The paper analyses the stress and relative motion of piston / cylinder and swash plate / slipper matching pairs in water hydraulic pisto n pump , based on which the proper experimental research method is determined 对水压柱塞泵柱塞、滑靴摩擦副的受力和相对运动形式进行了分析，确定了摩擦副合理的试验研究方法。
2.
Kinematics of the axial piston pump with swash plate yoke ' s angle were analysed . there was a lot of analysis about relative movement between piston and cylinder block , between piston and swash plate , between slipper and swash plate . at same time , the movement simulation curves were given 对轴向柱塞泵进行运动学分析，重点是对柱塞与缸体之间，柱塞与斜盘之间以及滑靴与斜盘之间的相对运动进行分析，并且分别给出了仿真曲线； 2
3.
Besides establishing the calculation formulas of the support force of the swash plate , the contact load and the friction force between piston and cylinder block , the interaction force between piston and slipper , and the heel over moment of slipper , the relation between each machinery parameter and all these forces were discussed . 3 分析了柱塞和滑靴的受力情况，并推导出斜盘支承反力，柱塞与缸孔间的正压力和摩擦力、以及柱塞与滑靴间的作用力和滑靴倾侧力矩的计算公式； 3
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