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Lean Six Sigma in Light Engineering Clusters in Tamil Nadu.

Lean Six Sigma in Light Engineering Clusters in Tamil Nadu.

LSS 22

Dr. E. Bhaskaran.

B.E, M.B.A., Ph.D., M.I.E., (D.Sc).,

Deputy Director of Industries and Commerce, Government of Tamil Nadu

 

Over the past century, various quality methodologies have come and gone, but some basic principles have endured. Shaffie and Shahbazi (2012) states that in 1913, when young Henry Ford developed his assembly-line system, he focused on standardization and taking waste out of the car manufacturing process.

Over the years, the world of quality has ultimately converged on the principles that are known today as Lean and Six Sigma. Lean, with its simple approach that focuses on improving the speed and efficiency of processes provides breadth in problem solving. On the other hand, Six Sigma is more sophisticated and offers a method for drilling deep into complex issues. Six Sigma also has a very structured approach to problem solving that is absent in Lean. 

By definition, Six Sigma is about enhancing the quality and accuracy of processes by reducing variation, while Lean focuses on achieving faster response times by eliminating waste also takes into account waste created through overburden and waste created through unevenness in workload. 

As a result, these two methodologies offer complementary tool kits; they help address the root cause of different business challenges. For example, if the goal is reducing manufacturing cycle time, Lean principles can help identify areas of 7 wastes to be eliminated as shown in figure 1. On the other hand, if the goal is to reduce defects in manufacturing, Six Sigma 5 innovative tools provide the better fit with understanding root causes .

 

 

 
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