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论文:2023,Vol:41,Issue(1):222-229 |
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引用本文： |
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于英华, 周乐, 阮文新, 徐平, 沈佳兴. 特形微织构多油楔滑动轴承特性分析及优化[J]. 西北工业大学学报 |
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YU Yinghua, ZHOU Le, RUAN Wenxin, XU Ping, SHEN Jiaxing. Characteristic analysis and optimization of special-shaped micro-textured multi-oil wedge sliding bearing[J]. Journal of Northwestern Polytechnical University |
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| 特形微织构多油楔滑动轴承特性分析及优化 |
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| 于英华, 周乐, 阮文新, 徐平, 沈佳兴 |
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| 辽宁工程技术大学 机械工程学院, 辽宁 阜新 123000 |
| 摘要: |
| 为深度挖掘微织构对提高多油楔滑动轴承多项性能的潜力,以某三油楔径向滑动轴承为研究原型,利用CFD方法对其承载压强、摩擦因数、温度进行仿真分析;依据原型轴承设计椭圆开口偏置类抛物线微织构(elliptic opening offset parabola micro texture,EOOPT)三油楔滑动轴承;采用响应面法分析EOOPT参数对轴承特性的影响规律,建立相应二次回归方程;对EOOPT进行多目标参数优化,得到最优EOOPT参数。结果表明:EOOPT参数对轴承平均承载压强和摩擦因数影响的大小顺序均为:短半轴>长半轴>深度>偏置量>织构均布角;而对平均温度影响的大小顺序为:深度>长半轴>织构均布角>偏置量>短半轴;与原型轴承相比,最优参数微织构轴承的平均承载压强提高13.7%,而摩擦因数和平均温度分别降低13.8%和8.3%。 |
| 关键词:
三油楔滑动轴承
椭圆开口偏置类抛物线微织构
承载压强
摩擦因数
温度
参数优化
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| Characteristic analysis and optimization of special-shaped micro-textured multi-oil wedge sliding bearing |
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| YU Yinghua, ZHOU Le, RUAN Wenxin, XU Ping, SHEN Jiaxing |
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| School of Mechanical Engineering, Liaoning Technical University, Fuxin 123000, China |
| Abstract: |
| In order to deeply explore the potentials of micro-texture on enhancing the performances of a multi-oil wedge sliding bearing, a three-oil-wedge radial sliding bearing is taken as the prototype to simulate its bearing pressure, friction coefficient and temperature with the CFD method. According to the prototype bearing, the elliptic opening offset parabola micro texture(EOOPT) is designed. The response surface method is used to analyze the influence of EOOPT parameters on characteristics of the three-oil-wedge radial sliding bearing, and its corresponding quadratic regression equations are established. The multi-objective optimization of EOOPT parameters is carried out to obtain the optimal EOOPT parameters. The simulation results show that the sequence of influences of EOOPT parameters on the average bearing pressure and friction coefficient of the radial sliding bearing is as follows: short half axis, semi-major axis, depth, offset, texture evenly distributed angle. The sequence of influence on average temperature is depth, semi-major axis, texture evenly distributed angle, offset, short half axis. Compared with the prototype bearing, the average bearing pressure of the optimal-parameter micro-texture bearing increases by 13.7%, while the friction coefficient and average temperature decrease by 13.8% and 8.3% respectively. |
| Key words:
three-oil-wedge radial sliding bearing
elliptic opening offset parabola micro texture
bearing pressure
friction coefficient
temperature
parameter optimization
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| 收稿日期: 2022-04-18
修回日期:
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| DOI: 10.1051/jnwpu/20234110222 |
| 基金项目: 辽宁省教育厅科学技术研究(重点攻关)项目(LJ2020ZD001)资助 |
| 通讯作者: 周乐(1998-),辽宁工程技术大学硕士研究生,主要从事先进制造系统与技术研究。e-mail:791357930@qq.com
Email：791357930@qq.com |
| 作者简介: 于英华(1965-),辽宁工程技术大学教授,主要从事机械设计及理论、先进制造系统与技术研究。
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| 于英华 在本刊中的所有文章 |
| 周乐 在本刊中的所有文章 |
| 阮文新 在本刊中的所有文章 |
| 徐平 在本刊中的所有文章 |
| 沈佳兴 在本刊中的所有文章 |
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