大型航空薄壁零件精确绿色制造技术研究

Research on Precision and Greenhouse Manufacturing Technology for Large Aircraft Panels

大型复杂飞机外形薄壁壁板的传统工艺方法无法满足精确、高效制造和绿色制造的需求,针对工艺协调复杂、工艺流程冗长和加工范围受限等问题,对薄壁壁板零件的精确、绿色制造技术进行研究,结合有限元变形模拟分析,设计了集铣面、铣下陷、切通窗、切边和钻孔于一体的加工工艺,实现了壁板的高效化和集成化加工,促进了加工效率和加工质量的提升,并避免了传统加工的化学污染。通过对比分析精确绿色制造技术与传统加工工艺,确定了精确绿色制造技术的优势,该技术的成功应用提升了我国航空制造的整体实力。

In order to address the issue that large complex aircraft panels machining can＇t meet the demand for precision efficient machining and greenhouse machining,and the problem induced the complex process engineering and limited process scope,the precision machining and greenhouse machining technology integrated with edge trimming,port opening,perforation and skin thickness precision machining is researched combined with the analysis of deformation,and then the efficient and integrated machining is achieved,the machining efficiency and quality is advanced,the chemical empoison is avoided. The research results showthat the advanced application of the precision and greenhouse manufacturing technology drives development of the aeronautical manufacturing technology compared the traditional skin machining system with it.