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在工厂里经常会碰到机器出现故障,不能工作了,需停机检修;在严重时还可能发生重大事故,导致生命和财产的巨大损失。一台机器出现故障,很可能是机器中某个零件失效引起的,如轴的断裂、齿轮断齿等都可能造成严重的后果。为了防止类似事故的再次发生,就要对失效零件进行研究,找出失效的原因,提出防止失效的改进措施,这就是机械零件失效分析的主要任务
In the factory often encounter the machine fails, can not work, need to shut down for maintenance; in serious cases may also be a major accident, resulting in a huge loss of life and property. A machine failure, it is likely to be caused by the failure of a part of the machine, such as shaft rupture, gear broken teeth and so may have serious consequences. In order to prevent the recurrence of similar accidents, it is necessary to study the failure of parts to find out the reasons for the failure to improve measures to prevent failure, which is the main task of failure analysis of mechanical parts