TRANSACTIONS OF THE JAPAN FLUID POWER SYSTEM SOCIETY
Online ISSN : 1349-7022
Print ISSN : 1880-3121
ISSN-L : 1349-7022
Paper
Simulation of Pneumatic Cylinder Drive Systems Including Pipes with Branches and Junctions (In a case of control a number of cylinders at a time)
Toshinori FUJITATakuma OKONOGIToshiharu KAGAWA
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JOURNAL FREE ACCESS

2018 Volume 49 Issue 2 Pages 35-41

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Abstract

Previously authors established the simulation method of a pneumatic drive system, where one solenoid valve drives one pneumatic cylinder. Nowadays, a computer simulation is available to choose pneumatic devices when designing a pneumatic drive system, and we can choose optima devices and get easily a desired response of a cylinder without technical knowledge. On the other hands, sometimes one solenoid valve drives some cylinders in a press machine or a lifting and lowering device. Then branches and junctions of pipe are necessary in a pneumatic drive system. However, not only influence of branches and junctions of pipe on a cylinder response, but also a method to build them to the simulation of a pneumatic cylinder drive system are not clear, though many researches on flow of a branch and a junction of pipe and its pressure loss coefficient have been conducted.

In this paper, the simulation method where one solenoid valve drives a number of cylinders at a time is developed. It is found that the influence of branches and junctions of pipe on a cylinder response is little except pipe length is very short by the developed simulation. The simulation results are in close agreement with the experimental results, and we show that developed simulation method is effective.

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© 2018 by The Japan Fluid Power System Society
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