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In the five stages of DMAIC, Define sets the direction, Measure provides the evidence, Analyze determines the understand…
In deep quality improvement efforts, almost everyone hits the same wall: there are seven or eight influencing factors, e…
Many Six Sigma projects fail not in the measurement phase but in the analysis phase. The M phase involves meticulous dat…
Six Sigma has been implemented for many years in a certain equipment manufacturing company, but it often encounters an a…
Many quality professionals complete full factorial experiments in Design of Experiments DOE but get stuck at the final s…
1. D Stage Passed Smoothly, but M Stage Nearly Derailed the Project An automotive parts company launched a Six Sigma pro…
1. Introduction: An Audit Report Reveals the True Picture An automotive parts company specializes in spline shafts, with…
Many quality professionals get stuck on model selection when they start learning DOE: they know how to handle a few fact…
1. Introduction: The Most Contradictory Scene A leading product of an automotive parts company is the engine hydraulic v…
1. Introduction: A Project Stuck in the Measure Phase for Four Months A manufacturing company initiated a Six Sigma proj…
Many companies experience the same excitement and disappointment when implementing Six Sigma: sending a batch of key per…
1. DOE is Not a Synonym for "Conducting More Trials" Many companies follow a strikingly similar process when implementin…