The invention discloses a thermoplastic composite T-shaped window frame structure and a compression molding process thereof, and relates to the technical field of composite structure manufacturing. A runway oval window frame is composed of a flange rib, a vertical flange and a base flange, the cross section of the runway oval window frame is of an inverted-T-shaped structure, and a window frame base body is formed by splicing a Z-shaped cross section pre-forming assembly located at the bottom, a first L-shaped cross section pre-forming assembly located at the top and a second L-shaped cross section pre-forming assembly located at the top. And a one-way prepreg layer is wound and laid in a splicing gap of the window frame base body to form a preformed body, and then the preformed body is subjected to hot-pressing curing forming. A thermoplastic composite material laminated flat plate is subjected to matrix type blanking and batch pressing to form a preformed split body with a Z-shaped section and two L-shaped sections, three preformed assemblies are annularly spliced and then spliced to form a window frame base body, meanwhile, annular reinforcement is conducted through prepreg, and finally hot-pressing curing forming is conducted, so that fiber wrinkles can be effectively reduced, and the window frame quality is improved. The overall strength of the window frame is guaranteed, and manufacturing difficulty and manufacturing cost are reduced.
一种热塑性复合材料T型窗框结构及其模压成型工艺,涉及复合材料结构制造技术领域。凸缘肋、垂直凸缘以及基部凸缘三部分组成跑道椭圆形窗框,截面为倒T型结构,由位于底部的一个Z型截面预成型组件以及位于顶部的Ⅰ号L型截面预成型组件和Ⅱ号L型截面预成型组件拼接成窗框基体,并在窗框基体的拼接间隙缠绕铺放单向预浸料铺层形成预成型体后通过热压固化成型。采用热塑性复合材料层压平板通过矩阵式下料并批量压制成一种Z型截面和两种L型截面的预成型分体,环向拼接成三种预成型组件后再拼接成窗框基体,同时通过预浸料环向加强,最后热压固化成型,能够有效减少纤维皱褶,保证窗框整体强度,降低了制造难度和制造成本。
Thermoplastic composite T-shaped window frame structure and compression molding process thereof
一种热塑性复合材料T型窗框结构及其模压成型工艺
2024-12-20
Patent
Electronic Resource
Chinese
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