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根据水轮机运行资料分析,认为剪断销的剪断绝大多数是非正常剪断,属疲劳破坏。剪断销应按疲劳强度设计并考虑在不停机条件下可以更换。
According to turbine running data analysis, that the vast majority of shear pin cut is abnormal, is a fatigue damage. The shear pins should be designed to fatigue strength and be considered replaceable without stopping the machine.