SIX SIGMA PROCESS AT A GLANCE
SIX SIGMA process for problem-solving methodology can be applied by many organization in general. Six Sigma at many organizations simply means a measure of quality that strives for near perfection. Six Sigma is a disciplined, data-driven approach and methodology for eliminating defects(driving towards six standard deviations between the mean and the nearest specification limit)in any process-from manufacturing to transactional and from product to service etc. Six Sigma is driven by a DMAIC approach that identifies, measures, analyzes, improves and sustains the process. DMAIC is a cycle used to eliminate the defect or improve the opportunities in the process for business improvements through five main steps: Define, Measure, Analyze, Improve, and Control.
The fundamental objective of the six sigma methodology is the implementation of a measurement-based strategy that focuses on process improvement and variation reduction through the application of SIX SIGMA IMPROVEMENT PROJECTS. This is accomplished through the use of two Six sigma sub-methodologies: DMAIC and DMADV Six Sigma Process Improvement projects use a rigorous, phase gated methodology with the following phases:
• Define – to scope, establish the process and its inputs and outputs, set up the team and plan the project.
• Measure – to gather data to baseline the current ‘as is’ state and identify the possible causes of variation and waste.
• Analyse – to understand the relationship between the inputs and the outputs of the process under review so that the ‘vital few’ causes of variation and waste can be identified.
• Improve – to identify potential solutions, select the best one and design the new process incorporating the improvements. • Control – to put in place the controls and monitors that will sustain the improvements over time.
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