Surface Roughness Specification: Why Ra Alone Fails Functional Requirements
Ra is the most common surface callout on drawings, yet it describes almost nothing functional. Here is how to specify…
“Executive Journal
Why Quality Systems Fail in the Real World
Root causes, system gaps, and leadership blind spots that undermine performance — no matter the standard.
Explore 1,138 practical articles ›Latest Analysis
Optical Comparators in Modern Inspection: Where They Still Outperform Vision Systems
Optical comparators still outperform vision systems for edge definition, operator auditability, and demanding surface tolerances in inspection.
ISO & Standards
ISO 42001 Implementation: A Quality Manager Roadmap
ISO 42001 applies PDCA logic to artificial intelligence. For practitioners who already manage ISO 9001 or AS9100, the hard part…
Documented Information in ISO 9001:2026: Practical Strategy for QMS
ISO 9001:2026 sharpens the focus on QMS documented information. Transitioning successfully means shifting from compliance archiving to engineering accessible, user-driven…
Lean & Six Sigma
CMM Programming Errors That Pass Bad Parts
CMM datum alignment, probe vector, and sampling density errors systematically accept nonconforming parts. Learn how to audit your CMM programs.
Inspection Strategy: Why 100% Inspection Produces More Defects Than Sampling
100% inspection after a defect escape feels right but increases defects. A layered, risk-based inspection strategy is the only mathematically…
Curated Series — The Psychology of Quality
All 397 parts →Why quality systems fail for human reasons: cognitive biases, fallacies and organisational habits — examined one at a time.
About the Author
Peter Stasko
Quality Director with 20+ years of hands-on experience across automotive and aerospace — including ISO 9001 implementations at Airbus, SNOP and WITTE Automotive. Helping leaders build quality systems that perform in the real world.
More about Peter →IAEC Insights
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