微量供油下的线接触副润滑增效分析
Analysis of Lubricating Efficiency Enhancement of Line Contact Pairs under Micro-oil Supply
李书义 1郭峰 2黄柏林 3金薇 2梁鹏2
作者信息
- 1. 青岛理工大学机械与汽车工程学院,青岛,266520;香港城市大学机械工程系,香港,999077
- 2. 青岛理工大学机械与汽车工程学院,青岛,266520
- 3. 香港城市大学机械工程系,香港,999077
- 折叠
摘要
实验发现亲/疏油交替供油的功能润湿表面能提高微量供油下有效润滑的成膜性能.基于此,建立了有限长滚子副润滑模型,分析了交替供油的亲/疏油带宽及工作参数对润滑性能的增强规律.研究发现,微量供油条件下可利用交替供油方式达到线接触副润滑增效的目的,但供油交替变换使接触区润滑性能不稳定,且润滑增效作用会受功能表面亲/疏油带宽和卷吸速度的影响.
Abstract
It was found that the surfaces of interlaced wettability could improve the effective lubri-cation film formation performance under micro-oil supply.Based on this,a lubrication model of finite length roller pairs was established.The influences of the parameters such as interlaced wettability and working condition on the functional surface in micro-oil supply were analyzed.The results show that under certain working conditions,the interval oil supply mode of trace lubricating oil may play a role in enhancing lubrication efficiency.Due to the existence state of alternating oil supply,the lubrication performance in contact zones is unstable.The effectiveness of lubrication enhancement is affected by hydrophilic/hydrophobic bandwidth of the functional surfaces and the entrainment speed.
关键词
线接触副/微量润滑/功能表面/供油Key words
line contact pair/micro-oil lubrication/function surface/oil supply引用本文复制引用
基金项目
国家自然科学基金(52175173)
国家自然科学基金(52005278)
山东省高等学校青创科技支持计划(2021KJ077)
出版年
2024
国家科技期刊平台
NSTL
万方数据