中国C919国产大型客机机头样机正式曝光交付
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12月25日,参加交付仪式的嘉宾正在参观C919大型客机机头工程样机主体结构。 新华社记者 裴鑫摄
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本报讯 (记者
钟文)在继C919大型客机被选定为唯一的国外启动动力装置后,大飞机研制的关键项目之一——C919大型客机的机头工程样机主体结构,于昨日在上海正式交付,计划将在2010年转入系统安装调试。此举也标志我国大型科技项目C919的研制迈出重要步伐
据成飞工作人员介绍,该机头工程样机首次采用模块化定义规范开展全三维数字化设计和模块化管理,并采用了大量先进制造工艺和先进材料,其中主风挡窗框采用钛合金激光成型,这是大型科技项目在研制过程中取得的一项重要阶段性成果。
记者了解到,工程样机是飞机设计中总体、结构和系统各专业先进设计理念的检验平台,同时又是改进飞机设计的试验平台,主要用于驾驶舱和电子设备的布局协调、人机功能的检查、部分设备的功能验证试验等,同时也是把先进的信息化设计制造技术等运用到大型科技项目,体现先进性的试金石,是大飞机研制的关键项目之一。
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