喜歡就充值下載吧。。。資源目錄里展示的全都有，，下載后全都有請(qǐng)放心下載，原稿可自行編輯修改=====================【QQ：1304139763可咨詢交流】喜歡就充值下載吧。。
喜歡就充值下載吧。。。資源目錄里展示的全都有，，下載后全都有請(qǐng)放心下載，原稿可自行編輯修改=====================【QQ：1304139763可咨詢交流】喜歡就充值下載吧。。
喜歡就充值下載吧。。。資源目錄里展示的全都有，，下載后全都有請(qǐng)放心下載，原稿可自行編輯修改=====================【QQ：1304139763可咨詢交流】喜歡就充值下載吧。。
目錄
1.緒論············································· 1
1.1沖壓技術(shù)概念··································· 1
1.2我國(guó)模具技術(shù)的發(fā)展趨勢(shì)························· 2
1.3 復(fù)合模的主要特點(diǎn)······························· 7
1.4 模具CAD技術(shù)·································· 7
1.5 本課題的來(lái)源及主要任務(wù)························· 8
2.沖壓件的工藝分析······························ 9
2.1工藝方案的分析和確定····························10
2.1.1毛坯直徑D的計(jì)算······························10
2.1.2 拉深次數(shù)n的計(jì)算······························10
2.2 工藝方案的確定··································10
2.3計(jì)算各工序壓力、壓力中心、初選壓力機(jī)·············11
2.3.1沖裁力的計(jì)算···································12
2.3.2.初選壓力機(jī)····································12
2.3.4.確定壓力中心··································13
2.4沖壓工序·········································13
2.5模具結(jié)構(gòu)設(shè)計(jì)·····································13
2.5.1模具結(jié)構(gòu)選擇···································13
2.5.2模具工作部分的尺寸和公差的確定·················14
2.5.3 模具結(jié)構(gòu)設(shè)計(jì)·································· 15
2.6整修工序·········································16
3.結(jié)論···············································19
4.致謝···············································20
5.參考文獻(xiàn)·········································· 21