Performance of Single Stage Four Nozzles Pintle Type Hydraulic Servovalves
スポンサーリンク
概要
- 論文の詳細を見る
In this paper, the static characteristics of the four-nozzle pintle type servovalve are studies theoretically, under constant supply pressure and constant supply flow conditions.The study is on an eye to the effect of the valve improper configuration, the required pintle driving torque, and the effect of using unsymmetrical loads on the static characteristics.Errors in valve control gaps resulting from inaccurate initial adjustment, wear of else showed to affect slightly the load flow at each load pressure and input displacement.Units driven by unsymmetrical actuators showed to have lower valve flow forces and higher valve efficiency than symmetrical actuators.The minimum flow gain and flow pressure coefficient are obtained when the load is symmetric.The study showed that the flow forces have two instability sources, decentering nature and similar values at different input displacements.The study discussed the selection of the pintle centering spring to overcome the problems of instability.
- 一般社団法人日本機械学会の論文
- 1999-06-15
著者
-
Kanki Hiroshi
Graduate School Of Science And Technology Kobe University
-
Saad A.kassem
Department Of Mechanical Design And Production Engineering Faculty Of Engineering Cairo University
-
Kassem Saad
Department Of Mechanical Design And Production Engineering Faculty Of Engineering Cairo University
-
Mohamed A.ELGAMIL
Graduate School of Science and Technology, Kobe University
-
Mohamed A.elgamil
Graduate School Of Science And Technology Kobe University
-
Elgamil Mohamed
Graduate School of Science and Technology, Kobe University