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一、什么是故障树失效分析的目的,是通过对机械零件失效原因的分析,找到防止失效的设计、制造、使用、维护和材料选择等方面的措施,并提出改进建议,以提高产品质量及可靠性。任何一个机械零件失效分析的过程,都是因果关系的研究过程,即根据失效类型、失效方式和形貌特征,对可能导致失效的一些基本因素,如设计因素、服役条件、材料的成分、机械性能、金相组织等进行分析。这些因素是多方面的,它们之间有着错综复杂的关系。研究这些因素与失效之间的相关性,是失效分析的主要思路。
First, what is the purpose of the fault tree failure analysis is to find out the design, manufacture, use, maintenance and selection of materials and other measures to prevent failure by analyzing the causes of the failure of mechanical parts, and to propose improvements to improve product quality and reliability. The failure analysis process of any mechanical part is the research process of causation. According to the failure type, failure mode and topography, some basic factors that may lead to failure, such as design factors, service conditions, material composition, mechanical Performance, microstructure analysis. These factors are multifaceted and have a complex relationship between them. Studying the correlation between these factors and failure is the main idea of failure analysis.