控制加速度和减速度的传统方法有：换向阀切换时间迟延、液压缸缸内端位缓冲、电子控制流量阀和变量泵等。用比例方向阀和斜坡信号发生器可以提供很好的解决方案，这样就可以提高机器的循环速度并防止惯性冲击。工作特点:1.比例换向阀、比例减压阀、比例溢流阀的工作特点比例阀是一种按输入的电信号连续地、按比例地控制液压系统的液流方向、流量和压力的阀类。按用途和工作特点的不同，比例阀可分为比例换向阀、比例压力阀、比例流量阀和比例复合阀四类。根据本系统的功能要求，初选比例换向阀、比例减压阀和比例溢...

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