4.2 Article

Influence of Texture Parameters on Lubrication Performance of Surface Textured Bearings

Journal

Publisher

CHINESE SOC MECHANICAL ENGINEERS

Keywords

journal bearing; micro textures; rotational speed; viscosity; friction characteristics

Funding

  1. Fundamental Research Funds for the Central Universities, China University of Petroleum [19CX02026A]
  2. Shandong Province Key Laboratory of Mine Mechanical Engineering, Shandong University of Science and Technology [2019KLMM208]
  3. Study Broad Fund - Shandong province government
  4. Shandong University of Science and Technology

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The study used simulation analysis and experiments to investigate the effects of viscosity and rotational speed on the friction coefficient of bearings, finding that higher viscosity lubricating oil and appropriate rotational speeds can improve lubrication performance.
As an important supporting part of rotating machinery, bearing is widely used in rotating machinery and equipment. In order to explore the influence of working conditions on the texture bearing, the simulation analysis and experiment are used. By three-dimensional micro-texture journal bearing model considering cavitation effect, the influence of rotational speed and viscosity on the oil film pressure, bearing capacity, friction coefficients of texture bearing is studied. Simulation results are verified by different working conditions in experiment. The results show that the higher the viscosity of lubricating oil is, the better the lubrication performance will be. As the rotational speed increases, the friction coefficient of the bearing first decreases and then increases.

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