变厚度复合材料C型梁胶接固化成型技术改进及工艺优化  

Improvement and process optimization of C-beam bonding and curing molding technology of variable thickness composite materials

作　　者：曹涛 周盼 房晓斌 董嘉蕾 芦彬 CAO Tao;ZHOU Pan;FANG Xiaobin;DONG Jialei;LU Bin(AVIC Xi’an Aircraft Industry Group Comapny Co.,Ltd.,Xi’an 710089,China)

机构地区：[1]中航西安飞机工业集团股份有限公司,陕西西安710089

出　　处：《粘接》2024年第11期61-64,共4页Adhesion

摘　　要：复合材料C型梁是飞机机翼结构中的主承力零件,研究C型梁的高质量成型对于飞机制造具有重要意义。本文介绍了一种变厚度复合材料C型梁的研制成型方法,对C型梁的结构特点和成型难点进行了分析,具体介绍了零件成型的工艺方案和零件成型的质量。结果表明,采用阳模铺贴固化、预压实、压力垫辅助成型、牺牲层胶接共固化等成型工艺方案研制的复合材料C型梁,零件表面质量、内部质量、外形、随炉试板性能等方面均满足零件设计和装配要求。Composite C-beams are the main load-bearing components in aircraft wing structures,and it is of great significance to study the high-quality forming of C-beams for aircraft manufacturing.In this paper,the development and molding method of a variable thickness composite C-beam was introduced,the structural characteristics and molding difficulties of the C-beam were analyzed,and the process scheme of part forming and the quality of part forming were specified.The results showed that the composite material C-beam developed using molding processes such as convex mold placement and solidification,precompaction,pressure pad assisted molding,and sacrificial layer adhesive co-curing can meet the design and assembly requirements in terms of surface quality,internal quality,appearance,and furnace test plate performance of the parts.

关 键 词：复合材料 C型梁 牺牲层 压力垫 

分 类 号：TB332[一般工业技术—材料科学与工程] TQ050.43[化学工程]