Automated measuring system for straightness and flatness deviations of extended surfaces

A. Glubokov; S. Glubokova; I. Afonina; A. Zelensky; E. Semenishchev

doi:10.1117/12.2646259

19 December 2022 Automated measuring system for straightness and flatness deviations of extended surfaces

A. Glubokov, S. Glubokova, I. Afonina, A. Zelensky, E. Semenishchev

Proceedings Volume 12319, Optical Metrology and Inspection for Industrial Applications IX; 1231921 (2022) https://doi.org/10.1117/12.2646259
Event: SPIE/COS Photonics Asia, 2022, Online Only

Conference Poster

Abstract

The article developed an approach to improve the accuracy of measuring deviations from straightness and flatness of extended surfaces. One of the most accurate and productive methods for measuring deviations from straightness and flatness of extended surfaces is the step method using electronic levels. The main difficulty of the measurement lies in the correct positioning of the electronic level on the measured surface. Algorithms for processing the results of measurements assume the coincidence of the measured points during successive measurements. Otherwise, a significant methodological error is introduced. A technique for recognizing the position of the level on the measured surface is proposed based on the analysis of images obtained from video cameras. The advantage of the algorithm is its resistance to determining the position of the level, regardless of its orientation on the measured surface. Software has been developed to correct the position of the level on the measured surface. An algorithm for determining the adjacent plane based on the gradient descent method is proposed. The dependences of the methodological measurement error on the number of measured points and the accuracy of their determination are revealed.

Citation Download Citation

A. Glubokov, S. Glubokova, I. Afonina, A. Zelensky, and E. Semenishchev "Automated measuring system for straightness and flatness deviations of extended surfaces", Proc. SPIE 12319, Optical Metrology and Inspection for Industrial Applications IX, 1231921 (19 December 2022); https://doi.org/10.1117/12.2646259

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