ベーン形空気圧リニアアクチュエータの試作

概要

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A specially constructed pneumatic actuator has been manufactured on a trial basis. This actuator is meritorious in that it does not have a rod such as an air cylinder and has a considerably long stroke. The principle of this actuator is similar in construction to air motors, and the driving object mounted on a vane moves along a grooved bench. The groove base is n the shape of a rack with wide pressure angles. The air pressure is supplied to the space which is composed of the vane and rack, and then the driving object is moved by vane-applied air pressure. The air leakage passing through the narrow slits of the actuator must be avoided to obtain good moving performance. This report has investigated both theoretically and experimentally the processing accuracy of the device to obtain excellent performance considering the air leakage from the narrow slits.
1988-11-25