Evaluation of Repeatability and reproducibility of CMM equipment

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Abstract

Requirements for measurement accuracy are constantly increasing, as are the requirements for evaluating quantifiable characteristics measurement systems. Among engineering fields, the highest requirements are placed on measuring systems in the automotive and aerospace industries. Specialized automatic control and measurement devices that evaluate specific parameters of components are being increasingly used in high-volume mass production. The issue of variation and uniformity of measurement results within the supply chain of today is an everyday topic of discussion among quality assurance representatives of both parties. The article describes an experiment, in which an experimental test pattern was gradually measured using CMM in a controlled environment of metrology laboratory and then the test part was measured by a workshop CMM, which was equipped with temperature compensation system, in an uncontrolled environment. After securing a statistically relevant amount of data, both measured files were analyzed to verify repeatability and reproducibility, the parameters which are crucial in terms of production practice.

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Kubátová, D., Melichar, M., & Kutlwašer, J. (2017). Evaluation of Repeatability and reproducibility of CMM equipment. Procedia Manufacturing, 13, 558–564. https://doi.org/10.1016/j.promfg.2017.09.091

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