下载后可任意编辑 毕 业 设 计课 题: U 形弯曲件设计时间: 。。。。。。。。。。班 级: *********************学 号: 123姓 名: ***指导老师: ******完成日期: 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下载后可任意编辑曲。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。最常见的是以弯曲模具在通用压力机上进行压弯, 另外也有在折弯机、 滚弯机、 拉弯机上进行的折弯、 滚弯、 及拉弯。目录前言 ·····················································2设计任务下载后可任意编辑书 ···············································5U 形件弯曲模第一章 工艺分析 ········································61.1材料分析 ··········································61.2结构分析 ··········································6第二章 工艺方案拟定 ····································72.1毛坯展开 ··········································72.2方案确定 ···········································8第三章 弯曲工艺计算 ····································8 3.1冲压力计算 ········································8下载后可任意编辑 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··················...
