Machining error decomposition and compensation of complicated surfaces by EMD method

被引：23

作者：

Chen, Yueping ^{[1
]}

Tang, Hui ^{[1
]}

Tang, Qingchun ^{[1
]}

Zhang, Anshe ^{[1
]}

Chen, Dawei ^{[1
]}

Li, Kehui ^{[1
]}

机构：

[1] Guangxi Univ Sci & Technol, Sch Mech Engn, Liuzhou, Guangxi Provinc, Peoples R China

来源：

MEASUREMENT | 2018年 / 116卷

关键词：

Surface parts; empirical mode decomposition (EMD); Machining errors; Error compensation; EMPIRICAL MODE DECOMPOSITION; FAULT-DIAGNOSIS; SPECTRUM;

D O I：

10.1016/j.measurement.2017.11.027

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Complex surface parts are widely used in aerospace, automotive, and precision molds. Modern manufacturing aims to improve the machining accuracy and efficiency of these parts. The machining accuracy of surface parts can be significantly improved using a series of error compensation technologies to compensate for machining errors. Based on the analysis of the measurement data of the parts, empirical mode decomposition (EMD) method is used to decompose the machining errors into systematic and random errors, which are used to modify the numerical control (NC) codes to compensate for the systematic errors of the surface parts. An example of a complicated surface part proves that the method proposed in the current study can effectively improve the machining accuracy of surface parts.

引用

页码：341 / 349

页数：9

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