A novel modeling method to investigate the performance of aerostatic spindle considering the fluid-structure interaction

被引：27

作者：

Gao, Qiang ^{[1
]}

Lu, Lihua ^{[1
]}

Chen, Wanqun ^{[1
]}

Chen, Guoda ^{[2
]}

Wang, Guanglin ^{[1
]}

机构：

[1] Harbin Inst Technol, Sch Mechatron Engn, Harbin, Heilongjiang, Peoples R China

[2] Zhejiang Univ Technol, Minist Educ & Zhejiang Prov, Key Lab E&M, Hangzhou, Zhejiang, Peoples R China

来源：

TRIBOLOGY INTERNATIONAL | 2017年 / 115卷

基金：

对外科技合作项目（国际科技项目）; 中国国家自然科学基金;

关键词：

Fluid-structure interaction; Aerostatic spindle; Air bearing; Air spindle analysis; JOURNAL BEARINGS; THRUST BEARING; DESIGN;

D O I：

10.1016/j.triboint.2017.06.016

中图分类号：

TH [机械、仪表工业];

学科分类号：

0802 ;

摘要：

The performances of aerostatic spindle are highly affected by the fluid-structure interaction (FSI) between air film and solid structure. This paper proposes a novel modeling method to investigate the FSI of aerostatic spindle system, by which the structure deformation included by air film force can be acquired. Furthermore, a virtual weight loading method is proposed to estimate the stiffness of spindle with consideration of structure deformation and gravitational eccentricity. The reliability of the proposed method is verified by experiments. Based on the proposed FSI model, the influences of air film geometrical parameters and structure dimension on the performance of aerostatic spindle are further investigated and discussed to guide the design of air spindle.

引用

页码：461 / 469

页数：9

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