...Fugang Zhai; Shengnan Li; Yangtao Xing Purpose This paper aims to study the motion trajectory of the oil seal for shaft in eccentric state and derive equation of lip motion trajectory. Design/methodology/approach This paper analyzes the force during the motion of the eccentric lip...

...Fuying Zhang; Yuanhao Zhang Purpose This paper aims to study the effect of isosceles triangle micro concave texture with different parameters on the performance of oil seal to obtain a reasonable combination of parameters. Design/methodology/approach Based on the theory of elastohydrodynamic...

...Fuying Zhang; Yuanhao Zhang Purpose The purpose of this paper is to study the pumping efficiency of oil seals with different surface textures at different speeds, and the influence of the rotation direction of triangular texture on the sealing performance was further analyzed. Design...

...Fuying Zhang; Junmei Yang; Haoche Shui; Chengcheng Dong Purpose This paper aims to obtain the film thickness, friction torque and pumping rate and analyze the effects of roughness and surface micro-dimple texture (circular, square and equilateral triangle) on the performance of the oil seal...