恒定轨迹挤压油膜实验台设计

滑动轴承在动载工作条件下运行时,承载油膜受到轴承挤压和旋转剪切两种运动作用.其中挤压运动反映轴承在变载荷条件下,承载油膜抵抗拉应力的能力.平行平板动载挤压油膜实验就是研究动载油膜分布机理的一种简化方法.为完善前人工作的不足之处,搭建自制的恒轨迹挤压油膜实验台,以便于模拟滑动轴承的动载工况,对动载油膜空穴的本质进行更深入的研究.

The Equipment design of Oscillatory Squeeze Film with Invariable Displacement

The oil film of sliding bearing was squeezed and sheared in the dynamic load conditions. And the squeezing movement reflected the ability of oil to resist the tensile stress. The occurrence of time-dependent cavitation and the tensile stress in an oscillatory oil squeeze film were investigated experimentally for isolating the shearing movement and standing out the squeezing movement of journal bearing. In order to perfect the achievements of precursors , the oscillatory squeeze film equipment was designed to simulate the film of sliding bearing in the dynamic load conditions and to lucubrate the essence of film in the dynamic load conditions.