Lean and six sigma
Six Sigma is a system mostly focused on quality. Developed for Motorola Six Sigma is said to have saved billions of dollars for them. Six Sigma concept is used to improve the quality, create a culture focused on customer requirements and measure and analyze those results using statistical tools. Most of the people describes the number of defects per million opportunities is the core discipline in Six Sigma. There is a different dimension to this concept as well. Involvement of management in the process, defining the quality and requirements from a customer’s perspective are very important in Six Sigma.
Lean manufacturing on the other hand is a system which looks at the entirety. One of the main advantages of lean may be the high quality. But quality is not the only focus of lean. It focuses on fulfilling the customer requirements effectively and efficiently. Aging lean has some similarities with Six Sigma concepts. For example management participation, customer focus are areas looked in lean manufacturing as well.
So what is lean six sigma? This is the application of six sigma concepts with lean concepts in order to achieve the favorable results of both of these techniques. Lean provides the flexibility, ways of improvement while six sigma gives very statistical measurable results especially in quality. This is the concept anyway.
As I have discussed on many of my previous posts, lean is a system based on concepts. Any other system can be used with lean as far as it does not violate the core concepts of lean. There are many success cases of lean six sigma concept. There are many failures as well. It is important not to loose the focus on main goals of lean. It is open for discussion the effect Six Sigma will bring to lean manufacturers. So if you have experiences to share leave a comment.
Lean manufacturing on the other hand is a system which looks at the entirety. One of the main advantages of lean may be the high quality. But quality is not the only focus of lean. It focuses on fulfilling the customer requirements effectively and efficiently. Aging lean has some similarities with Six Sigma concepts. For example management participation, customer focus are areas looked in lean manufacturing as well.
So what is lean six sigma? This is the application of six sigma concepts with lean concepts in order to achieve the favorable results of both of these techniques. Lean provides the flexibility, ways of improvement while six sigma gives very statistical measurable results especially in quality. This is the concept anyway.
As I have discussed on many of my previous posts, lean is a system based on concepts. Any other system can be used with lean as far as it does not violate the core concepts of lean. There are many success cases of lean six sigma concept. There are many failures as well. It is important not to loose the focus on main goals of lean. It is open for discussion the effect Six Sigma will bring to lean manufacturers. So if you have experiences to share leave a comment.
4 comments:
Good post. I agree with your assessment of lean six sigma. When we do a lean six sigma training we teach six sigma and then lean is utilized in the improve phase. Actually, without the lean tools, six sigma falls way short in many attempts to improve the system. The six sigma tools are great to define, measure, analyze, and control the problem. Lean is often the best method of improvement. Also, the DMAIC model can work with a quick lean project as well. We teach lean six sigm as a way of solving problems. Too many six sigma practitioners try to fit the tool to the problem.
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With all the different teachings and courses on "Lean" and Six Sigma" I think a lot failures for companys trying to strive for the "Lean Six Sigma" is that they don't make it their own they try to copy a system that worked for some other facility. All the tools in the world will not help you unless you make it your own..
Hi
Definitely, this a good article, a little but clear explanation of lean. I work with ERP implementations and I try to use the lean concepts always. Maybe I am wrong but certain MRPII methodology concepts are considered in the lean technics. For this reason this is familiar for me.
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