首先叙述了轴向柱塞泵的发展背景和研究意义，指出了摩擦副是制约轴向柱塞 泵发展的关键因素。概述了国内外关于轴向柱塞泵摩擦副的研究现状，总结了目前轴向 柱塞泵摩擦副研究存在的问题。介绍了液 － 磁复合支撑 ( HMCS) 的技术背景、原理、 发展概况以及在轴向柱塞泵中的应用前景，说明了该技术在柱塞泵中的成功应用能够解 决传统柱塞泵技术中难以克服的问题。最后对实现轴向柱塞泵液 － 磁复合支撑所需解决 的关键技术和研究难点进行了展望，总结了有助于攻克关键技术的相关研究成果。液 － 磁复合支撑对于轴向柱塞泵的高可靠性和低黏度介质的适用性拓展具有非常重要的理论 研究意义和实际应用价值。

Firstly，the development background and research significance of axial piston pump were described，and friction pair was pointed out as the key factor to restrict the development of axial piston pump． Then the research status of friction pair of axial piston pump at home and broad and the problems in current research were summarized． After that，the technical background，principle，development and application prospect of hydrodynamic-magnetic compound support ( HMCS) applied in axial piston pump was introduced． It was showed that the successful application of HMCS in axial piston pump can solve the difficult problems in traditional piston pump technology． Finally，the key technologies and research difficulties faced by the realization of the hydrodynamic-magnetic compound support were prospected，and the relevant research achievements that are helpful to conquer the key technologies were summarized． The hydrodynamic-magnetic compound support is of great theoretical significance and practical application value for the axial piston pump with high reliability and low viscosity medium using．