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Gauge Repeatability and Reproducibility GR&R analysis is complete, and the software provides a number. In the meeting ro…
1. Parameters Tuned to "Best," but Mass Production Can't Maintain A home appliance company was working on improving the …
In a machining company, the control chart for the cylinder bore diameter, which was previously stable, suddenly started …
1. A Question That Stumped Me: "The Optimal Solution" A certain automotive parts company was optimizing parameters to re…
In a certain automotive parts company, the quality department has a fixed routine: every September, over 900 measuring i…
1. Why the Same Data Leads to Different Conclusions in Confirmation Experiments A manufacturing company was working on i…
1. Adjusting Parameters for Three Months, but the Conclusion Fails on the Production Line A manufacturing company was wo…
In a hydraulic valve body workshop, the bore diameter is a customer specified special characteristic with a tolerance of…
1. A Meeting Held Three Times Without a Conclusion A car parts company's bracket hole size, after six months of mass pro…
1. Why Did No One Look at the Chart After Seven Days A machining workshop in an automotive parts company once implemente…
1. A One Size Fits All Approach Leads to a Year of False Alarms A certain electronic component company's SPC implementat…
1. Introduction: A "Qualified" Machine Fails After Three Months of Mass Production A manufacturing company recently purc…