论文部分内容阅读
据华西都市报报道,国产大飞机C919首架机机头段昨日在成都成功下线。此前,前机身、中央翼和副翼此前分别在南昌和西安下线。整机有望在明年底上天试飞。据中航工业成飞民机负责人介绍,机头采用了大量的先进材料,如铝锂合金、钛合金等等,其中复合材料使用量达到20%。据悉,除了此次下线的机头段外,前机身、中央翼和副翼已分别在南昌和西安下线,其他机体部段也将在近期陆续下线和交付。首架试飞飞机计划下半年组装。
According to Huaxi Dushi Bao newspaper reported that the first domestic large aircraft C919 machine head yesterday successfully off the assembly line in Chengdu. Previously, the former fuselage, the central wing and ailerons were previously in Nanchang and Xi’an off the assembly line. The whole machine is expected to test the sky by the end of next year. According to the introduction of AVIC Chengfei Civil Aircraft, the nose adopts a large amount of advanced materials such as aluminum lithium alloy, titanium alloy and the like, of which the composite material usage reaches 20%. It is reported that, in addition to the first section off the assembly line, the former fuselage, the central wing and aileron have been in Nanchang and Xi’an off the assembly line, other body sections will also be completed in the near future and delivery. The first test aircraft to be assembled in the second half.