Optical Non-contact Composite Measurement of Surface Defects of Hemispherical Shell

FANG Hai-yan;LIU Xiao-yong;LE Jing;GUO Jun-jie

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  • Sponsored by: China Association for Science and Technology (CAST)

    Editor-In-Chief: Xu Yida

    ISSN 1000-1093

    　

  • Hosted By: China Ordnance Society

    Published By: Acta Armamentarii

    CN 11-2176/TJ

Acta Armamentarii, a Chinese monthly journal, was first published in 1979. The journal is supervised by China Association for Science and Technology, sponsored by China Ordnance Society，and edited and published by Editorial Board of Acta Armamentarii. The Journal is included in all important domestic databases，and also collected by Engineering Index (EI, USA), Chemical Abstracts (CA, USA), Science Abstracts (SA, UK）, Abstract Journal (AJ, Russia), and Current Bibliography on Science and Technology(CBST).Acta Armamentarii has been selected into the journal Of Ordnance Science and Technology (Weapons Industry) Field Of High Quality Scientific and Technological Periodical Classification Catalogue (2022 edition), ranking T1, and the journal of Automotive Engineering Field of High Quality Scientific and technological Periodical classification Catalogue, ranking T2.
Acta Armamentarii ›› 2011, Vol. 32 ›› Issue (7) : 860-865. DOI: 10.3969/j.issn.1000-1093.2011.07.013
Paper

Optical Non-contact Composite Measurement of Surface Defects of Hemispherical Shell

  • FANG Hai-yan 1,LIU Xiao-yong2,LE Jing3, GUO Jun-jie4
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Abstract

To achieve high-precision and non-contact measurement of outer and inner surface defects on hemispherical shell, a optical composite measurement method was proposed on the basis of a new type of non-orthogonal coordinate measuring machine. It combined the laser probe’s point-scanning with the vision probe’s surface-scanning, and could measure not only the coverage and distribution of the surface defects, but also their depth/height. Actual measurement results show that the method is feasible, precise and efficient.

Key words

technology of instrument and meter / surface defect / non-contact measurement / hemispherical shell workpiece / defect identification

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FANG Hai-yan ,LIU Xiao-yong,LE Jing, GUO Jun-jie. Optical Non-contact Composite Measurement of Surface Defects of Hemispherical Shell. Acta Armamentarii. 2011, 32(7): 860-865 https://doi.org/10.3969/j.issn.1000-1093.2011.07.013

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