Through analysing the trouble axial-flow type fan occurs for circling unbalance, this paper puts forward some effective methods to extend the using life of fan.
通过对轴流风机转动失衡故障原因的分析，提出了有效的处理方法，延长风机使用寿命。
Based on the interpolation-type static model, the realtime dynamic simulation model of the axial-flow fan is set up using the relevant laws and principles of funs.
在插值型静态模型的基础上，依据风机的有关定律和原理，建立了轴流风机的动态实时仿真模型。
FA series is a single-phase capacitor-start motor axial-flow type exhaust fan. FTA is a three-phase asynchronous motor axial-flow exhaust fan.
FA系列为单相电容运转电机轴流式排气风扇，FTA为三相异步电机轴流式排气电扇。
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