Abstract Slipper socket is one of the m ost im portant friction pairs in water hydraulic piston pump．which endures the highest contact stress in the pump．Due to the bad lubricity of water，slipper socket of w ater hydraulic pum p always encounters serious tribology problem s．To ravel out this m atter ultimately，new structures of slipper socket were designed introducing hydrostatic bearing in the friction pair．which could increase hydrostatic action，while the contact area did not reduce at the same time．The new structures can cut down 30% of the contact stress between slipper socket pairs．Less abrasion dnd a long life-span can be obtained through the structure improvement of the water hydraulic piston pump．
YU Zu-Yao, LI Zhuang-Yun, YANG Shu-Dong, NIE Song-Lin, TANG Qun-Guo. The problems and im provem ent of slipper socket in a water hydraulic piston pum p. Chinese Journal of Engineering Design, 2002, 9(3): 116-118.
