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1978年我所为了机床配套的需要,在广州机床研究所的协助下,共同研制了一台流量250l/min电液比例控制变量柱塞油泵。该泵是在CCY14—1型手动伺服操纵变量柱塞泵的基础上增设一个由广州机床研究所研制的BJ一H6B型比例式减压阀及一个操纵油缸来控制的。
In 1978, to meet the needs of the machine tool support, we jointly developed a electro-hydraulic proportional variable displacement piston pump with flow rate of 250 l / min with the help of Guangzhou Machine Tool Research Institute. The pump is CCY14-1-type manual servo manipulated variable piston pump based on the addition of a machine developed by the Institute of Guangzhou BJ-H6B-type proportional valve and a control cylinder to control.