Weight analysis of the factors affecting friction performance of textured surface in rotary vane actuator end seal

Abstract

A contact model of asperities between polyurethane and metal was developed. The friction coefficient of the textured surface was solved by combining the virtual rough surface, the average Reynolds equation, and the point contact elastic deformation equation. An orthogonal test simulation was conducted to analyze the correlation between parameters and friction performance. The results show that the order of the influencing factors is: root mean square roughness > texture shape > area ratio > texture depth, of which root mean square roughness is a highly significant factor, and texture shape and area ratio are generally significant factors, and texture depth is an insignificant factor. This provides a reference for further optimizing the friction performance of the end seal.