U形件弯曲模设计毕业论文

毕 业 设 计

课 题： U形弯曲件

设计时间： 2010.11.11～12.11 班 级：

学 号： 12345678 姓 名： *** 指导教师： ******

完成日期：2010 年 12 月 11 日

前言

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一、弯曲的概念与应用

金属材料被弯成一定形状和角度的零件的成形方法称为弯

曲。弯曲是冲压生产中应用广泛的一种工艺，可用于制造大型结构零件，，如飞机机翼、汽车大梁等，也可用于生产中小型机器及电子仪器仪表零件，如铰链、点子元器件等。根据弯曲件的不同要求和生产批量的大小，有各种不同的弯曲方法。最常用的是以弯曲模具在通用压力机上进行压弯，此外也有在折弯机、滚弯机、拉弯机上进行的折弯、滚弯、及拉弯。

目录

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前言·····················································2 设计任务书···············································5

U形件弯曲模

第一章 工艺分析········································6

1.1材料分析··········································6 1.2结构分析··········································6 第二章 工艺方案拟定····································7

2.1毛坯展开··········································7 2.2方案确定···········································8 第三章 弯曲工艺计算····································8 3.1冲压力计算········································8 3.2模具工作部分尺寸计算······························9 第四章 模具总结构形式确定·····························12 第五章 冲压设备的选择·································12 第六章 弯曲模模架及零件设计···························13 6.1后侧导柱模架的选用································13 6.2其它零件结构·····································13 第七章 模具制造工艺过程·······························16 7.1凹模制造工艺过程·································16

7.1凸模制造工艺过程·································16 第八章 模具各部分零件参数·····························16 第九章 橡胶垫的选用···································17

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