畢業(yè)設(shè)計 沖壓件結(jié)構(gòu)優(yōu)化設(shè)計及成形技術(shù).doc
約59頁DOC格式手機打開展開
畢業(yè)設(shè)計 沖壓件結(jié)構(gòu)優(yōu)化設(shè)計及成形技術(shù),?úêD3?é?£?ó?°??e3??11¤ò????ìμ?á??t??è?2??eê????·μ?90%ò?é??£óé′??é??£???1¤ò??ú1ú???-??ó??üê???·????ù??μ?????ê???????òaμ??£°??e3??1??óDàí?ˉéú2ú?êoí2?á?à?ó??ê??£??...
內(nèi)容介紹
此文檔由會員 bfxqt 發(fā)布
?úêD3?é?£?ó?°??e3??11¤ò????ìμ?á??t??è?2??eê????·μ?90%ò?é??£óé′??é??£???1¤ò??ú1ú???-??ó??üê???·????ù??μ?????ê???????òaμ??£°??e3??1??óDàí?ˉéú2ú?êoí2?á?à?ó??ê??£???á??áμèó?μ??£?á1¤ê?′ó2ú?·?D£??eê??t?ù±???ê?°??e3??12ú?·?£?ü1¤2ú?·?Dá|?ó??á??áμ?o???o?ìì2ú?·×?2?′y??£??????üó??·£?è?Dèòaá?′óμ?μˉ????àà£?ò2??ê?°??e3??12ú?ú?£
?ü?êà′£???×?·é?ú?¢??3μ?¢μ?×ó?¢ò?±í?¢è?ó?1¤òμ?·μè1¤òμμ?·¢?1£?3??1?ó1¤??ê?μ?μ?á????ùμ?·¢?1?£???°£?3yò?°?μ?3éDí·?·¨ía£?ó?3?òo?13éD?£???á|Dy?13éD?£?3??@@éD?£?±??¨3éD?£?ò??°???@@?2?oí???ù3??1μè?ó1¤??ê??£
3??1??ê??ú??′ú1¤òμéú2ú?D??óDê?·???òaμ?μ???£?ê?1ú·à1¤òμ?°??ó?1¤òμéú2ú?D±?2??ééùμ??ó1¤·?·¨£??úμ?×ó2ú?·?D£?3??1?t????80%~85%£??ú??3μ?¢??òμ?úDμ2ú?·?D£?3??1?t????75%~80%£??ú?á1¤òμ2ú?·?D£?3??1?t????90%ò?é??£′?ía£??úo????°o?ìì1¤òμ?D£?3??1?tò2??óDoü′óμ?±èày?£
à?3??1ê??üD??ó1¤μ??ù±?·?·¨??ò?£??üê?à?ó?°2×°?ú?1á|?úé?μ??£??£??úêò??????°?á?ê??ó?1á|ê1??±?D?oí·?à?£?′ó????μ???óDò??¨D?×′?¢3?′?μ?á??tμ??1á|?ó1¤·?·¨?£òò?a?ü?÷òaó?óú?ó1¤°?á?á??t£??ùò?ò23?°?á?3??1?£?úà?3??1?ó1¤?D£???2?á?£¨?eê??ò·??eê?£??ó1¤3éá??t£¨?ò°?3é?·£?μ?ò???ì?êa1¤ò?×°±?£?3??aà?3??1?£??£¨?×3?à?3??££??£à?3??£?úêμ??à?3??1?ó1¤?Dê?±?2??ééùμ?1¤ò?×°±?£???óD?è??μ??£????ê?£??è??μ?3??11¤ò??í?T·¨êμ???£3??1?ó1¤?ú??3μ?¢í?à-?ú?¢μ??ú?¢μ??÷?¢ò?±íoíè?ó??·μ?éú2ú?D£?ò????Yê?·???òaμ?μ???[1]?£
1.2 1ú?úía?D??×′??
