The mathematical model of air cylinder and high-speed switch valve is built and also the pneumatic driving system mathematical model is given.
并建立了气缸和高速开关阀的数学模型，得出气动驱动系统的数学模型。
The pneumatic control system is designed to control either of two valves by using a panel mounted selector switch to choose the valve to be controlled.
气动控制系统采用一个控制面板，安装选择开关来选择所控制的阀门，实现对两个阀门的任何一个单独控制的功能。
Worm transmission, convenient to switch from manual to pneumatic mode, it is installed between operation organ and valve.
蜗杆传动，手动气动切换方便。安装地执行装置与阀门之间。
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