课程设计-外壳冲压工艺设计

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1、重庆科技学院设计说明书重庆科技学院课程设计报告院（系）:冶金与材料工程学院专业班级:材控2010-01班学生姓名:学号:设计地点（单位）__重庆科技学院E405室____设计题目:____外壳冲压工艺设计完成日期：2013年6月14日指导教师评语:_____________________________________________________________________________________________________________________________________________________

2、______________________________________________________________________________________________________-21-重庆科技学院设计说明书成绩（五级记分制）:________________指导教师（签字）:______________目录1.工艺性分析.................................................................................................3

3、1.1冲压工艺性分析及结论......................................................................32.工艺方案分析及选择.................................................................................42.1毛坯尺寸的计算.................................................................................42.2判

4、断拉深次数.....................................................................................43.工艺参数计算.............................................................................................53.1排样和材料利用率.....................................................................

5、........53.2第一次拉深高度计算及校核.............................................................53.3压力中心.............................................................................................63.4计算各工序力.............................................................................

6、........63.4.1落料力..............................................................................................63.4.2冲孔力..............................................................................................63.4.3拉深力..................................................

7、............................................73.4.4推件力..............................................................................................73.4.5卸料力..............................................................................................7-21-重庆科技学院设计说明书3.4.6压边

8、力........................................................................................