毕业设计（论文）题目三角定位片系（部）机械工程系专业模具设计与制造指导教师作者完成日期2011-5-15目录TOC\o"1-3"\h\z\uHYPERLINK\l"_Toc289459096"前言PAGEREF_Toc289459096\h2HYPERLINK\l"_Toc289459097"一、明确设计任务，收集相关资料PAGEREF_Toc289459097\h3HYPERLINK\l"_Toc289459098"1．冲压件的产品图及技术要求PAGEREF_Toc289459098\h3HYPERLINK\l"_Toc289459099"2．生产类型PAGEREF_Toc289459099\h3HYPERLINK\l"_Toc289459100"3．生产组织形式PAGEREF_Toc289459100\h3HYPERLINK\l"_Toc289459101"4．工艺装备PAGEREF_Toc289459101\h3HYPERLINK\l"_Toc289459102"二、分析采用冲压加工的经济性PAGEREF_Toc289459102\h3HYPERLINK\l"_Toc289459103"三、分析制件的冲压工艺性PAGEREF_Toc289459103\h4HYPERLINK\l"_Toc289459104"（一）制件材料PAGEREF_Toc289459104\h4HYPERLINK\l"_Toc289459105"（二）制件结构分析PAGEREF_Toc289459105\h4HYPERLINK\l"_Toc289459106"（三）制件尺寸精度PAGEREF_Toc289459106\h5HYPERLINK\l"_Toc289459107"四、工艺方案的确定PAGEREF_Toc289459107\h5HYPERLINK\l"_Toc289459108"（一）工序性质的确定PAGEREF_Toc289459108\h5HYPERLINK\l"_Toc289459109"1．工序数量的确定PAGEREF_Toc289459109\h6HYPERLINK\l"_Toc289459110"2．工序顺序PAGEREF_Toc289459110\h6HYPERLINK\l"_Toc289459111"3．工序组合方式选择PAGEREF_Toc289459111\h7HYPERLINK\l"_Toc289459112"（二）工艺顺序和组合PAGEREF_Toc289459112\h8HYPERLINK\l"_Toc289459113"1．工艺顺序PAGEREF_Toc289459113\h8HYPERLINK\l"_Toc289459114"2．工艺方案分析PAGEREF_Toc289459114\h8HYPERLINK\l"_Toc289459115"五、模具结构初定PAGEREF_Toc289459115\h9HYPERLINK\l"_Toc289459116"六、冲压工艺计算PAGEREF_Toc289459116\h9HYPERLINK\l"_Toc289459117"（一）拉深工艺计算PAGEREF_Toc289459117\h9HYPERLINK\l"_Toc289459118"1．确定零件修边余量PAGEREF_Toc289459118\h9HYPERLINK\l"_Toc289459119"2．确定坯料尺寸PAGEREF_Toc289459119\h9HYPERLINK\l"_Toc289459120"3．判断是否采用压边圈PAGEREF_Toc289459120\h9HYPERLINK\l"_Toc289459121"4．确定拉深次数PAGEREF_Toc289459121\h9HYPERLINK\l"_Toc289459122"5．确定各工序件直径PAGEREF_Toc289459122\h9HYPERLINK\l"_Toc289459123"6．确定各工序件高度PAGEREF_Toc289459123\h9HYPERLINK\l"_Toc289459124"（二）排样及材料利用率PAGEREF_Toc28945912