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SYSTEM AND METHOD FOR MECHANICAL RUNOUT MEASUREMENT | VORRICHTUNG UND VERFAHREN ZUM MESSEN DER MECHANISCHEN UNRUNDHEIT | DISPOSITIF ET PROCÉDÉ POUR MESURER L'EXCENTRICITÉ MÉCANIQUE

Patentnummer:EP2947421B1
IPC Hauptklasse:G01B002112
Anmelder:
Erfinder:
Anmeldung:18.05.15
Offenlegung:22.05.14
Patenterteilung:08.05.19

Abstract / Hauptanspruch
A method of measuring mechanical runout including: mounting a work piece (101) on a rotatable mount (110), wherein the mount (110) is configured to rotate the work piece (101); placing a displacement sensor (105) at a known position adjacent a surface of the work piece (101), the displacement sensor (105) being configured to measure a radial dimension of the work piece (101); attaching a removable angle indicator (102) to the surface of the work piece (101); rotating the work piece (101) while mounted on the mount (110) and collecting rotational data of the rotational position of the work piece (101) during the rotation; collecting displacement data from the displacement sensor (105) as the work piece (101) rotates, wherein the displacement data indicates a radial distance from a rotational axis of the work piece (101) to the surface of the work piece at points on the surface as the surface rotates with respect to the displacement sensor (102); analyzing the displacement data to detect data representing the angle indicator (102) on the surface of the work piece (101); correlating the displacement data with the rotational data, and determining displacements of points on the surface of the work piece (101) based on the correlated displacement data.

EP2947421B1


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