Reconstruction of three-dimensional turned shaft surfaces with fractal functions

被引：16
|
作者：
Thielen, Stefan [1 ]
Magyar, Balazs [1 ]
Piros, Attila [2 ]
机构：
[1] Univ Kaiserslautern, Inst Machine Element Gears & Transmiss, Gottlieb Daimler Str 42, D-67663 Kaiserslautern, Germany
[2] Budapest Univ Technol & Econ, Dept Machine & Prod Design, M Uegyet Rkp 3, H-1111 Budapest, Hungary
来源：
TRIBOLOGY INTERNATIONAL | 2016年 / 95卷
关键词：
Roughness; Structure; Fractal; Machining; ROUGHNESS; GENERATION;
D O I：
10.1016/j.triboint.2015.11.028
中图分类号：
TH [机械、仪表工业];
学科分类号：
0802 ;
摘要：
A method for the reconstruction of turned shaft surfaces with a (fractal) Weierstrass-Mandelbrot-function (WMF) is presented. The WMF is modified to allow to freely choose a phase-shift for every frequency. The reconstruction is based on distinct profiles in axial and tangential direction and the statistical distribution of low-wavelength portions of the surface is taken into account by adding t-distributed random deviations to the surface. The work is validated by reconstructing measured shaft surfaces with different manufacturing parameters, which shows good accuracy for periodic surfaces. This method allows for a characterization of surfaces with a limited number of parameters and can be used to store the characteristics of measured surfaces with a reduced amount of data compared to a point-cloud surface. (C) 2015 Elsevier Ltd. All rights reserved.
引用
收藏
页码：349 / 357
页数：9
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