基于CATIA高强钢板冲压回弹几何补偿系统的开发  

The Development of High Strength Steel Stamping Springback Geometry Compensation System based on CATIA

作　　者：孙世岩[1] 柳玉起[1] 李贵[1] 文伏灵[1] 

机构地区：[1]华中科技大学材料成形与模具技术国家重点实验室,武汉430074

出　　处：《精密成形工程》2013年第2期1-5,共5页Journal of Netshape Forming Engineering

基　　金：国家数控重大专项项目(2010ZX04014-072);中央高校基本科研业务费资助(2012QN044)

摘　　要：针对汽车高强钢板梁形零件的回弹变形规律,提出了一种基于UV线的几何旋转变形回弹补偿算法,并基于CATIAV5平台开发了高强钢板冲压回弹几何补偿系统CATIA-SGCS(CATIA Springback Geometry Compensation System)。该系统对成形件回弹的型面进行曲面重构,获得高质量的模具补偿型面,并与补偿前的型面参数化关联,保持原型面间的拓扑关系和曲面连续性;还针对回弹型面上的不同离散点回弹量不同的实际情况,在系统中定义了3种变形控制方法,使得模具补偿型面更加符合实际生产需求;通过具体的实例分析,验证了系统的可行性与有效性。Considering the springback characteristics of high-strength steel automotive beam parts, a geometrical rotation morphing springback compensation algorithm based on UV curves was developed, and based on CATIA V5 platform developed high strength steel stamping Springback Geometry Compensation System （CATIA-SGCS）. The system makes surface construction for springback surfaces of stamping part, to get high quality mould compensation surfaces, meanwhile update parameters of the surface before compensation, to keep topological relationship and continuity between surfaces, according to the actual situation that different discrete points on the sur- face usually have different springback quantity, the system defines three types of deformation control method, to make mould compensa- tion surface more in line with the actual production requirements. Finally through the concrete example analysis, the feasibility and va- lidity of the system were verified.

关 键 词：高强钢板 回弹补偿 CATIA-SGCS 曲面重构 参数化更新 

分 类 号：TG382[金属学及工艺—金属压力加工]