Two-position three-way valve controls the reversing circuit of single-acting cylinder
Published: 2013-11-30 13:35:43 Views: 584 Source: Wuxi Huatong Pneumatic
二位三通阀控制单作用气缸的换向回路
图a 只用一个二位三通阀,当有控制信号时,活塞杆伸出,无控制信号时,活塞杆在弹簧力作用下退回。在图b中,串联一个二位三通阀,可以使气缸在行程途中任意位置停止。即有信号b则活塞停止运动,消除信号b,则活塞继续运动。但因气体的可压缩性,其停止位置精度较低。

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