矿用风机叶片的故障分析及模态参数的测试方法

Problem analysis and modality parameter test method for blades of ventilator for mine

分析了矿用风机叶片断裂的原因，提出了叶片模态参数的测试方法，并对一叶片进行了实测。

This paper analyses the breaking reason of mining fanner′ s blade,puts forward the measur ing method of blade′ s modal parameters,and measured the model parameters of a blade.