基于四球试验的润滑油颗粒污染物对摩擦振动的诱导关系研究  

Research on the Friction Vibration Induced by Debris in Lubricant Based on Four-Ball Test

作　　者：盛晨兴 王会扬 潘小飞 

机构地区：[1]武汉理工大学船舶动力工程技术交通行业重点实验室,湖北武汉430063 [2]国家水运安全工程技术研究中心可靠性工程研究所,湖北武汉430063 [3]荆州市城乡规划局行政审批科,湖北荆州434000

出　　处：《润滑与密封》2017年第12期1-5,共5页Lubrication Engineering

基　　金：湖北省高端人才引领培养计划项目(鄂科技通[2012]86号);长江武汉航道局科技项目

摘　　要：润滑油中颗粒污染物会直接影响润滑油的润滑性能并加剧摩擦副的磨损,同时还会诱导摩擦副产生额外的振动,对机械设备的工作寿命和可靠性构成威胁。为研究颗粒污染物对摩擦振动的诱导关系,在四球式摩擦磨损试验机上,通过改变颗粒物材质、尺寸和含量,研究颗粒污染物诱导摩擦副产生的摩擦振动。结果表明,在一定硬度范围内,颗粒物材质硬度越低越容易诱导摩擦振动;在一定尺寸范围内,颗粒物尺寸越小越容易诱导摩擦振动;存在颗粒污染物含量临界值使摩擦振动最大,低于该临界值时摩擦振动减弱,高于该临界值时不会引起摩擦振动。Debris in lubricants affect the lubrication performance of lubricants directly, which causes the aggravated wear and extra vibration of the friction pairs, and puts a threat to lifespan and reliability of the equipment.To research the inductive relationship of debris to friction vibration, the friction vibration induced by debris in lubricants was studied on the four-ball tester by changing the material, size and concentration of the debris.Experimental results show that,within a cer- tain range, the smaller the hardness of debris is, the easier it is to induce the friction vibration. Smaller size of debris can induce friction vibration easily within the size range of debris used in the experiments.There is a critical value of debris concentration that can cause the biggest friction vibration, the friction vibration will decrease when the concentration Of debris is less than the critical value, and the friction vibration will disappear when the concentration of debris is higher than the critical value.

关 键 词：摩擦振动 诱导关系 四球试验 颗粒物 

分 类 号：TH117[机械工程—机械设计及理论]