U形件弯曲模研究设计说明书.docVIP

毕 业 设 计 课　 题： U形弯曲件 设计时间： 2010.11.11～12.11 班　　级： *********************学　　号： 姓　　名： *** 指导教师： ****** 完成日期：2010 年 12 月 11 日 前言 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 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 第十章 总工程图·······································18 总结·················································19 致谢信···············································20 参考文献·············································22 附录·················································23 毕业设计任务书 题目：根据下面的制件，设计冲压模具（为大批量生产） 设计工作量：1、模具装配图一张（A0或者A1图纸）。 2、主要零件图1～3张（A3或者A4图纸）。 3、模具各零件及模具总体装配三维造型。 4、模具设计说明书一份。 5、PPT设计说明书一份。 U形件弯曲模具设计 如图所示的弯曲件，其材料为10钢，料厚5mm，板宽40mm。