Practical techniques · Tool applications · Pitfall guides · Case studies · Data analysis · Improvement methods · Audit readiness
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A manufacturing company was undergoing a customer process audit. The quality manager presented a stack of measurement sy…
1. Daily Alarms, but No Issues Found on the Production Line A plastic injection molding company implemented an X̄ R cont…
1. A Vernier Caliper That "Can't See the Difference" A parts manufacturer was inspecting a shaft with a tolerance of 0.0…
1. GR&R Passed, but the Gauge Made Two Shifts into Rivals A certain electronics factory was inspecting the height of con…
1. The Charts Are Drawn, the Points Are Plotted, but Soldering Defects Still Occur Two years ago, an electronic connecto…
1. Forty Three Project Proposals, Only Nine Completed by Year End An electronics manufacturing company mainly producing …
1. The 99.7% on the Report, but Not on the Production Line A wave soldering process in an electronics company has had a …
1. A "Excellent" Report of 7.1%, Resulting in Six Months of Fake Data An automotive parts company supplies welded bracke…
1. Oil Seal Pressing Damage Cured, but Recurred in Another Workshop Six Months Later A star assembly line at an automoti…
One: 16 Trials Done, but the Conclusion is "Wasted Effort" Engineer Xiao Lin at an electronics factory was assigned a we…
A certain electronics manufacturing company has been implementing Six Sigma for four years, with over fifty Black Belts …
1. Common Mistakes After Exceeding Limits %GR&R measures 32%, and the first reaction at the quality meeting is often: "T…