Evaluation of the Influence of Shaft Shape Errors on the Rotation Accuracy of Aerostatic Spindle-Part 1: Modeling

被引：2

作者：

Zhang, Guoqing ^{[1
,2
]}

Zheng, Jianming ^{[1
]}

Yu, Hechun ^{[2
]}

Chen, Ting ^{[1
]}

Zhang, Kai ^{[1
]}

Dou, Guozhu ^{[1
]}

机构：

[1] Xian Univ Technol, Sch Mech & Precis Instrument Engn, Xian 710048, Peoples R China

[2] Zhongyuan Univ Technol, Sch Mechatron Engn, Zhengzhou 451191, Peoples R China

来源：

ELECTRONICS | 2022年 / 11卷 / 09期

基金：

中国国家自然科学基金;

关键词：

aerostatic spindle; shaft shape errors; rotation accuracy; unbalanced air film force; air-bearing manufacturing; RUN-OUT CHARACTERISTICS; WAVE JOURNAL BEARING; MANUFACTURING ERRORS; COMPRESSIBLE LUBRICANT; PERFORMANCE ANALYSIS;

D O I：

10.3390/electronics11091304

中图分类号：

TP [自动化技术、计算机技术];

学科分类号：

0812 ;

摘要：

In the research on the aerostatic spindle, for quantifying the influence of shaft shape errors on its rotation accuracy, the calculation models of unbalanced air film force (UAFF) and centrifugal inertia force (CIF) are established. Based on the typical shape of the shaft, three composite cylinder models are constructed. The data sources are selected from the cylindricity measurement results of the shaft and substituted into the model for calculation. The results show that, for the shaft in this paper, when the roundness deviation is <= 1.25 mu m and the cylindricity deviation is <= 2 mu m, the influence of shape errors on the rotation accuracy of the shaft is small enough. The harmonic analysis of the data source shows that the magnitude and stability of the UAFF on the shaft are determined by the actual shape of the shaft's cylindrical surface, and cannot be inferred only by the value of shape errors.

引用

页数：16

共 28 条

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