Static and dynamic characteristics of hydrostatic guideway system based on electrorheological fluid
HU Jun-ping1, LIU Cheng-pei1, Guo Yong2, Liang Xiang-jing1
1. College of Mechanical and Electrical Engineering, Central South University, Changsha 410083;
2. School of electromechanical, Hunan University of Science and Technology, Xiangtan 411201
The static and dynamic characteristics of hydrostatic guideway based on lubricating medium of electrorheological fluid are studied. Computational fluid dynamics numerical model is established based on correlation parameters using hydraulic resistance network theory and considering influence of electric field intensity versus characteristics of electrorheological fluid. The static and dynamic characteristics of hydrostatic guideway based on electrorheological fluid under different working variables are studied using Fluent dynamic mesh technology according to perturbation theory. Research results show that: Static and dynamic characteristics of hydrostatic guideway system can be influenced by electric filed intensity, load factor and initial pressure ratio; The system flow rate will decrease, damping coefficient will increase while system stiffness will remain unchanged when the electric filed intensity is enhanced under the condition that initial design parameters and load factors are unchanged; Resonance phenomenon of the guideway system will be occurred when cutting force frequency is changed. Vibration under resonance phenomenon can be suppressed and dynamic stiffness will be increased significantly by enhancing electric filed intensity. The simulation results are in agreement with the experimental results, which provide a theoretical reference for the design and application of hydrostatic guideway.
胡均平1，刘成沛1，郭勇2，梁向京1. 电流变液静压导轨系统静动态特性研究[J]. 振动与冲击, 2016, 35(22): 24-30.
HU Jun-ping1, LIU Cheng-pei1, Guo Yong2, Liang Xiang-jing1. Static and dynamic characteristics of hydrostatic guideway system based on electrorheological fluid. JOURNAL OF VIBRATION AND SHOCK, 2016, 35(22): 24-30.
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