某航空整体叶轮高效数控加工关键技术研究

摘要

整体叶轮是航空发动机中的关键部件，其制造技术及加工精度直接影响航空发动机的性能。介绍了某航空整体叶轮的高效数控加工技术，包括采用五轴定位铣削进行流道的加工、使用“SWARF精加工”策略、应用刀具的侧刃进行曲面加工等。经验证，采用该加工方案能有效提高叶轮的加工效率和质量，大大缩短零件的加工时间。同时介绍了整体叶轮的研究现状，新工艺方案的原理、特点、操作流程及核心技术等。%The integral impeller is a key component of aircraft engines, its manufacturing technology and precision directly affect the performance of aircraft engines.The efficient CNC machining technology for an integral aviation impeller was described, including five-axis positioning milling was used to process flow path,“SWARF finishing” strategy, and the side edge of the tool was used for sur-face processing.It is proved that this program can improve the processing efficiency and quality effectively, reduce the processing time greatly.The research status of the integral impeller, the principle, features, operating procedures and core technology of the new tech-nology program were introduced.