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液压缸活塞表面微织构动压润滑性能分析

余广 曾良才 毛阳 湛从昌 卢艳

余广, 曾良才, 毛阳, 湛从昌, 卢艳. 液压缸活塞表面微织构动压润滑性能分析[J]. 机械科学与技术, 2017, 36(12): 1823-1829. doi: 10.13433/j.cnki.1003-8728.2017.1204
引用本文: 余广, 曾良才, 毛阳, 湛从昌, 卢艳. 液压缸活塞表面微织构动压润滑性能分析[J]. 机械科学与技术, 2017, 36(12): 1823-1829. doi: 10.13433/j.cnki.1003-8728.2017.1204
Yu Guang, Zeng Liangcai, Mao Yang, Zhan Congchang, Lu Yan. Analysis on Hydrodynamic Lubrication Performance of Micro-texture on Hydraulic Cylinder Piston Surface[J]. Mechanical Science and Technology for Aerospace Engineering, 2017, 36(12): 1823-1829. doi: 10.13433/j.cnki.1003-8728.2017.1204
Citation: Yu Guang, Zeng Liangcai, Mao Yang, Zhan Congchang, Lu Yan. Analysis on Hydrodynamic Lubrication Performance of Micro-texture on Hydraulic Cylinder Piston Surface[J]. Mechanical Science and Technology for Aerospace Engineering, 2017, 36(12): 1823-1829. doi: 10.13433/j.cnki.1003-8728.2017.1204

液压缸活塞表面微织构动压润滑性能分析

doi: 10.13433/j.cnki.1003-8728.2017.1204
基金项目: 

国家自然科学基金项目(51475338)与国家青年科学基金项目(51405350)资助

详细信息
    作者简介:

    余广(1990-),硕士,研究方向为液压缸伺服控制,表面摩擦学,yg_wust@163.com

    通讯作者:

    曾良才(联系人),教授,zengliangcai@wus.edu.cn

Analysis on Hydrodynamic Lubrication Performance of Micro-texture on Hydraulic Cylinder Piston Surface

  • 摘要: 以织构化间隙密封液压缸为研究背景,利用平均雷诺方程对缸筒与活塞的配合处微织构流场进行数学建模,采用有限差分法对平均雷诺方程进行离散,分别对织构形貌为球缺面、圆柱面、圆锥面、抛物面、六面体和正方体进行数值模拟,获得最优微织构形貌,同时探讨了表面粗糙度,表面方向参数和面积占有率对表面摩擦因数的影响。结果表明:六种不同形貌的微织构均能在活塞表面产生动压润滑效果,圆柱形微织构表面动压润滑性能最好;粗糙表面的粗糙峰在运动过程中能够形成动压承载力,圆柱形表面的摩擦因数随粗糙度的增加而增加,微织构的摩擦因数随表面方向参数的增加而减小,随着面积占有率的增加而减小。
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出版历程
  • 收稿日期:  2016-06-20
  • 刊出日期:  2017-12-15

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