平箔片凹陷对止推箔片轴承性能影响试验研究

doi:10.3901/JME.2022.15.226

机械工程学报 ›› 2022, Vol. 58 ›› Issue (15): 226-232,242.doi: 10.3901/JME.2022.15.226

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平箔片凹陷对止推箔片轴承性能影响试验研究

邱烁现¹, 徐方程²

1. 大连理工大学机械工程学院大连 116024;
2. 大连理工大学工业装备智能控制与优化教育部重点实验室大连 116024

收稿日期:2021-08-21 修回日期:2022-03-27 出版日期:2022-08-05 发布日期:2022-10-13
通讯作者: 徐方程(通信作者),男,1985年出生,副教授。主要研究方向为气体箔片轴承、箔片密封、挤压油膜阻尼器、转子动力学。E-mail:fcxu@dlut.edu.cn
作者简介:邱烁现,男,1999年出生。研究方向为气体箔片轴承。E-mail:qsx2018@mail.dlut.edu.cn
基金资助:
国家自然科学基金资助项目（11702050）。

Experimental Study on the Effect of Top Foil Sagging on the Performance of Thrust Foil Bearing

QIU Shuoxian¹, XU Fangcheng²

1. School of Mechanical Engineering, Dalian University of Technology, Dalian 116024;
2. Key Laboratory of Intelligent Control and Optimization for Industrial Equipment (Dalian University of Technology), Ministry of Education, Dalian 116024

Received:2021-08-21 Revised:2022-03-27 Online:2022-08-05 Published:2022-10-13

摘要/Abstract

摘要： 针对平箔片凹陷效应对气体止推箔片轴承静态特性的影响，搭建了气体止推箔片轴承性能试验台，分别对平箔片厚度为0.10 mm，0.15 mm，0.20 mm和0.30 mm的止推箔片轴承进行了承载力、摩擦力矩和楔形区域平箔片变形量的测量。试验结果表明：在相同的载荷作用下，随着平箔片厚度的增加，其变形量减小，使得作用在平箔片上气膜压力分布更均匀，并且降低了轴承的摩擦力矩，但是在平箔片厚度达到0.2mm以上，其变形量不再明显减小，并且摩擦力矩有所上升，因此在工程应用中应当采用厚度为0.2 mm左右的平箔片。

关键词: 气体止推箔片轴承, 平箔片凹陷, 承载力, 摩擦力矩, 变形量

Abstract: The effect of top foil sagging on the static characteristics of gas thrust foil bearings is investigated.A gas thrust foil bearing test rig is built.Four top foils with different thicknesses of 0.10 mm, 0.15 mm, 0.20 mm, and 0.30 mm are selected, and bearing load capacity, friction torque and top foil deformation in taper area are measured.Test results showed that under the same external load, the top foil deformation decreases with increase of top foil thickness, which can make hydrodynamic pressure distribution on the top foil more uniform and reduce the friction torque of the bearing.However, when the thickness of top foil reaches more than 0.2 mm, the top deformation of taper area no longer decreases obviously and the friction torque increases.Therefore, it is inappropriate to use top foils with the thickness of about 0.20 mm in engineering application.

Key words: gas thrust foil bearing, top foil sagging, load capacity, friction torque, deformation

中图分类号:

V229
TH133

邱烁现, 徐方程. 平箔片凹陷对止推箔片轴承性能影响试验研究[J]. 机械工程学报, 2022, 58(15): 226-232,242.

QIU Shuoxian, XU Fangcheng. Experimental Study on the Effect of Top Foil Sagging on the Performance of Thrust Foil Bearing[J]. Journal of Mechanical Engineering, 2022, 58(15): 226-232,242.

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平箔片凹陷对止推箔片轴承性能影响试验研究

Experimental Study on the Effect of Top Foil Sagging on the Performance of Thrust Foil Bearing

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