Rapid non-contact visual measurement method for key dimensions of revolving workpieces

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Rapid non-contact visual measurement method for key dimensions of revolving workpieces

Authors
  • Gao, Peipei
  • Liu, Feng
  • Sun, Xizhi
  • Wang, Fang
  • Li, Jiajun
Type
Published Article
Journal
International Journal of Metrology and Quality Engineering
Publisher
EDP Sciences
Publication Date
May 06, 2021
Volume
12
Identifiers
DOI: 10.1051/ijmqe/2021008
Source
EDP Sciences
Keywords
Disciplines
  • Research Article
License
Green
External links

Abstract

Aimed at the rapid non-contact measurement problem of a revolving workpiece's radial and axial dimensions, a fast and high-precision visual inspection method has been presented in this paper. For the workpiece with large axial size, the proposed method established the measurement transformation chain using the object-image and object-object transformations, thus realizing the rapid axial dimensional measurements. For the workpiece with large radial size, this method determined the measurement transformation model based on two-dimensional target and measurement correspondence relationship, and further achieved rapid radial dimensional measurements. The experimental results have shown that the method is effective and can be applied to in situ dimensional measurement of revolving workpieces on high quality production lines.

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