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Article | REF: R1318 V1

Control of measuring machines

Author: Jean-Paul MATHIEN

Publication date: January 10, 1995 | Lire en français

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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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