The effects of spindle vibration on surface generation in ultra-precision raster milling

被引：47

作者：

Zhang, S. J. ^{[1
]}

To, S. ^{[1
]}

机构：

[1] Hong Kong Polytech Univ, Dept Ind & Syst Engn, State Key Lab Ultra Precis Machining Technol, Kowloon, Hong Kong, Peoples R China

来源：

INTERNATIONAL JOURNAL OF MACHINE TOOLS & MANUFACTURE | 2013年 / 71卷

关键词：

Modeling; Spindle vibration; Surface generation; Ultra-precision raster milling;

D O I：

10.1016/j.ijmachtools.2013.04.005

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Spindle vibration has a significant influence on surface quality of ultra-precision-machined components. However, relatively few studies on the particular spindle vibration under the excitation of intermittent cutting forces in ultra-precision raster milling (UPRM) have been reported. In this study, a specialized model for an aerostatic bearing spindle under the impulsive excitation from intermittent cutting forces of UPRM is developed and its derived mathematical solutions reveal that the spindle vibration is impulsive response. The theoretical and experimental results signify that the impulsive spindle vibration produces inhomogeneous scallops forming ribbon-stripe patterns and irregular patterns like run-out on a surface of UPRM. The potential benefits for UPRM are the theoretical supports for optimization and prediction of surface generation through the optimal selection of spindle speed. (C) 2013 Elsevier Ltd. All rights reserved.

引用

页码：52 / 56

页数：5

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