文档介绍:?????????题目: 消声器隔板的冲压工艺及模具设计院(部): 艺术学院专业: 环境艺术设计班级: 环艺 161 姓名: 学号: 201606101002 指导教师: 完成日期: 2020 年 6月 20日 I ????··································································Ⅲ ABSTRACT ····························································Ⅳ 1?? 课题的特点及研究意义··················································1 模具发展行业的研究现状·············································2 现有研究的不足及本文的研究内容········································3 ???????? 引言··································································4 冲压件工艺分析···················································5 冲压件的工艺方案的确定···························6 冲压件工艺计算············································7 修边余量的确定·