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REPORT 22514-9
First edition
2023-11
Statistical methods in process
management — Capability and
performance —
Part 9:
Process capability statistics for
characteristics defined by geometrical
specifications
Méthodes statistiques dans la gestion de processus — Aptitude et
performance —
Partie 9: Méthodes statistiques pour l'aptitude des processus dont les
caractéristiques sont définies par des spécifications géométriques
Reference number
ISO/TR 22514-9:2023(E)
© ISO 2023
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ISO/TR 22514-9:2023(E)
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© ISO 2023
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Published in Switzerland
ii
© ISO 2023 – All rights reserved
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ISO/TR 22514-9:2023(E)
Contents Page
Foreword .iv
Introduction .v
1 Scope . 1
2 Normative references . 1
3 Terms and definitions . 1
3.1 Terms. 1
3.2 Abbreviated terms . 4
3.3 Symbols . 4
4 Statistical measures used in the calculation of process capability or performance .5
4.1 General . 5
4.2 Independency principle . 5
4.2.1 General . 5
4.2.2 Maximum Material ISO versus ASME . 6
4.2.3 Measurement procedure . 6
4.3 Location . 6
4.4 Dispersion . 6
4.5 Reference limits . 6
4.6 Reference interval .
...