垂直安定面整流罩整体成型  

Integral Molding of Fairing in Front of Vertical Stability

作　　者：王焱 陈红红 WANG Yan;CHEN Honghong(Guizhou Aircaaft Co.Ltd.,Anshun 561018)

机构地区：[1]中航贵州飞机有限责任公司,安顺560108

出　　处：《纤维复合材料》2020年第4期92-94,91,共4页Fiber Composites

摘　　要：复合材料具有强度高、刚度好、性能可设计、抗疲劳性和耐腐蚀性好等优点,因此越来越广泛的应用于航空航天及其他技术领域,大大促进了飞机的轻量化、高性能化、结构功能一体化。复合材料大型化、整体化是复合材料发展的必然趋势,整体成型结构已成为挖掘复合材料结构效率,实现复合材料功能结构一体化及降低复合材料制造成本的大方向。复材整体化成型是将蒙皮和筋一同固化成为整体制件的工艺方法,此方法可大量减少紧固件的使用,从而亦可大幅度的减少结构质量,降低装配成本,进而降低制件总成本。此外,该技术涉及到铺层设计、模具设计、分离面设计等等方面,是一个立体的、综合性的关键技术研究方向。本文是以某型机的垂直安定面前整流罩作为研究对象,该制件内部空间狭小,并设有带板和隔板可操作性低。此次我们摒弃二次胶接,采用共固化的方式实现制件蒙皮与带板、隔板一体成型。并在此基础上简化生产工艺,提高制件结构可靠性,降低制造成本。此方法的优势在于只需一次固化过程,工艺经济性好;不需要装配组件间的协调,结构整体性好。但对工装的要求非常高,我们此次重点从工装设计入手,解决垂直安定面前整流罩整体成型脱模难、垂直安定面前整流罩顶部外形的控制及如何加压等问题。Composite materials have high strength、good stiffness、designable performance、good fatigue resistance and corrosion resistance,therefore,it is more and more widely used in aerospace and other technical fields,greatly promoted the aircraft’s lightweight、high performance、structural and functional integration.The upsizing and integration of composite materials is an inevitable trend of composite materials development,the overall molding structure has become the general direction for digging the efficiency of composite materials,achieving the integration of the functional structure of composite materials and reducing the manufacturing cost of composite materials.The integral molding of composite material is a process method of curing the skin and the rib together into an integral part,this method can greatly reduce the use of fasteners,thereby greatly reducing the quality of the structure,reducing the assembly costs,and thus reducing the total cost of the parts.In addition,the technology involves pavement design,mold design,separation surface design,etc.It is a three-dimensional,comprehensive key technology research direction.This article takes the fairing in front of a certain type of machine as the research object.The internal space of this part is narrow,and it is equipped with a plate and a partition,which is low in operability.This time we abandon the secondary cementation and use the co-curing method to realize the integral molding of the parts skin,belt plate and separator.And on this basis,simplify the production process,improve the structural reliability of parts,and reduce manufacturing costs.The advantage of this method is that it only needs one curing process and the process is economical.Does not require coordination between assembly components,structural integrity is good.However,the requirements for tooling are very high.This time we focus on the tooling design to solve the problems of difficulty in demolding the overall formation of the fairing in front of vertical stability,the control of

关 键 词：复合材料 整体成型 模具设计 

分 类 号：TB33[一般工业技术—材料科学与工程] V261[航空宇航科学与技术—航空宇航制造工程]