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过滤器的冲压工艺分析与模具设计模具设计论文
本科毕业设计说明书
题 目：过滤器的冲压工艺分析
与模具设计
院 （部）： 材料科学与工程学院
专 业： 材料成型及控制工程
班 级： 成型062
姓 名： 陈国庆
学 号： 2006101054
指导教师： 任国成
完成日期： 2010年6月5日
目 录
摘要····································································Ⅲ
ABSTRACT····························································Ⅳ
1 前 言
1.1 课题的特点及研究意义·················································1
1.2 模具发展行业的研究现状················································1
1.3 课题设计思路及研究内容···············································2
2 工艺分析及计算
2.1 引言··································································3
2.2 冲压件工艺分析························································3
2.3 冲压件工艺方案的确定··················································3
2.4 冲压件工艺计算························································4
2.4.1 修边余量的确定·····················································4
2.4.2计算毛坯直径························································4
2.4.3 排样及搭边·························································7
2.4.4 拉深次数的确定·····················································7
2.4.5 拉深凹模圆角的确定·················································8
3 模具设计
3.1 落料拉深模具设计······················································9
3.1.1 落料拉深凸凹模结构的确定及有关尺寸的计算···························9
3.1.2 落料凹模结构的确定················································10
3.1.3 拉深凸模结构的确定及有关尺寸的计算································11
3.1.4 拉深凹模结构形式的选择············································12
3.1.5 其他零件的选择····················································13
3.1.6 闭合高度的计算····················································14
3.1.7 冲裁力的计算及压力机的选择········································15
3.1.8 模具总装图························································18
3.2 二次拉伸模具设计·····················································19
3.2.1 拉深凸模和凹模结构的确定及有关尺寸的计算··························19
3.2.2 确定是否使用压边圈················································20
3.2.3 其他零件的选择····················································20
3.2.4 闭合高度的计算···························
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