Article(id=1210383067907224122, tenantId=1146029695717560320, journalId=1189873562199433220, issueId=1210383066325971495, articleNumber=null, orderNo=null, doi=10.19710/J.cnki.1003-8817.20230013, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=research-article, receivedDate=null, receivedDateStr=null, revisedDate=null, revisedDateStr=null, acceptedDate=null, acceptedDateStr=null, onlineDate=1766507411219, onlineDateStr=2025-12-24, pubDate=1705680000000, pubDateStr=2024-01-20, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1766507411219, onlineIssueDateStr=2025-12-24, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1766507411219, creator=13701087609, updateTime=1766507411219, updator=13701087609, issue=Issue{id=1210383066325971495, tenantId=1146029695717560320, journalId=1189873562199433220, year='2024', volume='', issue='1', pageStart='1', pageEnd='72', issueExtLink='null', onlineDate='null', pubDate='null', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=null, createTime=1766507410842, creator=13701087609, updateTime=1766507410842, updator=13701087609, preIssue=null, nextIssue=null, ext=null, issueFiles=null}, startPage=31, endPage=37, ext={EN=ArticleExt(id=1210383068121133632, articleId=1210383067907224122, tenantId=1146029695717560320, journalId=1189873562199433220, language=EN, title=Cause Analysis and Optimization of Flange Cracking for Cross Member of Steel H420LAD, columnId=null, journalTitle=Automobile Technology & Material, columnName=null, runingTitle=null, highlight=null, articleAbstract=
For the problems of flange cracking for cross member of steel H420LAD, the stamping simulation of cross member was performed, the scheme was evaluated on type of flange, major and minor stain, paths of strain. The results show that minor stain was the main parameters of parts flanging and cracking, the decrease of minor strain was beneficial to eliminating flange cracking, increasing the plastic strain was the direction of material optimization. 2 schemes to stamp processing were proposed and simulated, the results show that after optimization of the gaps between die and punch, the distances between the blocks for flanging and the punch, the forming safety margin was increased from 0% to 4.49%, the edge quality of part was improved slightly. The optimization of blank was carried out, the process of pre-flanging was changed to drawing, process of trimming was added, the forming safety margin was increased from 0% to 16.44%, and the qualified rate of the parts is 100%.
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针对H420LAD钢横梁零件翻边开裂的问题,对横梁零件进行了冲压仿真,从翻边类型、主次应变、应变路径等方面对方案进行评估。结果表明,次应变是影响零件翻边开裂的主要参数,降低次应变有利于改善翻边开裂问题,材料优化的方向是提高材料的塑性应变比。提出了2种冲压工艺方案并仿真,优化模具间隙、翻边刀块到底距离等,零件成形安全裕度由0%增至4.49%,边部质量略有改善;优化板料形状、预翻边工序改为拉延、增加修边工序,零件成形安全裕度由0%增至16.44%,零件冲压合格率100%。
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田志俊(1986—),男,工程师,硕士学位,研究方向为汽车板产品开发及应用研究。
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田志俊(1986—),男,工程师,硕士学位,研究方向为汽车板产品开发及应用研究。
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田志俊(1986—),男,工程师,硕士学位,研究方向为汽车板产品开发及应用研究。
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2 No.4 Steelmaking and Rolling General Plant, Maanshan Iron and Steel Co., Ltd., Maanshan 243000, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null), CN=AuthorExt(id=1210637312510260204, tenantId=1146029695717560320, journalId=1189873562199433220, articleId=1210383067907224122, authorId=1210637312359265257, language=CN, stringName=李轶伦, firstName=null, middleName=null, lastName=null, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=
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2 马鞍山钢铁股份有限公司四钢轧总厂, 马鞍山 243000)])])], keywords=[Keyword(id=1210637312711586797, tenantId=1146029695717560320, journalId=1189873562199433220, articleId=1210383067907224122, language=EN, orderNo=1, keyword=Low alloy high strength steel), Keyword(id=1210637312778695662, tenantId=1146029695717560320, journalId=1189873562199433220, articleId=1210383067907224122, language=EN, orderNo=2, keyword=Flanging), Keyword(id=1210637312837415919, tenantId=1146029695717560320, journalId=1189873562199433220, articleId=1210383067907224122, language=EN, orderNo=3, keyword=Flange cracking), Keyword(id=1210637312904524784, tenantId=1146029695717560320, journalId=1189873562199433220, articleId=1210383067907224122, language=EN, orderNo=4, keyword=Strain), Keyword(id=1210637312971633649, tenantId=1146029695717560320, journalId=1189873562199433220, articleId=1210383067907224122, language=EN, orderNo=5, keyword=Forming safety margin), Keyword(id=1210637313026159602, tenantId=1146029695717560320, journalId=1189873562199433220, articleId=1210383067907224122, language=CN, orderNo=1, keyword=低合金高强钢), Keyword(id=1210637313101657075, tenantId=1146029695717560320, journalId=1189873562199433220, articleId=1210383067907224122, language=CN, orderNo=2, keyword=翻边成形), Keyword(id=1210637314288645108, tenantId=1146029695717560320, journalId=1189873562199433220, articleId=1210383067907224122, language=CN, orderNo=3, keyword=翻边开裂), Keyword(id=1210637314355753973, tenantId=1146029695717560320, journalId=1189873562199433220, articleId=1210383067907224122, language=CN, orderNo=4, keyword=应变), Keyword(id=1210637314422862838, tenantId=1146029695717560320, journalId=1189873562199433220, articleId=1210383067907224122, language=CN, orderNo=5, keyword=零件成形安全裕度)], refs=[Reference(id=1210637319321808940, tenantId=1146029695717560320, journalId=1189873562199433220, articleId=1210383067907224122, doi=null, pmid=null, pmcid=null, year=2017, volume=null, issue=4, pageStart=173, pageEnd=177, url=null, language=null, rfNumber=[1], rfOrder=0, authorNames=李涛, 韩龙帅, 郑学斌, journalName=塑性工程学报, refType=null, unstructuredReference=李涛, 韩龙帅, 郑学斌, 等. 高强钢边部开裂影响因素研究[J].
