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。