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Proceedings Paper

Optical integrated testing instrument for pipe interior-parameter measurement and inspection
Author(s): Jian Zhang; Bo Liu; Liying Wu; Liankui Sun; Hai Gong
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Paper Abstract

An instrument for fine-machined pipe (longer than 10 m) inspection and measurement is introduced in this paper. The non-contact interior wall roughness measurement system based on light reflecting and scattering theory has a wide range (Ra from 0.012 micrometer to 4 micrometer) and is suitable for different types of machined surface measurements. The interior diameter is measured by a pair of gratings which produce Moire fringes. The accuracy of which is better than 5 micrometer for a pipe diameter greater than 100 mm. A CCD video camera inspection system is also installed on the measuring head to check the interior wall quality.

Paper Details

Date Published: 19 January 1996
PDF: 6 pages
Proc. SPIE 2599, Three-Dimensional and Unconventional Imaging for Industrial Inspection and Metrology, (19 January 1996); doi: 10.1117/12.230401
Show Author Affiliations
Jian Zhang, Harbin Univ. of Science and Technology (China)
Bo Liu, Harbin Univ. of Science and Technology (China)
Liying Wu, Harbin Univ. of Science and Technology (China)
Liankui Sun, Harbin Univ. of Science and Technology (China)
Hai Gong, Harbin Univ. of Science and Technology (China)


Published in SPIE Proceedings Vol. 2599:
Three-Dimensional and Unconventional Imaging for Industrial Inspection and Metrology
Michael R. Descour; Kevin G. Harding; Donald J. Svetkoff, Editor(s)

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