High-speed measurement method for 2D surface roughness of aircraft conduit connector

Lei Liu; Xusheng Zhu; Qi Qin

doi:10.1117/12.3018672

30 April 2024 High-speed measurement method for 2D surface roughness of aircraft conduit connector

Lei Liu, Xusheng Zhu, Qi Qin

Proceedings Volume 13154, Sixth Conference on Frontiers in Optical Imaging and Technology: Novel Detector Technologies; 131540H (2024) https://doi.org/10.1117/12.3018672
Event: Sixth Conference on Frontiers in Optical Imaging Technology and Applications (FOI2023), 2023, Nanjing, JS, China

Abstract

Conduit connectors are widely used in the manufacturing of aviation equipment such as aircraft engines and aircraft assemblies. The surface roughness of conduit connector is a key quality characteristic to ensure the sealing connection of pipeline systems. Small deviations in the surface quality of conduits can lead to significant quality issues in aircraft, so high-precision measurement of micro roughness of conduit connector surfaces is of great significance for controlling aircraft quality and optimizing support manufacturing processes. Compared with contact measurement methods, optical measurement methods take an irreplaceable position in micro-nano scale roughness measurement which have many advantages such as non-destructive, high-precision and high-speed. An optical measurement method for surface roughness of aircraft conduit connector based on a triangular structured illumination system is proposed in this article, which combines high-precision fringe phase analysis algorithm and accurate height mapping algorithm to realize morphological restoration and the calculation of the roughness of the tested area. Relational experiment is carried out to verify the feasibility of the proposed method.

(2024) Published by SPIE. Downloading of the abstract is permitted for personal use only.

Citation Download Citation

Lei Liu, Xusheng Zhu, and Qi Qin "High-speed measurement method for 2D surface roughness of aircraft conduit connector", Proc. SPIE 13154, Sixth Conference on Frontiers in Optical Imaging and Technology: Novel Detector Technologies, 131540H (30 April 2024); https://doi.org/10.1117/12.3018672

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KEYWORDS

Surface roughness

Connectors

Photography

Fringe analysis

Projection systems

Deformation

Phase shifts

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