目 录
1 绪论 ....................................................................................................................1
1.1 冲压的概念和特点........................................................................................1
1.2 冲压的设备 ..................................................................................................2
1.3 冲压技术的现状 ...........................................................................................3
1.4 冲压技术的发展方向 ....................................................................................4
1.5 本文主要研究内容........................................................................................5
2 制件的结构及工艺分析 ....................................................................................6
2.1 工件的工艺分析 ...........................................................................................6
2.2 工件方案选择...............................................................................................6
3 模具的工艺计算 ................................................................................................9
3.1 毛坯展开尺寸计算........................................................................................9
3.2 排样设计 ...................................................................................................10
3.3 冲裁力及弯曲力的计算...............................................................................13
3.4 弹簧原件的选用和计算...............................................................................15
3.5 模具的压力中心计算 ..................................................................................16
3.6 凸凹模刃口尺寸计算 ..................................................................................17
4 模具主要零部件的结构设计 ..........................................................................23
4.1 凹模的结构设计 .........................................................................................23
4.2 凸模的结构设计 .........................................................................................24
4.3 卸料零件的设计 .........................................................................................26
4.4 导向方式的选择 .........................................................................................27
4.5 垫板、固定板的采用和厚度 ........................................................................27
4.6 模具的闭合高度的确定...............................................................................27
4.7 辅助零件的设计 .........................................................................................28
4.8 上下模座的选用 .........................................................................................29
4.9 模柄的选用 ................................................................................................29
5 冲压设备的选用 ..............................................................................................30
6 模具材料的选择和加工 ..................................................................................31
