STUDY ON THE FRICTION FORCES IN A SPOOL - SLEEVE PAIR OF HYDRAULIC DIRECTIONAL CONTROL VALVE

被引：2
|
作者：
Siwulski, T. [1 ]
机构：
[1] Wroclaw Univ Sci & Technol, Fac Mech Engn, Lukasiewicza 5, PL-50371 Wroclaw, Poland
来源：
ENGINEERING MECHANICS 2018 PROCEEDINGS, VOL 24 | 2018年
关键词：
hydraulic directional control valve; spool loading forces; friction forces of spool-sleeve pair; FLOW FORCES;
D O I：
10.21495/91-8-761
中图分类号：
TH [机械、仪表工业];
学科分类号：
0802 ;
摘要：
The article presents test results of static friction forces acting on a spool of a hydraulic directional control valve loaded with axial forces and forces related to the liquid flow. The presented results indicate that it seems reasonable to include frictional forces dependent on the size of axial forces acting on a spool in the mathematical models describing spool movement in directional control valves. This type of dependence does not exist in the commonly used models describing the operational dynamics of the spool-sleeve pair, which may affect the achieved levels of compliance with test results.
引用
收藏
页码：761 / 764
页数：4
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