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The optimization of texture parameters is of great significance to promote the tribological characteristics of a lubricating film. In this article, the mathematical model of a lubricating oil film on a textured surface considering cavitation is established and verified by wear experiments at different rotation speeds and loads. The influence of chevron texture parameters including opening angle, depth, width, and area proportion on the tribological performance of the lubricating film are investigated. The results show that the chevron texture design parameters that affect the tribological characteristics of the lubricating film are opening angle, width, area proportion, and depth. The influence of the opening angle of chevron texture on the tribological performance of the oil film mainly depends on the load-carrying capacity; meanwhile, the other parameters are affected by the viscous drag and the load-carrying capacity of oil film. The tribological characteristics of the chevron texture could be improved through the design and optimization of parameters.

Investigation on Tribological Performance of Lubricating Film with Chevron Texture