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首页> 外文期刊>Mapan: Journal of Metrology Society of India >Coordinate-Based Evaluation of Two Dimensional Artefact Calibration Value as the Reference Standards for Coordinate Measuring Machines
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Coordinate-Based Evaluation of Two Dimensional Artefact Calibration Value as the Reference Standards for Coordinate Measuring Machines

机译：基于坐标评估二维人工制品校准值作为坐标测量机的参考标准

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摘要

Two dimensional standards are important materials which are used in the calibration and the verification of coordinate measuring machines. In several countries, the national metrology institutes or accredit laboratories provide the calibration services of the two dimensional standards such as ball plates, hole plates and grid plates. The metrological equivalence of the measurement standards among the calibration providers is validated through the key comparison program. In the previous key comparison for a ball plate and a hole plate, the equivalences among the participants’ calibration results were verified on the distances between the No. 1 ball/hole (i.e., the origins of the workpiece coordinates) and other balls/holes on the plates respectively. The essential measurands of the two dimensional standards are the coordinates of the feature points, however, the measurement equivalences on them have not been verified. In this study, the authors propose the coordinates-based evaluation of the reference values and their uncertainty in two dimensional standard calibration comparison.
机译：二维标准是在校准和坐标测量机的验证中使用的重要材料。在若干国家，国家计量机构或认证实验室提供二维标准等二维标准的校准服务，如球板，孔板和栅格板。通过关键比较计划验证校准提供商中测量标准的测量等值。在球板和孔板的先前键比较中，参与者校准结果中的等效性在1号球/孔（即，工件坐标的起源）和其他球/孔之间验证了参与者校准结果的等效性分别在板上​​。二维标准的基本测量是特征点的坐标，然而，尚未验证它们上的测量等效性。在这项研究中，作者提出了基于参考值的基于参考值的评估及其在二维标准校准比较中的不确定性。

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