序 号：20245015本 科 毕 业 设 计 题目： 冲孔落料拉深复合模 学 院：工 学 院姓 名：黄学亮 学 号：20245015专 业：机械设计制造及其自动化年 级：机 制 051 指导老师： 吴彦红二 OO 九 年 五 月目录前言·1．设计课题·········································11．1 设计任务书···································22．工艺方案分析及确定····························32．1 件的工艺分析··································32．2 工艺方案的确定·······························42.3 冲压件坯料尺寸的确定························42. 4 拉深次数的确定·····························42.5 排样的确定·····································5··································73．1 冲裁的方式与冲压力的计算···················73.1.1、冲裁方式与冲压力的计算························7·······································73.1.3、卸料力、推料力和顶件力的计算··················83.1.4、 压力中心的计算·······························93．2 计算各主要零件的尺寸·······················93.2.1、计算落料凸、凹模的工作部分的尺寸·············103.2.2、计算拉深凸、凹模的刃口尺寸的确定·············113.2.4、凸凹模选材，热处理及加工工艺过程·············113.2.5、条料宽度的设计·······························123.2.6、导料板的导料尺寸为···························143.2.7、推杆的选材，热处理工艺方案···················153.2.8、工艺方案如下·································153.2.9、模柄的确定·················...
