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前言 76年2月,由广州机床所、桂林液压件厂、无锡机床厂、天津消防器材厂、沈阳机电设计研究院、沈阳机电学院等单位共同组成的电液比例复合阀联合设计组,对电液比例复合阀进行了一系列设计。同年10月,我们完成了φ25通径比例阀的试制工作及配套电控制器的设计试制工作,并在P=320公斤/厘米~2 Q=250公斤/分的试验台上对第一批阀进行了调正和机能实验。77年3月在一机部召开的比例阀协调会议上,与一些兄弟单位交流了研制这种阀的体
Foreword February 76, by the Guangzhou Machine Tool Plant, Guilin Hydraulic Factory, Wuxi Machine Tool Plant, Tianjin Fire Equipment Factory, Shenyang Institute of Electrical and Mechanical Design, Shenyang Institute of Mechanical and Electrical and other units composed of electro-hydraulic proportional valve joint design team, Liquid ratio composite valve was a series of design. In October of the same year, we completed the trial production of the φ25 diameter proportional valve and the design trial of the electric controller. The first batch of valves was tested on the test bench of P = 320 kg / cm ~ 2 Q = 250 kg / min Tweaked and functional experiments were conducted. In March 77, at the Coordination Meeting of Proportional Valves held by a machine department, the body that developed such a valve was exchanged with some fraternal units