航空叶片五轴加工方法及参数优化研究

Research on Five-axis Machining Method and Parameter Optimization of Aviation Blades

航空叶片具有曲率变化大、厚度薄等特点,其加工制造及后续维护成本较高。本文采用五轴数控加工刀轴姿态可变、精度高的方法优化加工参数,分析航空叶片五轴加工中的刀具选择、加工方式、刀具轨迹、刀轴控制方法和坐标变换等工艺,提出了航空叶片铣削参数优化的措施。

Aviation blade has the characteristics such as large curvature change and thin thickness,resulting in high processing,manufacturing,and maintenance costs.This paper optimizes the machining parameters of fiveaxis NC machining by utilizing variable tool axis attitude and high precision.Firstly,the classification of aviation blade structure is briefly introduced.Secondly,the tool selection,machining mode,tool trajectory,tool axis control method and coordinate transformation in five-axis machining of aviation blade are analyzed.Finally,optimization measures for the milling parameters of aviation blades are proposed to provide a reference for relevant workers.