1.南京航空航天大学 直升机传动技术重点实验室, 江苏 南京 210016
2.中国航发湖南动力机械研究所 传动系统研发中心, 湖南 株洲 412002
陆凤霞(1972— ),女,江苏南京人,博士,副教授;研究方向为机械传动的设计理论与技术。
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陆凤霞,赵志强,潘文斌等.一种考虑润滑效应的角接触球轴承接触刚度计算方法[J].机械传动,2021,45(09):97-104.
Lu Fengxia,Zhao Zhiqiang,Pan Wenbin,et al.A Calculation Method of Angular Contact Ball Bearing Contact Stiffness Considering Lubrication Effect[J].Journal of Mechanical Transmission,2021,45(09):97-104.
陆凤霞,赵志强,潘文斌等.一种考虑润滑效应的角接触球轴承接触刚度计算方法[J].机械传动,2021,45(09):97-104. DOI: 10.16578/j.issn.1004.2539.2021.09.015.
Lu Fengxia,Zhao Zhiqiang,Pan Wenbin,et al.A Calculation Method of Angular Contact Ball Bearing Contact Stiffness Considering Lubrication Effect[J].Journal of Mechanical Transmission,2021,45(09):97-104. DOI: 10.16578/j.issn.1004.2539.2021.09.015.
建立了润滑工况下的高速角接触球轴承动力学模型,在滚珠与内/外圈的接触变形和接触刚度计算中,考虑高速转动中润滑油卷吸作用和挤压效应的影响,通过接触角和接触刚度的耦合迭代,得到考虑润滑效应的高速角接触球轴承轴向及径向刚度计算方法。结果表明,考虑润滑效应后,滚珠与内/外圈的接触角减小,轴承轴向/径向刚度增大;轴向载荷增加使轴向/径向刚度增大,且轴向载荷愈低,滑油作用愈明显;径向载荷增加使轴向刚度增大,径向刚度减小;滚珠数增加使轴向/径向刚度增大,且滑油作用更明显;相较4019型,4106型润滑油使轴承轴向/径向刚度增大;陶瓷滚珠轴承轴向/径向刚度比钢滚珠轴承大,且与转速呈近似线性关系。
A dynamics model of high-speed angular contact ball bearings under the lubrication condition is established, in the calculation of contact deformation and contact stiffness between ball bearing and inner/outer ring, the influence of lubricating oil entrainment and squeeze during high-speed rotation is considered. Through the coupling iteration of contact angle and contact stiffness, the calculation method of axial and radial stiffness of high-speed angular contact ball bearings considering lubrication effect is obtained. The results show that after considering the lubrication effect, the contact angle between the ball and the inner/outer ring decreases, and the axial/radial stiffness of the bearing increases. The increase in the axial load increases the axial/radial stiffness, and the lower the axial load, the more obvious the effect of lubricating oil. The increase in the radial load makes the axial stiffness increase and the radial stiffness decrease. As the number of rollers increases,the axial/radial stiffness increases,and the effect of lubricating oil is more obvious; Compared with 4019 lubricant, 4106 lubricant increases bearing axial/radial stiffness. The axial/radial stiffness of ceramic ball bearings is greater than steel ball bearings, and has an approximately linear relationship with the speed.
角接触球轴承润滑摩擦副接触刚度动力学
Angular contact ball bearingLubricationFriction pairContact stiffnessDynamics
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