Guides
APQP & PPAP, explained well.
Plain-language guides to the method behind a launch — how to run a PFMEA, what Action Priority really means, how special characteristics flow, and how the 18-element PPAP comes together. Written for quality and APQP engineers.
Concepts
Action Priority vs RPN: the AIAG-VDA change explained
Why the 2019 AIAG-VDA handbook retired the Risk Priority Number in favour of an Action Priority table — and how to prioritise PFMEA findings with it.
8 min read · ConceptsSpecial characteristics: critical vs significant, and how they flow
What special characteristics are, the difference between critical and significant, and why they must propagate from design through the PFMEA into the control plan.
7 min read · ConceptsAPQP vs PPAP: how the framework and the evidence fit together
Two acronyms, one launch. How Advanced Product Quality Planning and the Production Part Approval Process relate — and where one ends and the other begins.
6 min read · Concepts