??×??????úèíó2?t??ê?μ?·¢?1£??ú?àèúo?á??????úí?D??§?¢óD?T?a??ê?oí?üD?3éD?àí??μ??£?aèí?t?aê?3???£?àyè?DYNAFORM, PAM-STAMP. LS-DYNA3D, AUTOFORM,OPTRIS, ABAQUS/EXPLICITμè£?μ?μ?á?Dí?à1¤òμ2?μ???êóoíó|ó??£?à1úμ?GM,Ford, Chrysler,μ?1úμ?′ó?ú?¢±?3?£?è?±?μ?·áì??¢èyáa?¢è?2úμè′óDí??3μ???ì1???£??o?aê?ó|ó??aààèí?t??μ?°?á?3éD??tμ??a·¢oíéú2ú£?2úéúá?á?o?μ??-??D§ò??£êy?μ·?????ê?ò?????D§?ê?¢μí3é±?μ?ó?ê??ú±?°?3??13éD?áìóò?Dμ?μ?á?1?·oμ?ó|ó??£?à1ú?¢è?±?μèêà??ò?á÷μ????§?D???DD?2éó?óD?T?aêy?μ?£?aoíí?????ê???á??t?¢?£???¢3??11¤ò?oí2?á?D??ü????μ??à?¥êêó|D???DDá?èy???ˉì?·???·???£?é??°áìóò??1?·o?¢?D??3é1???????£?òyè??????£?ò1ú?ú°?á?3éD?êy?μ?£?a·????e2???íí£???·¢′?1ú?ò(?à?¢è?μè)ííá?ê????ê?£?-1y?à?êμ?·¢?1£??ò1ú?ú°?á?3éD?êy?μ?£?a·???ò??-è?μ?á?oü′ó???1£?μ??÷òa?ˉ?D?ú2?·???D£à?£??a?Dàí1¤′ó?§????2?íêè???3?oDD??tμ?3éD?ì?μ?£??a·¢á?óD?T±?D?μˉ?üD?±??¤óD?T?a3ìDò??????DD·????D???£?aá?1¤òμ′ó?§2éó??üD?μ?Lagrange·¨ò??°óD?T?a±?D?Dé1|?ê??á?Dí?-àíμ?μˉ?üD?′ó±?D?óD?T?a·¨£??D??á??eê?°?á?3éD?μ??üD?á÷?ˉ1??éò??°3éD?1y3ì?D·¢éúμ??e???¢á???μè???ó£?ê×′?ìá3?á??àμ?3éD?ê±·?á?D??ó′¥±?????ê?μ?′|àí·?·¨£??¨á¢á??ùóúMindlin??àí??èy???eê?°?á?3éD?1y3ì·???μ?óD?T?a?£Dí£?±à??á?ó?óú°?á??àμ?3éD?·???μ?óD?T?aרó?èí?t£?3é1|·???á??àμ?3éD?ê±μ??eê?á÷?ˉ1??é?£1t??±?1¤òμ′ó?§2éó????3?üD?±?111??μ£??a·¢á??3?üD?°???3éD?óD?T?a·???3ìDò£?2¢??·?oD?tμ?3éD?1y3ì??DDá?·???£?:??°?á??3D??é?ê?íD?1y3ì?Dμ?ó|±??ù?ê±??ˉò2??DDá??£?a?D???£±±??o???o?ìì′ó?§??°?á?3éD?1y3ì?Dμ??ó′¥?|2áoíDü?????e????DDêy?μ?£?a?£é?o£ìúμà?§?oμ?à?ò¢3?ó?óD?T?a·¨?£?aá??eê?°?2?μ?3??13éD?1y3ì£?·???á??eê?°?2??ú3??11y3ì?Dμ??ü?ú???ó£??¨á¢á???á?D?ê?μ?±?·??-àí£??ú×ùá?°?á??e??μ?·¢?1?¢??μt?¢?¥??μ?è?1y3ì?£é?o£??í¨′ó?§??°?á?3éD?μ???μˉ??DDá????a?μí3μ??D??£?ìá3??ú°?á???μˉ?£?a?D2éó?DT?yμ?à-??àêè?·¨???ao?êê?£
?ü?êà′£???×?·é?ú?¢??3μ?¢μ?×ó?¢ò?±í?¢è?ó?1¤òμ?·μè1¤òμμ?·¢?1£?3??1?ó1¤??ê?μ?μ?á????ùμ?·¢?1?£???°£?3yò?°?μ?3éDí·?·¨ía£?ó?3?òo?13éD?£???á|Dy?13éD?£?3??@@éD?£?±??¨3éD?£?ò??°???@@?2?oí???ù3??1μè?ó1¤??ê??£
3??1??ê??ú??′ú1¤òμéú2ú?D??óDê?·???òaμ?μ???£?ê?1ú·à1¤òμ?°??ó?1¤òμéú2ú?D±?2??ééùμ??ó1¤·?·¨£??úμ?×ó2ú?·?D£?3??1?t????80%~85%£??ú??3μ?¢??òμ?úDμ2ú?·?D£?3??1?t????75%~80%£??ú?á1¤òμ2ú?·?D£?3??1?t????90%ò?é??£′?ía£??úo????°o?ìì1¤òμ?D£?3??1?tò2??óDoü′óμ?±èày?£
à?3??1ê??üD??ó1¤μ??ù±?·?·¨??ò?£??üê?à?ó?°2×°?ú?1á|?úé?μ??£??£??úêò??????°?á?ê??ó?1á|ê1??±?D?oí·?à?£?′ó????μ???óDò??¨D?×′?¢3?′?μ?á??tμ??1á|?ó1¤·?·¨?£òò?a?ü?÷òaó?óú?ó1¤°?á?á??t£??ùò?ò23?°?á?3??1?£?úà?3??1?ó1¤?D£???2?á?£¨?eê??ò·??eê?£??ó1¤3éá??t£¨?ò°?3é?·£?μ?ò???ì?êa1¤ò?×°±?£?3??aà?3??1?£??£¨?×3?à?3??££??£à?3??£?úêμ??à?3??1?ó1¤?Dê?±?2??ééùμ?1¤ò?×°±?£???óD?è??μ??£????ê?£??è??μ?3??11¤ò??í?T·¨êμ???£3??1?ó1¤?ú??3μ?¢í?à-?ú?¢μ??ú?¢μ??÷?¢ò?±íoíè?ó??·μ?éú2ú?D£?ò????Yê?·???òaμ?μ???[1]?£
1.2 1ú?úía?D??×′??
