Six Sigma is a data-driven methodology for reducing process variation and defects to fewer than 3.4 defects per million opportunities, using the DMAIC (Define, Measure, Analyse, Improve, Control) framework.

Manufacturing Concepts

What is Six Sigma?

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Six Sigma: Six Sigma is a data-driven methodology for reducing process variation and defects to fewer than 3.4 defects per million opportunities, using the DMAIC (Define, Measure, Analyse, Improve, Control) framework.

Six Sigma Belts

Six Sigma practitioners hold "Belt" certifications: White/Yellow (basic awareness), Green Belt (project execution under guidance), Black Belt (leads improvement projects, statistical expertise), Master Black Belt (programme-level leadership). Motorola originated Six Sigma in 1986; GE popularised it globally in the 1990s.

Six Sigma Data from ERP

The Measure and Analyse phases of DMAIC require process data. ERPNext provides: defect counts (Quality Inspection rejections), cycle times (Job Card time logs), yield rates (finished goods vs expected from BOM), and scrap quantities. Export these to statistical software (Minitab) for process capability analysis.

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