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轴向柱塞泵(马达)的缸体在泵中是在高速、高压下工作,承受着复杂的极高频率(与泵转速相同)的交变载荷,因此要求缸体具有较高的疲劳强度和良好的减摩性。缸体采用单一材质,是难以满足这些要求的。根据北京液压元件二厂引进西德海卓玛蒂克公司弯轴泵生产的需要,天津工程机械研究所与该厂配合进行了铸造双金属泵体的研制,经过三年多的试验研究,现已研制成功并已投入批量生产。
Axial piston pump (motor) of the cylinder in the pump is under high-speed, high pressure to withstand complex high frequency (with the same pump speed) alternating load, requiring the cylinder with high fatigue strength And good anti-friction sex. Cylinder with a single material is difficult to meet these requirements. According to the introduction of Beijing Hydraulic Components Factory West Germany Sea Zhuomadike curved shaft pump production needs, Tianjin Institute of Engineering Machinery with the plant for the development of cast bimetallic pump body, after more than three years of experimental study, and now Has been developed and has been put into mass production.