冲孔落料拉深复合模..doc
文本预览下载声明
学校代码：10410
序 号
本 科 毕 业 设 计
题目： 冲孔落料拉深复合模
学 院： 工 学 院
姓 名：
学 号：
专 业： 机械设计制造及其自动化
年 级： 机 制051
指导教师：
二OO九 年 五 月 目 录
前言 ·
1．设计课题·········································1
1．1 设计任务书···································2
2． 工艺方案分析及确定····························3
2．1 件的工艺分析··································3
2．2 工艺方案的确定·······························4
2.3 冲压件坯料尺寸的确定························4
2. 4 拉深次数的确定·····························4
2.5 排样的确定·····································5
3.工艺设计与计算··································7
3．1 冲裁的方式与冲压力的计算···················7
3.1.1、冲裁方式与冲压力的计算························7
3.1.2.力的计算·······································7
3.1.3、卸料力、推料力和顶件力的计算··················8
3.1.4、 压力中心的计算·······························9
3．2 计算各主要零件的尺寸·······················9
3.2.1、计算落料凸、凹模的工作部分的尺寸·············10
3.2.2、计算拉深凸、凹模的刃口尺寸的确定·············11
3.2.4、凸凹模选材，热处理及加工工艺过程·············11
3.2.5、条料宽度的设计·······························12
3.2.6、导料板的导料尺寸为···························14
3.2.7、推杆的选材，热处理工艺方案···················15
3.2.8、工艺方案如下·································15
3.2.9、模柄的确定···································15
3.2.10、冲压设备的选用······························16
3.2.11、模具的闭合高度的计算························16
3.2.12、冲模模架的选用······························16
3.2.13 导向零件的选择·····························17
3.2.14、定位零件的设计······························18
3.2.15、推杆与推板的设计····························18
3.2.16、压边圈的设计·······························24
3.2.17、固定方式的确定·····························24
3.2.18、凸模的固定·································24
3.2.19、凹模的固定································24
3.2.20、凸凹模的紧固·······························24
3.2.21、确定装配基准·······························24
结束语 ···········································23
参考文献 ·········································24
致谢········
显示全部