www.leansigma.cn |
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This simplified Chinese language
version lean six sigma website is mainly for customers from mainland China,
Taiwan and Hong Kong. |
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Six Sigma
Methodology
Six Sigma focuses on
reducing process variation and then on improving the process
capability through these three methodologies
- Process Improvement
- DMAIC (Define-Measure-Analyze-Improve-Control)
- Process
Redesign/Design - DMADV
(Define-Measure-Analyze-Design-Verify)
- Process Management -
SPC & Cpk (Statistical Process Control & Process Capability)
DMAIC Model
Basically, Six Sigma methodology answers these fundamental and important questions.
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Define Phase |
What is important? |
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Measure Performance |
How are we doing? |
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Analyze Opportunity |
What is wrong? |
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Improve Performance |
What needs to be done? |
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Control Performance |
How do we guarantee
performance? |
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Note: CTQ denotes critical to quality.
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