中文摘要：

利用Kirchhoff薄板挠度弯曲的规律，分析薄壁结构零件的铣削过程中的振动模型，并结合铣削试验建立薄壁零件立铣加工的振动模型。根据实际加工条件，对振动模型进行数值模拟，分析、验证模型在实际切削加工时的准确性，试验测量结果和数值模拟结果误差很小，说明该假设完全可行，可以用于相关薄壁零件的分析和实际加工，为进一步研究薄壁零件加工振动规律奠定了必要的基础。

英文摘要：

The Kirchhoff＇s vibration theory of cantilevered thin-walled beam is applied to the milling of thin-walled components and is considered to agree with the principle of small deflection vibration. Based on the milling tests, the chatter model of end milling of thin-walled components is built and the differential equation of chatter is derived also. The chatter model is simulated according to the practical cutting conditions. The measured results are in good agreement with the simulating results. The feasibility of this assumption is demonstrated. The results can be used in analyzing and milling of the correlated thin-walled components. All these work lays a reliable founda- tion to the further studies on the chatter rules of thin-walled components.