B柱加强板成形的有限元模拟

Finite Element Simulation of Forming of B-pillar Structural Reinforcement Panel

利用世界主流专用软件Dynaform对某汽车的B柱加强板进行几何模型的检查和修补、冲压方向确定、压料面设计、工艺补充面设计、坯料展开尺寸确定、拉深筋设置及拉深成形过程的数值模拟。根据模拟结果调整工艺参数,消除零件成形中的质量缺陷,提高了成形工艺可靠性,对B柱加强板拉深成形的工艺确定和模具设计提供了依据,并通过了实际生产的验证。

The inspection and repair of the geometric model,the determination of the drawing direction,the design of pressing surface and technological supplementing surface,the determination of the blank expansion size,the layout of the drawbeads,and the numerical simulation of the drawing process are made with the special software Dynaform.The processing parameters are adjusted and optimized according to the simulation results.The factors having influence on the product guality are removed,the stability of forming process is improved,and then the basis is provided for the defermination of the forming process of B-pillar structural reinforcement panel and its die design.And it is verified in the actual production.