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页数:14页
时间:2018-07-09
《垫片冲裁模毕业论文》由会员上传分享,免费在线阅读,更多相关内容在学术论文-天天文库。
1、目录§前言任务描述·····································1一.冲压件工艺性分··································2二.冲压工艺方案的确定······························2三.主要设计计算····································2(1)排养方式的确定以及计算·······························2(2)冲压力的计算·········································2(3)压力中心的确
2、定及相关计算·····························3(4)工作零件刃口尺寸计算·································3(5)卸料橡胶的设计·······································4四.模具总体设计····································4-13-(1)模具类型的选择·······································4(2)定位方式的选择·······································4(3
3、)卸料,出件方式的选择·································4(4)导向方式选择·········································5五.主要零部件设计··································5(1)主要零件的结构设计···································5a.落料凸模··············································5b.冲孔凸模·····································
4、·········5c.凹模·················································5(2)定位零件的设计·······································6(3)导料板的设计·········································6(4)卸料板部件设计·······································6(5)模架及其他零部件设计·································6六.-13-模具总装图···········
5、···························7七.冲压设备的选定··································7八.工作零件的加工工艺·····························7九.模具的装配·····································8十.设计小结·······································9附图装配图········································10(参考文献)···························
6、··································11冲裁模设计说明书冲裁模设计:-13-根据给定工件图设计冲裁模具。工件尺寸如图所示,料厚t=1,材料:紫铜;大批量.要求:1.完成模具总装图(3D电子文档);2.完成总装配图,图纸符合国家制图标准;3.绘制工程图,图纸符合国家制图标准.4.编写设计说明书.(A4纸打印)工件图工件名称:垫片工件简图:如图所示生产批量:大批量工件材料:紫铜材料厚度:1mm一.冲压件工艺性分析此工件只有冲孔和落料两个工序。材料为紫铜,具有良好的冲压性能,适合冲裁。工件结果简单,有2个直径10mm的孔;孔与孔,孔与边
7、缘之间的距离满足要求,工件的尺寸全部为自由公差,可看着IT14级,尺寸精度底,普通冲裁就能满足要求。-13-二.冲压工艺方案的确定该工件包括落料冲孔两个基本工序,可有以下三种工艺方案:方案一:先落料,后冲孔。采用单工序模生产。方案二:落料—冲孔复合冲压。采用复合模生产。方案三:冲孔—落料级进冲压。采用级进模生产。方案一模具结构简单,但需要两道工序两套模具,成本高而生产效率低,难以满足大批量生产要求。方案二只需一套模具,工作精度及生产效率都比较高,但制造难度大,并且冲压成品件留在模具上,清理模具上的物料影响冲压速度,操作不方便。方案三也只需要一副模具,生产效率高,
8、操作方便,设计简单,由于
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