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垫片少废料复合的设计说明书
课 程 设 计 说 明 书
题 目： 拖拉机用垫片的成型工艺与
模具设计
课 程： 冲压工艺及模具设计
院 （部）： 机电工程学院
专 业： 机械工程及自动化
班 级： 机本05成型
学生姓名： 王森
学 号：
指导教师：
完成日期： 2008年1月18日
目 录
摘 要···································································3
1 零件的工艺性分析·····················································3
2 确定工艺方案·························································3
3 工艺计算
3.1 计算工艺力···························································· 4
3.2确定排样形式和裁板·····················································5
3.3 材料利用率···························································· 6
4 压力中心确定，压力机选择
4.1 压力中心确定························································· 6
4.2 压力机选择··························································· 7
5模具设计
5.1 确定模具结构························································· 6
5.2 模具零件尺寸计算与确定················································ 6
6 模具其他零件的选用
6.1卸料弹簧的选择······················································· 6
6.2 选择上下模板及模柄···················································· 6
6.3 垫板凸模固定板························································ 6
6.4 闭合高度····························································· 6
6.5 导柱、导套····························································· 6
6.6 卸料螺钉····························································· 6
7 参考资料·····························································11
摘要
冲压是在室温下，利用安装在压力机上的模具对材料施加压力，使其产生分离或塑性变形，从而获得所需零件的一种压力加工方法。冲压模具在冷冲压加工中，将材料（金属或非金属）加工成零件（或半成品）的一种特殊工艺装备，称为冷冲压模具（俗称冷冲模）。冲压模具是冲压生产必不可少的工艺装备，是技术密集型产品。冲压件的质量、生产效率以及生产成本等，与模具设计和制造有直接关系。模具设计与制造技术水平的高低，是衡量一个国家产品制造水平高低的重要标志之一，在很大程度上决定着产品的质量、效益和新产品的开发能力。
一
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