| Wang Xiaojing (王晓晶),Sun Yuwei,Shen Zhiqi.[J].高技术通讯(英文),2020,26(3):306~314 |
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| Research on oil film characteristics of piston pair in swash plate axial piston pump |
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| DOI：doi：10.3772/j.issn.1006-6748.2020.03.009 |
| 中文关键词: |
| 英文关键词: axial piston pump, piston pair, oil film characteristics, model pump, numerical analysis |
| 基金项目: |
| Author Name | Affiliation | | Wang Xiaojing (王晓晶) | (School of Mechanical and Power Engineering, Harbin University of Science and Technology, Harbin 150080, P.R.China) | | Sun Yuwei | (School of Mechanical and Power Engineering, Harbin University of Science and Technology, Harbin 150080, P.R.China) | | Shen Zhiqi | (School of Mechanical and Power Engineering, Harbin University of Science and Technology, Harbin 150080, P.R.China) |
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| 中文摘要: |
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| 英文摘要: |
| The research on the oil film characteristic of piston pair is beneficial to the design and optimization of friction pair, which can improve the performance of piston pump. The fluid pressure of piston cavity is accurately obtained by AMEsim simulation. Oil film thickness field model of piston pair under the slanting state of piston is established, and the distribution law is numerically analyzed under different speed and pressure by Matlab. The experiment model pump for oil film characteristic of piston pair is designed to measure oil film thickness under the pressure of 18MPa. The experiment results show that oil film thickness varies greatly under high pressure, and oil film thickness fluctuates sharply under low speed. The minimum oil film thickness increases with spindle speed increasing and oil film characteristic of piston pair based on the numerical analysis method is verified. This method lays a foundation for studying the friction performance of piston pair in the axial piston pump. |
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