scholarly journals Erratum to : Characteristics of a Swash Plate Type Axial Piston Pump in Quasi-Zero Swash Plate Angle Regin

1990 ◽  
Vol 21 (7) ◽  
pp. 725c-725c
Keyword(s):  
Piston Pump ◽  
Axial Piston Pump ◽  
Swash Plate ◽  
Axial Piston ◽  
Plate Type

Lubrication characteristics of the slipper–swash-plate interface in a swash-plate-type axial piston pump

2020 ◽  
pp. 095440622093294
Author(s):  
Xiangxu Meng ◽  
Chang Ge ◽  
Hongxi Liang ◽  
Xiqun Lu ◽  
Xuan Ma
Keyword(s):  
Hydrodynamic Lubrication ◽  
Piston Pump ◽  
Axial Piston Pump ◽  
Plate Interface ◽  
Load Pressure ◽  
Swash Plate ◽  
Lubrication Performance ◽  
Lubrication Characteristics ◽  
Axial Piston ◽  
Plate Type

An analytical approach based on a hydrodynamic lubrication model is presented to understand the bearing capacity, leakage, and friction moment of the slipper–swash-plate interface in a swash-plate-type axial piston pump. Furthermore, how the shaft speed, load pressure, and slipper attitude influence the lubrication performance of the interface is analyzed. The research shows that the slipper attitude has a significant effect on the pressure distribution. To improve the lubrication performance, a grooved sealing-land design is proposed, and the location and geometric parameters of the groove are analyzed. The results indicate that the optimal lubrication performance is achieved when the groove is 2.0–3.0 mm wide and 5–20 µm deep at its inner boundary.

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