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2. Verification of metrological performance
2.1 Developments in standardization
In the early years of CMMs, specifications only specified partial tolerances on geometric parameters. The most frequently specified characteristics were :
orthogonalities,
straightness deviations,
positioning accuracy errors.
Acceptance inspections and maintenance operations were usually limited to these parameters.
Gradually, and in parallel with the arrival of geometric error correction software, the lack of interest in these specifications became apparent.
There are two possible scenarios:
a CMM within...
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Verification of metrological performance
Monitoring methods
References
Theses
- - http://www.sudoc.abes.fr
- BACHMANN (J.) - Contribution à la propagation des incertitudes dans les gammes de mesure des machines à mesurer par coordonnées. - Université d'Aix-Marseille 2. Faculté des Sciences...
Standardization
AFNOR Association Française de Normalisation
- Méthodes de mesurage dimensionnel. Deuxième partie. Écarts de rectitude - NF E 10-101 - 2.88
- Spécification géométrique des produits (GPS). Vérification par la mesure des pièces et équipements de mesure. Partie 1 : règles de décision pour prouver la conformité ou la non-conformité...
Manufacturers
(Non-exhaustive list)
Laboratoire National d'Essais LNE - http://www.lne.fr/
Koba (distributed by Blet - http://www.blet-mesure.fr )
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