Evaluating the anisotropy of 3D rough surface based on angular spectral moment

Chenggui Li

doi:10.1117/12.521369

2 September 2003 Evaluating the anisotropy of 3D rough surface based on angular spectral moment

Chenggui Li

Proceedings Volume 5253, Fifth International Symposium on Instrumentation and Control Technology; (2003) https://doi.org/10.1117/12.521369
Event: Fifth International Symposium on Instrumentation and Control Technology, 2003, Beijing, China

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.

Citation Download Citation

Chenggui Li "Evaluating the anisotropy of 3D rough surface based on angular spectral moment", Proc. SPIE 5253, Fifth International Symposium on Instrumentation and Control Technology, (2 September 2003); https://doi.org/10.1117/12.521369

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