Shainin Problem Solving

Shainin Problem Solving-62
I work as a Director for SSA & Company (formerly Six Sigma Academy). I work with deployment teams to achieve process improvements through consulting, training, project execution and change management.I train, coach and mentor Black Belts Master Black Belts, and Champions using Lean Six Sigma to solve problems.

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Shainin uses the Problem Definition Tree to convert business problems to high-value projects.

Then it uses Project Definition Tree to convert a project to a well defined Y or response with engineering leverage.

Pre-Control is used to keep the problem under control. Take me through a brief case study to show how someone can employ some of these basic tools. This is when you are driving down the road, step on the brakes and nothing happens. Shainin was used to solve this huge brake leaks; we called it a "spill" on a drum brake application of a major automotive original manufacturer (OEM).

This leak problem was causing the OEM to hold vehicle shipments and required very expensive and time consuming repair at the end of the production line.

How may Shainin be used to help complement other structured innovation/process improvement methodologies such as Lean Six Sigma?

Shainin can be used to complement the Lean Six Sigma methodology.It uses Strategy Diagram to identify most leveraged direction.Isoplot is then used to make sure the measurement system is effective.Today’s busy Process Excellence professionals need solutions to their process improvement problems not in weeks or months, but in days. In this Six Sigma IQ interview, Ha Dao, Director for SSA & Company (formerly Six Sigma Academy), explains how the Shainin methodology can be leveraged for more efficient and quicker problem solving.Please talk a bit about your Process Excellence background.Shainin also combines the Y to X approach with "talking-to-the parts" technique by forcing the parts to reveal the insights and clues to the nature of the problem.As you know, most tough problems often involve interactions that are not yet understood or recognized through experience alone.Clue generation tools such as Component Search, Group Comparison, Pair Comparison are used to converge on the Red X. W confirmation test is then used to confirm the Red X.Tolerance Parallelogram is used to set the proper tolerance. Several years ago, I was involved in a brake leaks case.Shainin uses a radically different approach which is called the Y to X (or Effect to Cause) to converge on the root cause.This is a huge paradigm shift of the traditional approach of X to Y, which is listing of potential causes (Xs) through brainstorming and engineering judgment then test to see if the Xs have an effect on the Y. Like reverse engineering, it starts out with a well defined effect, Y, which is a measured response that has engineering leverage and reveals insight into the physics of the failure.


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