ‘Six Sigma Foundation Courses’ are going to take place during May 2007 in different cities of Saudi Arabia. Link to article.

Hangin’ with Taiichi

Let me set the scene of this momentous moment.My wife had already left for her Bible study. I had two kids in the tub (2 year old and 8 month) and my 4 year old was doing something bad… I am sure of it but can’t prove it since I

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Wanna Be Lean? Buy Some Carousels.

I recently came across an article that irritated me. The gist of its message is that once all the “easy stuff” with Lean is taken care of… you know like respecting people, improving quality, and pulling material through the value stream… it’s time to buy some fancy carousels to move

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Repent, I mean Hansei!

I never seem to stop learning from my friend Jon Miller.  I wanted to write a post about hansei and thus decided to dig around to see what other bloggers had to say on the topic. I typed hansei into Google and mid way through the first results page I

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