絞り弁式油圧ならい機構の特性について (第2報)
制御弁流路特性の影響
1973 年 39 巻 461 号 p. 569-575
詳細
1973 年 39 巻 461 号 p. 569-575
On the hydraulic copying control device using the throttle valve, the effect of shapes and dimensions of the control ports on the working characteristics of the control device is examined quantitatively.
As a result, it has been shown that
(1) the response characteristics are uniquely determined by the momentum which is fed to the piston by the moving force due to the pressure drop in low-pressure chamber, regardless to the shape of the port or working condition; and
(2) in the case of the rectangular port, the optimum width of the port can be determined to obtain the most favourable response, and it depends closely on the dimensions of the control device and the working condition; and
(3) the indicial response of control device in the case of circular port is improved when the ports of throttle valve having larger radius are used, and the more the numbers of the ports are, the better the response of the device is.