??×??????úèíó2?t??ê?μ?·¢?1£??ú?àèúo?á??????úí?D??§?¢óD?T?a??ê?oí?üD?3éD?àí??μ??£?aèí?t?aê?3???£?àyè?DYNAFORM, PAM-STAMP. LS-DYNA3D, AUTOFORM,OPTRIS, ABAQUS/EXPLICITμè£?μ?μ?á?Dí?à1¤òμ2?μ???êóoíó|ó??£?à1úμ?GM,Ford, Chrysler,μ?1úμ?′ó?ú?¢±?3?£?è?±?μ?·áì??¢èyáa?¢è?2úμè′óDí??3μ???ì1???£??o?aê?ó|ó??aààèí?t??μ?°?á?3éD??tμ??a·¢oíéú2ú£?2úéúá?á?o?μ??-??D§ò??£êy?μ·?????ê?ò?????D§?ê?¢μí3é±?μ?ó?ê??ú±?°?3??13éD?áìóò?Dμ?μ?á?1?·oμ?ó|ó??£?à1ú?¢è?±?μèêà??ò?á÷μ????§?D???DD?2éó?óD?T?aêy?μ?£?aoíí?????ê???á??t?¢?£???¢3??11¤ò?oí2?á?D??ü????μ??à?¥êêó|D???DDá?èy???ˉì?·???·???£?é??°áìóò??1?·o?¢?D??3é1???????£?òyè??????£?ò1ú?ú°?á?3éD?êy?μ?£?a·????e2???íí£???·¢′?1ú?ò(?à?¢è?μè)ííá?ê????ê?£?-1y?à?êμ?·¢?1£??ò1ú?ú°?á?3éD?êy?μ?£?a·???ò??-è?μ?á?oü′ó???1£?μ??÷òa?ˉ?D?ú2?·???D£à?£??a?Dàí1¤′ó?§????2?íêè???3?oDD??tμ?3éD?ì?μ?£??a·¢á?óD?T±?D?μˉ?üD?±??¤óD?T?a3ìDò??????DD·????D???£?aá?1¤òμ′ó?§2éó??üD?μ?Lagrange·¨ò??°óD?T?a±?D?Dé1|?ê??á?Dí?-àíμ?μˉ?üD?′ó±?D?óD?T?a·¨£??D??á??eê?°?á?3éD?μ??üD?á÷?ˉ1??éò??°3éD?1y3ì?D·¢éúμ??e???¢á???μè???ó£?ê×′?ìá3?á??àμ?3éD?ê±·?á?D??ó′¥±?????ê?μ?′|àí·?·¨£??¨á¢á??ùóúMindlin??àí??èy???eê?°?á?3éD?1y3ì·???μ?óD?T?a?£Dí£?±à??á?ó?óú°?á??àμ?3éD?·???μ?óD?T?aרó?èí?t£?3é1|·???á??àμ?3éD?ê±μ??eê?á÷?ˉ1??é?£1t??±?1¤òμ′ó?§2éó????3?üD?±?111??μ£??a·¢á??3?üD?°???3éD?óD?T?a·???3ìDò£?2¢??·?oD?tμ?3éD?1y3ì??DDá?·???£?:??°?á??3D??é?ê?íD?1y3ì?Dμ?ó|±??ù?ê±??ˉò2??DDá??£?a?D???£±±??o???o?ìì′ó?§??°?á?3éD?1y3ì?Dμ??ó′¥?|2áoíDü?????e????DDêy?μ?£?a?£é?o£ìúμà?§?oμ?à?ò¢3?ó?óD?T?a·¨?£?aá??eê?°?2?μ?3??13éD?1y3ì£?·???á??eê?°?2??ú3??11y3ì?Dμ??ü?ú???ó£??¨á¢á???á?D?ê?μ?±?·??-àí£??ú×ùá?°?á??e??μ?·¢?1?¢??μt?¢?¥??μ?è?1y3ì?£é?o£??í¨′ó?§??°?á?3éD?μ???μˉ??DDá????a?μí3μ??D??£?ìá3??ú°?á???μˉ?£?a?D2éó?DT?yμ?à-??àêè?·¨???ao?êê?£