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Proceedings Paper

Evaluating the anisotropy of 3D rough surface based on angular spectral moment
Author(s): Chenggui Li
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Paper Abstract

The analyses of two-dimensional power spectrums of engineering surfaces are effective and valuable for 3D surface characterization. The past theoretical analyses and experimental results have proved that the areal Fourier spectrum analysis and spectral moments can be both used to describe the surface texture, especially for the directionality of surface. In this paper, the computing procedures of angular spectrum and the second order spectral moment are first introduced, and the angular spectrum moment has been used to evaluate the anisotropy of 3D rough surface. Then by analyzing some typical samples machined by various techniques, such as fine faced-turned, precision ground, lapping, electric discharge machining etc., the paper investigates the directional differences on the surfaces by the angular spectral analysis techniques. And some relational issues about this aspect are also discussed.

Paper Details

Date Published: 2 September 2003
PDF: 4 pages
Proc. SPIE 5253, Fifth International Symposium on Instrumentation and Control Technology, (2 September 2003); doi: 10.1117/12.521369
Show Author Affiliations
Chenggui Li, Beijing Univ. of Aeronautics and Astronautics (China)

Published in SPIE Proceedings Vol. 5253:
Fifth International Symposium on Instrumentation and Control Technology
Guangjun Zhang; Huijie Zhao; Zhongyu Wang, Editor(s)

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