• CN:11-2187/TH
  • ISSN:0577-6686

机械工程学报 ›› 2018, Vol. 54 ›› Issue (13): 142-152.doi: 10.3901/JME.2018.13.142

• 摩擦学 • 上一篇    下一篇

水压马达仿生非光滑表面配流副摩擦磨损研究

马浩1,2, 高殿荣1,2, 毋少峰1,2, 梁瑛娜1,2   

  1. 1. 燕山大学机械工程学院 秦皇岛 066004;
    2. 燕山大学河北省重型机械流体动力传输与控制重点实验室 秦皇岛 066004
  • 收稿日期:2017-07-19 修回日期:2018-02-03 出版日期:2018-07-05 发布日期:2018-07-05
  • 通讯作者: 高殿荣(通信作者),男,1962年出生,博士,教授,博士研究生导师。主要研究方向为新型液压系统的CFD、PIV。E-mail:gaodr@ysu.edu.cn
  • 作者简介:马浩,男,1990年出生。主要研究方向为仿生非光滑表面。E-mail:mahao713@163.com
  • 基金资助:
    河北省自然科学基金资助项目(E2015203006)。

Experimental Study on Friction-wear for Valve Plate with Bionic Non-smooth Surface of Hydraulic Motor

MA Hao1,2, GAO Dianrong1,2, WU Shaofeng1,2, LIANG Yingna1,2   

  1. 1. School of Mechanical Engineering, Yanshan University, Qinhuangdao 066004;
    2. Heibei Provincial Key Laboratory of Heavy Machinery Fluid Power Transmission and Control, Yanshan University, Qinhuangdao 066004
  • Received:2017-07-19 Revised:2018-02-03 Online:2018-07-05 Published:2018-07-05

摘要: 为探寻低速大扭矩水压马达仿生非光滑表面配流副摩擦磨损性能,采用精密加工技术在碳纤维增强PEEK试样表面加工出不同形状的仿生非光滑凹坑,与316L不锈钢形成摩擦副,利用MMD-5A多功能摩擦磨损试验机在海水润滑条件下,对其在不同面积占有率下的摩擦因数、磨损率等参数进行测试,考察其凹坑面积占有率对摩擦副摩擦磨损的影响,利用OLYMPUS OLS3100激光共焦显微镜对磨损表面进行分析。研究表明:在海水润滑条件下,下试样CF/PEEK在磨擦过程中主要发生了犁沟效应和磨粒磨损,仿生非光滑表面的凹坑可以有效存储磨粒,减轻磨粒磨损,进而起到减摩效果。面积占有率为15%的圆锥形凹坑仿生非光滑表面更利于存储磨屑,因而摩擦因数最低,减磨效果最好。

关键词: 低速大扭矩水压马达, 仿生非光滑表面, 摩擦学性能, 配流盘

Abstract: In order to explore the innovative mechanism of anti-wear for flow friction pair of low-speed and high-torque hydraulic motor, different types of bionic non-smooth units are processed on the surface of CF/PEEK specimen using precision machining technology. The friction coefficient and wear loss of friction pairs with 316L stainless steel are measured on MMD-5A multi-function friction and wear tester under different normal loads. The anti-wear of different types of bionic non-smooth surface is tested. The worn surface morphology is observed by OLS3100 laser confocal microscope. The results show that abrasive wear is the main form of smooth surface friction pair under seawater lubrication. Because pits can store seawater and wear debris which helps producing hydrodynamic lubrication and reducing abrasive wear, so the main wear form of non-smooth surface friction pairs is plowing effect. By analyzing the results found that only in the arrangement of proper pits and under the condition of the area of the appropriate share can reduce the wear is in the process of wear and tear. The effect on reducing resistance and anti-wear of friction pair with area share 15% Conical pit surface is more conducive to storage chip, thus degree minimum friction coefficient, wearing the best effect.

Key words: bionic non-smooth surface, low-speed and high-torque hydraulic motor, tribological performance, valve plate

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