前盖内板坯料预冲孔优化  

Optimizing Pre-Pierced Holes in Blank of Front Hut Inner for Drawing

作　　者：刘罡[1] 程迎潮[1] 江谷明[1] 李雪[1] 

机构地区：[1]上海大众汽车有限公司维修及模具制造科,上海201805

出　　处：《锻压装备与制造技术》2006年第4期67-69,共3页China Metalforming Equipment & Manufacturing Technology

摘　　要：分析了前盖内板冲压模具设计中坯料预冲孔数量及形状对拉深件质量的影响,将有限元模拟分析与模具调试相结合,得到了优化的预冲孔方案、缩短了模具制造周期。The effect of shape and number of pre-pierced holes in blank on forming quality of front hut inner has been discussed.Optimized solution has been obtained based upon FEM simulation and try out,resulting in reduction of die production cycle.

关 键 词：机械制造 预冲孔 前盖内板 模具调试 

分 类 号：TG386.2[金属学及工艺—金属压力加工]