News

Nov 5 2018

Vade retro, Pareto ! | Cécile Roche | LinkedIn

Vilfredo Pareto (1848-1923)

“Vilfredo Pareto was a respected economist and sociologist, which few people know. He invented the theory of Pareto optimality, which describes a maximum efficiency of the competitive economy. Better known to the general public for his empirical law of 80/20 (in general, 20% of the causes generate 80% of the effects), his reputation is in reality often reduced to the use of the diagram of the same name (that he did not even invent!)

And that’s where things go wrong. I’m sure you know this famous diagram, the one where you stack problems in pre-labeled columns. Those who know me know that most of the time, these famous diagrams (actually invented by Joseph Juran) generate in me a reflex of distrust…”

Sourced from LinkedIn Pulse

Michel Baudin‘s comments: Cécile Roche’s article has a clever title that works in English as well as in French. The body of the article, however, is in French, and I recommend Google-translating it into the language of your choice. The result won’t be perfect but you will get the gist.

Her experience with Pareto diagrams confirms the points I have been making about them in this blog. I agree with Cécile’s conclusions that they are good for slides but not as drivers for actual change. On the other hand, I don’t believe it has to be that way and I see many practical uses for the analysis behind the diagrams, if not for the diagrams themselves.

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Oct 19 2018

Fake News | Becky Morgan | Target Online

Becky Morgan

“Edward R Murrow and Walter Cronkite were our rocks. Now the Internet funnels so many opinions and sources that it is difficult to know who and what to trust. More fundamentally, it has become difficult to agree on the facts. Your company is likely steeped in fake news too. It may be coming from the leadership team, from informal leaders, or from external influences. The confusing part is that those same groups can be the source of factual news. Who should people believe? It’s extremely hard to be ‘aligned’ or ‘operationally excellent’ or ‘world class’ if we can’t even agree on the basics.”

Source Target Online

Michel Baudin‘s comments: Becky is saying that communications inside a business organization are full of lies and she proposes remedies that are changes in individual behaviors: don’t make things up, facilitate open discussions, listen actively, build discussion skills, etc. But why do people lie at work?

Management mendacity persists through generations

Most don’t like to but find that they must in order to earn promotions or even keep their jobs. In The Project Game, we examined how managers rate project leaders as too timid unless they plan for the shortest task durations that don’t violate the laws of physics. To get or keep their assignment, the leaders make these claims, miss deadlines, and work desperately hard to finish. By surviving in this game, they secure promotions and carry on the same practices with the next generation. They may prefer to follow Becky’s recommendations but they can’t.

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Oct 12 2018

For Lean Production to Work, a Company Needs to Be All In | Ellen Rosen | The New York Times

 

“For a company in Chesterfield, Mo., it involved something as seemingly simple as attaching a trash can to an employee’s chair. For one in St. Louis, it meant leaving the cover off an electronic temperature controller. For others it’s meant gathering employees from the chief executive on down for what’s known as Kaizen events — based on the Japanese word for continuing improvement. What do these seemingly unconnected efforts have in common? They are approaches to what is known as lean manufacturing — or, more recently, lean production — aimed at streamlining production processes, enhancing employee engagement and increasing profits.”

Source: The New York Times(10/11/2018)

Michel Baudin‘s comments: Thanks to Kevin Hop for drawing my attention to this article. Like him, I do read The New York Times regularly and usually appreciate the quality of its reporting. This article, however, does not measure up. It reflects the conventional wisdom on Lean manufacturing which, if anything, explains why so many implementations fail.

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Sep 3 2018

10 Lean Manufacturing Ideas for Machine Shops | Shahrukh Irani | Modern Machine Shop

Machined Workpiece

“Lean manufacturing as it is traditionally practiced is of benefit to machine shops, but the extent of its benefit is often limited. The Toyota Production System on which lean manufacturing is based was designed for assembly plants that produce automobiles by the thousands. While an assembly plant focuses on low-mix, high-volume production, a typical machine shop focuses on high-mix low-volume production. A machine shop and assembly plant cannot expect to realize the same lean benefits with the same lean tools.”

