Fault tree analysis of most common rolling bearing tribological failures

13th International Conference on Tribology

Vencl, Aleksandar^1 ; Gai, Vlada^1 ; Stojanovi, Blaa^2

University of Belgrade, Faculty of Mechanical Engineering, Kraljice Marije 16, Belgrade 35

11120, Serbia^1

University of Kragujevac, Faculty of Engineering, Sestre Janji 6, Kragujevac

34000, Serbia^2

关键词: Bearing failures;    Complex Processes;    Different mechanisms;    Fault tree analyses (FTA);    Fault tree diagrams;    Maintenance engineers;    Rolling bearings;    Surface fatigue wears;   

Others  :  https://iopscience.iop.org/article/10.1088/1757-899X/174/1/012048/pdf
DOI  :  10.1088/1757-899X/174/1/012048

来源: IOP

【 摘 要 】

Wear as a tribological process has a major influence on the reliability and life of rolling bearings. Field examinations of bearing failures due to wear indicate possible causes and point to the necessary measurements for wear reduction or elimination. Wear itself is a very complex process initiated by the action of different mechanisms, and can be manifested by different wear types which are often related. However, the dominant type of wear can be approximately determined. The paper presents the classification of most common bearing damages according to the dominant wear type, i.e. abrasive wear, adhesive wear, surface fatigue wear, erosive wear, fretting wear and corrosive wear. The wear types are correlated with the terms used in ISO 15243 standard. Each wear type is illustrated with an appropriate photograph, and for each wear type, appropriate description of causes and manifestations is presented. Possible causes of rolling bearing failure are used for the fault tree analysis (FTA). It was performed to determine the root causes for bearing failures. The constructed fault tree diagram for rolling bearing failure can be useful tool for maintenance engineers.