导线包头的计算机辅助工艺和模具设计说明书.doc

本科毕业设计说明书题目：典型冲压件计算机辅助工艺和模具设计院（部）：材料科学与工程学院专业：材料成型及控制工程班级：姓名：学号：指导教师：完成日期：山东建筑大学毕业设计说明书I目录摘要····································································ABSTRACT····························································1前言1.1课题的特点及研究意义·················································11.2模具发展行业的研究现状················································11.3课题设计思路及研究内容···············································22工艺分析及计算2.1引言··································································32.2冲压件工艺分析························································32.3冲压件工艺方案的确定··················································32.4冲压件工艺计算························································42.4.1修边余量的确定·····················································42.4.2计算毛坯直径························································42.4.3排样及搭边·························································72.4.4拉深次数的确定·····················································72.4.5拉深凹模圆角的确定·················································83模具设计3.1落料拉深模具设计······················································93.1.1落料拉深凸凹模结构的确定及有关尺寸的计算···························93.1.2落料凹模结构的确定················································103.1.3拉深凸模结构的确定及有关尺寸的计算································113.1.4拉深凹模结构形式的选择············································123.1.5其他零件的选择····················································133.1.6闭合高度的计算····················································143.1.7冲裁力的计算及压力机的选择········································15山东建筑大学毕业设计说明书II3.1.8模具总装图························································183.2二次拉伸模具设计·····················································193.2.1拉深凸模和凹模结构的确定及有关尺寸的计算··························193.2.2确定是否使用压边圈················································203.2.3其他零件的选择····················································203.2.4闭合高度的计算····················································223.2.5拉深力的计算及压力机的选择········································223.2.6模具总装图························································233.3切边模具设计·························································233.3.1切边凸模结构的确定及有关尺寸的计算································233.3.2切边凹模结构的确定及有关尺寸的计算································233.3.3废料切刀··························································233.3.4上下模座及导柱导套的选择··········································243.3.5闭合高度的计算····················································243.3.6切边力的计算及压力机的选择········································263.3.7模具总装图························································274结论································································29谢辞··································································30参考文献·······························································31山东建筑大学毕业设计说明书III摘要本设计课题研究的是NZJ50耐张管接头中的一个重要零件导线包头，材料为08钢，厚度为0.3mm，属于大批量生产尺寸精度要求一般。本文的主要内容是分析它的工艺性并设计它的冲压模具。首先根据该零件的结构特点和所用材料特点进行工艺分析和工艺计算，进而确定出工艺方案。确定的工艺方案中选用三套模具：第一套是落料拉深复合模具，第二套是二次拉深模具，最后一套为切边模具；然后根据工艺计算对模具的具体结构和所需各个零件进行设计和选择，通过计算各所需力，初选用压力机为开式压力机J23-6.3，其公称压力为63KN；最后在计算机上用CAD绘图软件画出所有的总装图和零件图，并标注各个零件的尺寸，技术要求及其制造标准。设计过程中参考了各种文献资料和技术标准。关键词：冲压模具；工艺分析；模具设计