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增材制造技术一直被定位在传统制造技术难以低成本、高效率完成的复杂结构制造[1]。目前航空领域中,增材制造技术主要是用来解决某些航空装备重点零部件生产研制瓶颈,而忽略了增材制造技术对实现航空装备轻量化的重大作用。在飞机设计和制造中,增材制造技术不仅可以使形状结构复杂的零组件整体成形以减少装配连接结构,而且还可以成形出更加合理的空前形状结构尺寸的飞机零组件,以达到充分实现飞机“宏观结构轻量化”的目的,特别是对飞机系统件的减重效果最为明显。飞机结构轻量化对提升飞机整体性能、减少飞机耗油量以及节约制造成本、减少排放污染等意义重大。同时增材制造技术在国内的成熟发展,将逐渐成为国内飞机设计理念革新的标志。
Additive manufacturing technology has been positioned in the traditional manufacturing technology is difficult to low-cost, highly efficient manufacturing of complex structures [1]. At present, in the field of aeronautics, additive manufacturing technology is mainly used to solve the bottleneck in the production of key spare parts for some aviation equipment, while neglecting the significant role of additive manufacturing technology in realizing the lightweighting of aviation equipment. In the design and manufacture of aircraft, additive manufacturing technology can not only shape the complex shape of the overall component to reduce the assembly of the connection structure, but also can shape a more reasonable size of the unprecedented shape and size of aircraft components in order to achieve the full realization of the aircraft “The purpose of lightweight structure of the macro ”, especially for the weight loss of aircraft system parts the most obvious effect. Lightweight aircraft structure to enhance the overall performance of the aircraft to reduce aircraft fuel consumption and save manufacturing costs, reduce emissions and other significant. At the same time by the additive manufacturing technology in the country’s mature development, will gradually become the symbol of domestic aircraft design innovation.