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Surface form inspection with contact coordinate measurement: a review

出版社

IOP Publishing Ltd
DOI: 10.1088/2631-7990/acc76e

关键词

freeform surface; form inspection; contact measurement; coordinate measurement; on-machine inspection

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This paper provides a systematic review of existing research in the field of contact measurement. It introduces different configurations of measuring machines that may affect sampling and inspection path generation criteria. The entire inspection process is divided into pre-inspection and post-inspection stages, and typical methods for each sub-stage, including sampling, accessibility analysis, inspection path generation, probe tip radius compensation, surface reconstruction, and uncertainty analysis, are systematically overviewed and classified. Additionally, the paper presents the applications of deep learning in specific measurement tasks and suggests potential trends for future investigation.
Parts with high-quality freeform surfaces have been widely used in industries, which require strict quality control during the manufacturing process. Among all the industrial inspection methods, contact measurement with coordinate measuring machines or computer numerical control machine tool is a fundamental technique due to its high accuracy, robustness, and universality. In this paper, the existing research in the contact measurement field is systematically reviewed. First, different configurations of the measuring machines are introduced in detail, which may have influence on the corresponding sampling and inspection path generation criteria. Then, the entire inspection pipeline is divided into two stages, namely the pre-inspection and post-inspection stages. The typical methods of each sub-stage are systematically overviewed and classified, including sampling, accessibility analysis, inspection path generation, probe tip radius compensation, surface reconstruction, and uncertainty analysis. Apart from those classical research, the applications of the emerging deep learning technique in some specific tasks of measurement are introduced. Furthermore, some potential and promising trends are provided for future investigation.

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