【摘要】 某发电厂6号机组大修后带负荷过程中低压转子两侧3号和4号轴承的轴振出现周期性振动问题。通过相关试验及振动特征分析诊断出动静摩擦是引起该异常振动的原因,并论述了摩擦振动的机理特征。消除了机组的振动故障,保证了机组的安全运行。更多还原

【Abstract】 Cyclical vibration appear on both side of LP bearing No.3 and No.4 after the overhaul of A Power Plant Unit No.6.Through the relevant diagnostic tests and vibration characteristics,rub is the reasons for the cycle,and discusses the mechanism of rub and vibration characteristics.Vibration failure to eliminate of the units to ensure the safe operation of the units.更多还原