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用液压驱动的双面、多面、中央立柱式组合机床,多刀架车床,以及部分组合机床自动线等,都具有多个进给油缸。如何在这些液压系统中防止干扰,从而实现多个进给油缸液压驱动的集中控制,这对于节省泵、马达、油箱,减少占地面积,简化液压系统,减少液压元件具有一定的意义。关于多缸液压系统防止干扰的问题,在《组合机床通讯》1976年第1期第69页图3中,
With hydraulic drive of the double-sided, multi-faceted, central column combination of machine tools, multi-turret lathe, as well as part of the combination of automatic machine tools, etc., have multiple feed cylinder. How to prevent interference in these hydraulic systems so as to realize hydraulic control of multiple feed cylinders in a centralized manner has significance for saving pumps, motors, fuel tanks, reducing floor space, simplifying hydraulic systems and reducing hydraulic components. With regard to the problem of preventing interference in a multi-cylinder hydraulic system, in Figure 3 of page 69 of “Combined Machine Tool Communication”, No. 1, 1976,