锻压技术

刚性模和柔性介质拉深成形工艺对GLARE层板筒型件成形极限及壁厚分布的影响规律

英文标题：Influence law of rigid die and flexible medium deep drawing process on forming limit and wall thickness distribution for GLARE laminate cylindrical parts

作者：门向南闫东东郎利辉张弛烨郭庆磊李磊

单位：成都飞机工业（集团）有限责任公司北京航空航天大学北京卫星环境工程研究所中国人民解放军93175部队

关键词：GLARE层板成形极限壁厚分布破裂形式柔性介质拉深成形

分类号：TB333

出版年,卷(期):页码：2022,47(8):53-59

摘要：

开展了刚性模和柔性介质拉深成形工艺对0°和45°方向纤维铺层方式的未固化GLARE层板筒型件的壁厚分布、成形极限及破裂形式的影响规律研究。结果表明，柔性介质拉深成形工艺较刚性模拉深成形工艺下未固化GLARE层板筒型件的最小壁厚增加了0.01 mm，壁厚分布更加均匀；采用柔性介质拉深成形GLARE层板筒型件时，沿0°方向纤维铺层较沿45°方向纤维铺层的成形极限深度提高了15.2%；此外，纤维铺层方向还影响着GLARE层板筒型件的破裂形式，筒型件的破裂位置与铺层方向一致。因此，采用柔性介质拉深成形工艺可制备更深的GLARE层板筒型件，同时结合不同结构的构件优化纤维的铺层方式，可提高构件的壁厚一致性，避免构件在成形过程中产生破裂缺陷。

The influence laws of rigid die and flexible medium deep drawing process on wall thickness distribution, forming limit and fracture mode for uncured GLARE laminate of cylindrical part with fiber layout modes along 0° and 45° directions were studied. The results show that compared with the rigid die deep drawing process, the minimum wall thickness of the uncured GLARE laminate of cylindrical part is increased by 0.01 mm, the wall thickness distribution is more uniform, and the forming limit depth of the GLARE laminate of cylindrical part with 0° direction fiber layout is 15.2% higher than that with 45° direction fiber layout in the flexible medium deep drawing process. In addition, the fiber layout direction also affects the fracture mode of GLARE laminate cylindrical part, and the fracture position of cylindrical part is consistent with the fiber layout direction. Therefore, the deeper GLARE laminate cylindrical part can be prepared by the flexible medium deep drawing process, and at the same time, the fiber layout mode can be optimized by combining optimized fiber layout mode for components with different structures to improve the wall thickness consistency of component and avoid the fracture defects in the forming process.

基金项目：

四川省科技计划项目（2019YFSY0034）

作者简介：门向南（1983-），男，硕士，高级工程师，E-mail：mxn19830726@163.com

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