本书介绍了冲压成形工艺的基本知识和冲压模具的设计方法，并以国产冲压模具智能设计系统 SIS-V 2.0 软件和冲压成形仿真系统 FASTAMP-NX 软件为基础，详细介绍了拉延模具的数字化设计流程。 本书共分 7 个项目，主要内容有认识冲压模具、冲裁工艺与冲裁模设计、弯曲工艺与弯曲模设计、拉深工艺与拉深模设计、成形工艺与成形模设计、多工位级进冲压工艺与级进模设计、冲压模具（拉延模具）数字化设计。本书在内容上贯彻理论与实践相结合的原则，用项目化编写方式代替了传统的章节编写方式，将每个项目分为若干任务，以任务引领教学内容。 本书可作为高等职业院校模具设计与制造专业及机械类专业群各专业学生的教材，也可供从事模具设计的工程技术人员参考。同时，本书还可以作为高等职业院校学生参加"拉延模具数字化设计”职业技能等级考核的参考书。

张信群，男，现担任滁州职业技术学院机械与汽车工程学院院长一职，三级教授，安徽省高职"模具设计与制造专业”省级专业带头人，有多年模具专业的教学经验和教材编写经验，主编国家规划教材1部、参编国家规划教材2部、主编省级规划教材3部。

目 录
项目 1 认识冲压模具 ···································································································.1
任务 1.1 了解冲压成形与冲压模具 ·········································································.1
1.1.1 冲压成形的概念与特点 ················································································.2
1.1.2 冲压工序的分类 ·························································································.2
1.1.3 冲压模具的概念与分类 ················································································.4
1.1.4 冲压模具的结构组成 ···················································································.6
任务 1.2 了解常用冲压模具材料及其性能 ······························································.8
任务 1.3 冲压设备 ·······························································································.10
1.3.1 曲柄压力机 ·····························································································.10
1.3.2 摩擦压力机 ·····························································································.13
1.3.3 偏心压力机 ·····························································································.14
1.3.4 液压机 ···································································································.15
1.3.5 其他冲压设备 ··························································································.16
1.3.6 冲压设备的选用 ·······················································································.17
1.3.7 冲压模具的安装与调整 ··············································································.21
思考题 ··················································································································.22
项目 2 冲裁工艺与冲裁模设计 ···················································································.23
任务 2.1 冲裁变形过程分析 ·················································································.24
任务 2.2 冲裁件质量控制 ·····················································································.26
2.2.1 冲裁件断面质量及其影响因素 ·····································································.26
2.2.2 冲裁件的尺寸精度及其影响因素 ··································································.28
2.2.3 冲裁件的形状误差及其影响因素 ··································································.29
任务 2.3 冲裁间隙值的确定 ·················································································.29
2.3.1 冲裁间隙的概念 ·······················································································.30
2.3.2 冲裁间隙的影响 ·······················································································.30
2.3.3 冲裁间隙值的确定 ····················································································.31
任务 2.4 冲裁模刃口尺寸的计算 ··········································································.33
2.4.1 凸模、凹模刃口尺寸计算原则 ·····································································.33
2.4.2 凸模、凹模刃口尺寸的计算方法 ··································································.34
任务 2.5 冲裁排样设计 ························································································.39
2.5.1 材料利用率的计算 ····················································································.39
2.5.2 排样方法 ································································································.40
2.5.3 搭边 ······································································································.42
2.5.4 条料宽度 ································································································.43
2.5.5 排样图 ···································································································.46
任务 2.6 冲裁力和压力中心计算 ··········································································.47
2.6.1 冲裁力的计算 ··························································································.47
2.6.2 冲裁附加力的计算 ····················································································.48
2.6.3 压力中心的确定 ·······················································································.49
2.6.4 降低冲裁力的方法 ····················································································.51
任务 2.7 冲裁件的工艺性分析 ··············································································.52
2.7.1 冲裁件的尺寸精度和尺寸标注 ·····································································.53
2.7.2 冲裁件的表面粗糙度 ·················································································.54
2.7.3 冲裁件的结构工艺性 ·················································································.54
任务 2.8 冲裁模典型结构分析 ··············································································.56
2.8.1 单工序冲裁模 ··························································································.56
2.8.2 复合模 ···································································································.63
2.8.3 级进模 ···································································································.66
2.8.4 模具类型的确定 ·······················································································.69
任务 2.9 冲裁模零部件设计 ·················································································.70
2.9.1 工作零件设计 ··························································································.70
2.9.2 定位零件 ································································································.81
2.9.3 卸料装置与出件装置 ·················································································.88
2.9.4 模架 ······································································································.95
2.9.5 连接与固定零件 ·······················································································.98
任务 2.10 阳极板零件冲裁模设计 ·······································································.100
2.10.1 零件工艺性分析 ····················································································.100
2.10.2 工艺方案的确定 ····················································································.100
2.10.3 工艺计算 ·····························································································.101
2.10.4 模具结构设计 ·······················································································.102
2.10.5 模具总装图 ··························································································.105
思考题与实训题 ···································································································.106
项目 3 弯曲工艺与弯曲模设计 ··················································································.108
任务 3.1 弯曲变形过程分析 ················································································.109
3.1.1 弯曲变形的过程 ······················································································.110
