, Règlement de la position du tube à l'aide d'un comparateur de sorte que l'axe du tube coïncidé à l'axe de rotation

, Mesure de différentes sections, chaque 2mm sur la hauteur du tube, et exploitation des données via le logiciel Agilent

, Traitement des données par MATLAB pour récupérer la géométrie réelle du tube

, Les données des mesures sont enregistrées sous forme de tensions électriques sur un PC muni d'une carte d'acquisition. Les signaux sont enregistrés avec une fréquence d'échantillonnage de 0.2s. Le défaut est déterminé par la différence entre le rayon réel et le rayon moyen selon la norme, p.4291

, On exploite ici la géométrie réelle du tube (Figure 138). La qualité du tube est évaluée selon l, Ci-dessous nous analysons les résultats des mesures de géométrie à l'aide du logiciel Matlab R2012a

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