Advances in uncertainty assessment using uncalibrated objects with freeform geometry on coordinate measuring machines

Enrico Savio, Leonardo De Chiffre

    Research output: Chapter in Book/Report/Conference proceedingArticle in proceedingsResearchpeer-review


    The paper describes some advances regarding establishment of traceability of freeform measurements on coordinate measuring machines using the “Uncalibrated Object” approach, which is currently being considered for development as a new ISO standard. The method deals with calibration of artefacts by: i) repeated measurements of a given object in different orientations, ii) measurement of calibrated length and form standards, and iii) additional investigations with variation of measuring parameters. The feasibility of this approach for the case of complex freeform geometries is documented through calibration of a turbine blade.
    Original languageEnglish
    Title of host publication3rd euspen International Conference
    Publication date2002
    Publication statusPublished - 2002
    Event3rd Euspen International Conference - May 26-30, 2002, Eindhoven, Netherlands
    Duration: 26 May 200230 May 2002
    Conference number: 3


    Conference3rd Euspen International Conference
    Location May 26-30, 2002

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