3.1.2 弯曲变形的特点 ······················································································.110
任务 3.2 弯曲件质量分析及控制 ·········································································.111
3.2.1 弯曲破裂 ·······························································································.111
3.2.2 弯曲回弹 ·······························································································.113
任务 3.3 弯曲件的工艺性分析 ·············································································.118
3.3.1 弯曲件的精度 ·························································································.119
3.3.2 弯曲件的材料 ·························································································.119
3.3.3 弯曲件的结构工艺性 ················································································.119
任务 3.4 弯曲件毛坯尺寸的计算 ·········································································.122
3.4.1 弯曲件中性层位置的确定 ··········································································.122
3.4.2 弯曲件坯料尺寸的计算 ·············································································.123
任务 3.5 弯曲力的计算 ·······················································································.124
任务 3.6 弯曲模典型结构分析 ·············································································.125
3.6.1 V 形件弯曲模 ·························································································.125
3.6.2 U 形件弯曲模 ·························································································.127
3.6.3 四角形件弯曲模 ······················································································.128
3.6.4 Z 形件弯曲模 ·························································································.129
3.6.5 圆筒形件弯曲模 ······················································································.130
3.6.6 铰链弯曲模 ····························································································.132
3.6.7 复合弯曲模 ····························································································.132
3.6.8 连续弯曲模 ····························································································.133
任务 3.7 弯曲件的工艺安排 ················································································.134
任务 3.8 弯曲模工作部分的尺寸设计 ··································································.135
任务 3.9 托架零件弯曲模设计 ·············································································.139
3.9.1 零件工艺性分析 ······················································································.139
3.9.2 工艺方案确定 ·························································································.139
3.9.3 工艺计算 ·······························································································.140
3.9.4 弯曲模的结构设计 ···················································································.141
思考题与实训题 ···································································································.144
项目 4 拉深工艺与拉深模设计 ··················································································.146
任务 4.1 拉深变形过程分析 ················································································.148
任务 4.2 拉深件质量分析及控制 ·········································································.151
任务 4.3 旋转体拉深件毛坯尺寸的确定 ·······························································.153
任务 4.4 拉深件的冲压工艺分析 ·········································································.156
任务 4.5 无凸缘圆筒形件拉深工艺计算 ·······························································.157
4.5.1 拉深系数 ·······························································································.157
4.5.2 极限拉深系数 ·························································································.159
4.5.3 拉深次数和工序尺寸 ················································································.160
4.5.4 圆筒形件在以后各次拉深时的特点 ······························································.161
4.5.5 压边力与拉深力 ······················································································.162
任务 4.6 有凸缘圆筒形件拉深工艺计算 ·······························································.164
任务 4.7 其他形状零件的拉深变形 ······································································.168
任务 4.8 拉深模典型结构分析 ·············································································.169
4.8.1 首次拉深模 ····························································································.169
4.8.2 以后各次拉深模 ······················································································.173
任务 4.9 拉深模工作部分的尺寸设计 ··································································.174
任务 4.10 拉深工艺的辅助工序 ···········································································.177
任务 4.11 圆筒形件拉深模设计 ···········································································.180
思考题与实训题 ···································································································.186
项目 5 成形工艺与成形模设计 ··················································································.188
任务 5.1 认知胀形工艺与胀形模结构 ··································································.188
5.1.1 胀形的变形特点 ······················································································.189
5.1.2 胀形模的结构 ·························································································.193
任务 5.2 认知翻边工艺与翻边模结构 ··································································.197
5.2.1 内孔翻边 ·······························································································.198
5.2.2 外缘翻边 ·······························································································.203
5.2.3 变薄翻边 ·······························································································.205
5.2.4 翻边模结构 ····························································································.206
任务 5.3 认知缩口工艺与缩口模结构 ··································································.209
思考题与实训题 ···································································································.214
项目 6 多工位级进冲压工艺与级进模设计 ·································································.216
任务 6.1 多工位级进模的特点和分类 ··································································.217
任务 6.2 多工位级进模的排样设计 ······································································.218
任务 6.3 多工位级进模典型结构分析 ··································································.225
任务 6.4 多工位级进模主要零部件设计 ·······························································.228
任务 6.5 手柄零件级进模设计 ·············································································.239
思考题与实训题 ···································································································.243
项目 7 冲压模具（拉延模具）数字化设计 ·································································.245
任务 7.1 中等复杂产品零件 CAE 分析 ································································.246
任务 7.2 中等复杂拉延模具 CAD 设计 ································································.268
课后拓展实训题 ···································································································.278
参考文献 ·····················································································································.279