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2013年12月31日,C919大型客机项目首架机头部件在中航工业成飞民机产业园3号厂房装配下线。中国商飞公司副总经理、C919项目总设计师吴光辉现场指导下线。C919飞机机头设计精度要求高,产品制造难度大,研制过程中攻克了天窗骨架零件数控加工、钛合金蒙皮零件成形等技术难题,优化了制造工艺,提高了产品控制精度.并顺利通过了局方全程的制造符合性检查。首架机头部件共包括54个模块,涉及408项零件,是用于C919飞机风
On December 31, 2013, the first head unit of the C919 large-scale passenger aircraft project was assembled and put on the assembly line No.3 of AVIC Industrial Park. China Commercial Aircraft Corporation Deputy General Manager, C919 project chief designer Wu Guanghui off-site guidance. C919 aircraft nose design requirements of high precision, product manufacturing is difficult, in the development process to overcome the sunroof skeleton parts CNC machining, titanium alloy skin parts forming and other technical problems, optimizing the manufacturing process and improve product control accuracy. And successfully passed the Bureau of the entire manufacturing compliance check. The first nosepiece consisted of 54 modules covering 408 items and was used for C919 aircraft wind