Research on oil film characteristics of variable displacement piston pump slipper pair

The displacement of the variable pump is changed by adjusting the inclination angle of the swash plate. The sliding shoe pair formed on the surface of the swash plate, as the friction pair with the most complex motion posture and force situation, has an important influence on the overall performance of the pump. This paper takes the sliding shoe pair of the variable piston pump as the research object, uses the matlab software to numerically simulate the variation law of the oil film thickness field, and builds the variable pump sliding shoe pair test bench. Full-cycle dynamic evaluation of the effect of dip angle changes on oil film properties.