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溢流阀卸荷回路压力回升滞后的原因用于卸荷的溢流阀均为先导式溢流阀。各种先导式溢流阀用于卸荷时,均产生压力回升滞后。我们对秦川机床厂1977年生产的Y1-10B 型溢流阀卸荷与调压的动态特性,分别在实验台与现场作了实测。实测的系统原理图如图1所示。图2为测试曲线。图3为Y1-10B 溢流阀的结构图。
Relief valve unloading circuit pressure rise lag reason for unloading relief valve are pilot-operated relief valve. Various pilot relief valve for unloading, have a pressure rise lag. We Qinchuan Machine Tool Plant produced in 1977, Y1-10B relief valve relief valve and the dynamic characteristics of the regulator, respectively, in the experimental site and the site made a measured. The measured system schematic shown in Figure 1. Figure 2 for the test curve. Figure 3 Y1-10B relief valve structure.