Abrasion problem of centrifugal induced draught fan impeller is put forward.

提出了离心引风机叶轮磨损问题。

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Its welding feature and applicability to fan impeller welding is pointed out.

指出了其焊接特点及对风机叶轮焊接的适用性。

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Vibrating characteristic is analyzed on the axial fan impeller with the software ANSYS.

用ANSYS软件对轴流通风机叶轮的振动特性进行了分析。

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