文中首先引入了描述气动元件流量特性的ISO流量扩展式 ,并在此基础上提出了多个气动元件串联连接时流量特性的一种合成计算方法。以电磁换向阀、速度控制阀和消声器为研究对象 ,通过计算结果与实验结果的比较 ,证实了该方法的有效性和准确性 In this paper, the ISO flow expansion, which describes the flow characteristics of pneumatic components, is first introduced. Based on this, a synthetic calculation method for the flow characteristics when multiple pneumatic components are connected in series is proposed. The electromagnetic reversing valve, speed control valve and muffler are taken as the research object, and the comparison between the calculated result and the experimental result shows that the method is effective and accurate