Source Modern Machine Shop

Michel Baudin‘s comments: Shahrukh and I have long disagreed on these issues and I still take exception to many of his general statements. On the other hand, I agree with most of his recommendations.

Machining is not all about High-Mix/Low Volume

While there may be many small machine shops doing high-mix/low-volume production, the bulk of machining is done in larger Automotive and Aerospace & Defense shops that don’t fit this description. Automotive machine shops remove small amounts from hundreds of thousands of aluminum castings/year with product lives on the order of 4 years; aerospace machine shops, large amounts from forgings in exotic alloys in the hundreds/year with product lives in decades.

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Aug 5 2018

Why I was wrong about 2- second Lean | Dan Markovitz

 

“It’s time to admit that one of my consulting approaches has failed. I’m a huge fan of Paul Akers’ 2 Second Lean philosophy. It’s simple, easy to understand, and has an intrinsic appeal: “fix what bugs you.” “Figure out how to do your job two seconds faster each day.” Who wouldn’t sign on to a lean program that promotes that mindset?

So off I went to my clients, with Paul’s videos embedded in my PowerPoint presentation, ready to show them how 2 Second Lean is the answer to their productivity problems, their low employee engagement and morale scores, their mediocre customer service, and their too-high defect rates. And I failed.

When I look back at the clients I introduced to Paul’s method, I have to be honest and admit that a more traditional, kaizen event-driven approach would have served them better. 2 Second Lean didn’t hurt them, but they didn’t reap the rewards that they wanted, and that I promised. 

I missed the most obvious fact: 2 Second Lean is simple. But it’s not easy. The commitment required of the president is enormous.”

Sourced from Marcovitz Consulting

Michel Baudin‘s comments:

Is the approach simple or simplistic? Perhaps, the mistake is assuming that a single method is all you need, whether it is the “2-second” approach or the oxymoronic “Kaizen event.” It’s the panacea fallacy. To improve a factory, you need a range of different approaches, from tiny improvements an individual can make within his or her area of responsibility without asking anyone’s permission to projects like line redesigns that may occupy dozens of people for months.

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Jul 27 2018

Lean Thinking: ingredients, incubation and diffusion | John Shook | Planet Lean

Ford and Toyota

“What does it really mean to say that lean thinking is not uniquely Japanese? First, it indicates that not all Japanese companies are ‘lean.’ […] Secondly, we have successful examples of lean applications all around the world – not just in Japan […]. We know these things to be true.

To say, however, that lean is not uniquely Japanese doesn’t mean that there is nothing Japanese about it. So, let’s explore this second, little explored, idea. […] by asking more questions. One critical question we can ask ourselves is: “Could have TPS emerged anywhere other than Japan?” And finally, “What, if anything, is Japanese about lean thinking?”

My attempt to address these questions – an ever-changing effort as I reflect more and the world around us keeps evolving – has taken the shape of the graph you see below, which illustrates what I call the “Toyota double funnels”. There are three main sections to the graphic:

  • The left funnel represents a selection of key ingredients that, combined, have led to the creation of Toyota’s way of working.
  • The spiral in the middle of the graphic represents the actual genesis of the Toyota Way, TPS, TPD, TMS and lean thinking, which can be traced back to a 30-year period of incubation, between 1950 and 1980.
  • The right funnel represents the diffusion of this body of knowledge around the world, which started around the time of the NUMMI experiment, in 1984.

[…]I believe the spread of lean has been both a matter of diffusion and of dilution.[…] Along with the dilution, there’s been more than a little delusion, aided by consultants selling things under the name of “lean” that are far from the original intent of the thinking, system, and application.”

John Shook’s double funnel is reproduced here. Click on it to enlarge or view it on Planet Lean to click on each item and see more details.

John Shook’s double funnel

Sourced through Planet Lean

Michel Baudin‘s comments: As usual, John Shook’s post is both grounded in deep knowledge and well written. The infographic is also clear and the popup boxes of information attached to each item on Planet Lean are a valuable enhancement.  But I still don’t buy everything in it.

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