深圳市创为实技术发展有限公司培训教材共44页Strongwish内部材料第1页旋转机械状态监测与故障诊断讲义陈国远深圳市创为实技术发展有限公司2005年8月深圳市创为实技术发展有限公司培训教材共44页Strongwish内部材料第2页目录第一章状态监测的基本知识........................................................4一、有关的名词和术语......................................................................41.振动的基本参量：幅值、周期（频率）和相位....................................42.通频振动、选频振动、工频振动............................................................63.径向振动、水平振动、垂直振动、轴向振动........................................64.同步振动、异步振动................................................................................75.谐波、次谐波、亚异步、超异步............................................................76.相对轴振动、绝对轴振动、轴承座振动................................................77.自由振动、受迫振动、自激振动、随机振动........................................78.高点和重点................................................................................................89.刚度、阻尼和临界阻尼............................................................................810.共振、临界转速、固有频率..................................................................911.分数谐波共振、高次谐波共振和参数激振..........................................912.涡动、正进动和反进动..........................................................................913.同相振动和反相振动............................................................................1014.轴振型和节点........................................................................................1015.转子挠曲................................................................................................1116.电气偏差、机械偏差、晃度................................................................1117.偏心和轴心位置....................................................................................1118.间隙电压、油膜压力............................................................................11二、传感器的基本知识....................................................................121.振动传感器............................................................................................122.电涡流振动位移传感器的工作原理....................................................133.电动力式振动速度传感器的工作原理................................................13⒋压电式加速度传感器的工作原理.........................................................14第二章状态监测常用图谱............................................................151．波德图.....................................................................................................152．极坐标图.................................................................................................163．频谱瀑布图.............................................................................................164．极联图.....................................................................................................175．轴心位置图.............................................................................................186．轴心轨迹图.............................................................................................187．振动趋势图.............................................
