ディスクフラッパによる電気-空気圧オン-オフ弁の改善

概要

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In our previous paper, we proposed a new electropneumatic on-off valve with a disk flapper (a step-disk combining two semicircular disks with different diameters) driven by a pulse motor. Since the operating speed of the valve is so late, it has been desired that the valve switching time is shortened and the modulating frequency increased. Then, we reformed the nozzle geometry from one circular hole to series circular ones and made some improvements to lower the inertia of the disk flapper. As a result, the switching time of this valve was shortened and nearly equal to the others reported before. Pressure-control and pressure-discharge characteristics are also measured. As an application of this valve, an electropneumatic servomechanism controlled by the PWM mode is constructed and its positioning accuracy and frequency response are experimentally measured.
社団法人日本機械学会の論文
1988-12-25