塑性工程学报,
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1 马鞍山钢铁股份有限公司技术中心, 马鞍山 243000)]), AuthorCompany(id=1210637311226803146, tenantId=1146029695717560320, journalId=1189873562199433220, articleId=1210383067907224122, xref=2, ext=[AuthorCompanyExt(id=1210637311230997451, tenantId=1146029695717560320, journalId=1189873562199433220, articleId=1210383067907224122, companyId=1210637311226803146, language=EN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
2 No.4 Steelmaking and Rolling General Plant, Maanshan Iron and Steel Co., Ltd., Maanshan 243000), AuthorCompanyExt(id=1210637311239386060, tenantId=1146029695717560320, journalId=1189873562199433220, articleId=1210383067907224122, companyId=1210637311226803146, language=CN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
2 马鞍山钢铁股份有限公司四钢轧总厂, 马鞍山 243000)])], figs=[ArticleFig(id=1210637314582246391, tenantId=1146029695717560320, journalId=1189873562199433220, articleId=1210383067907224122, language=EN, label=null, caption=null, figureFileSmall=IwSmCl7hEjeS9gM6n/eSTg==, figureFileBig=9ig1q422kKYgqOmC61ajTw==, tableContent=null), ArticleFig(id=1210637314649355256, tenantId=1146029695717560320, journalId=1189873562199433220, articleId=1210383067907224122, language=CN, label=图1, caption=
副车架横梁, figureFileSmall=IwSmCl7hEjeS9gM6n/eSTg==, figureFileBig=9ig1q422kKYgqOmC61ajTw==, tableContent=null), ArticleFig(id=1210637314729047033, tenantId=1146029695717560320, journalId=1189873562199433220, articleId=1210383067907224122, language=EN, label=null, caption=null, figureFileSmall=kW6xfrXpaMb1npMjDuo1/A==, figureFileBig=7HhtqxuJVvYU4l26VBg/rQ==, tableContent=null), ArticleFig(id=1210637314791961594, tenantId=1146029695717560320, journalId=1189873562199433220, articleId=1210383067907224122, language=CN, label=图2, caption=
横梁在翻边成形时边部开裂, figureFileSmall=kW6xfrXpaMb1npMjDuo1/A==, figureFileBig=7HhtqxuJVvYU4l26VBg/rQ==, tableContent=null), ArticleFig(id=1210637314850681851, tenantId=1146029695717560320, journalId=1189873562199433220, articleId=1210383067907224122, language=EN, label=null, caption=null, figureFileSmall=dg9Tjb9AFAFtrthSypW5JA==, figureFileBig=QWFNPNS3YbSLufcxkf44Ag==, tableContent=null), ArticleFig(id=1210637314905207804, tenantId=1146029695717560320, journalId=1189873562199433220, articleId=1210383067907224122, language=CN, label=图3, caption=
H420LAD钢板的应力-应变曲线, figureFileSmall=dg9Tjb9AFAFtrthSypW5JA==, figureFileBig=QWFNPNS3YbSLufcxkf44Ag==, tableContent=null), ArticleFig(id=1210637314972316669, tenantId=1146029695717560320, journalId=1189873562199433220, articleId=1210383067907224122, language=EN, label=null, caption=null, figureFileSmall=KcKlj7/iRICElBFcNROV/A==, figureFileBig=ccxdebALEi5n+tSDAqhaWw==, tableContent=null), ArticleFig(id=1210637315026842622, tenantId=1146029695717560320, journalId=1189873562199433220, articleId=1210383067907224122, language=CN, label=图4, caption=
铣削、冲裁加工拉伸试样断裂形式, figureFileSmall=KcKlj7/iRICElBFcNROV/A==, figureFileBig=ccxdebALEi5n+tSDAqhaWw==, tableContent=null), ArticleFig(id=1210637315085562879, tenantId=1146029695717560320, journalId=1189873562199433220, articleId=1210383067907224122, language=EN, label=null, caption=null, figureFileSmall=QlxnDDTlfYUuEZG0egRZlw==, figureFileBig=NqCx4iQYMeQTsJ4akY1RaA==, tableContent=null), ArticleFig(id=1210637315135894528, tenantId=1146029695717560320, journalId=1189873562199433220, articleId=1210383067907224122, language=CN, label=图5, caption=
成形极限模具示意图和试样, figureFileSmall=QlxnDDTlfYUuEZG0egRZlw==, figureFileBig=NqCx4iQYMeQTsJ4akY1RaA==, tableContent=null), ArticleFig(id=1210637315203002368, tenantId=1146029695717560320, journalId=1189873562199433220, articleId=1210383067907224122, language=EN, label=null, caption=null, figureFileSmall=//4y7NOPEro+lZre2PMsRw==, figureFileBig=1oa/TFmaGZRfpTa+MH8Lyg==, tableContent=null), ArticleFig(id=1210637315257528321, tenantId=1146029695717560320, journalId=1189873562199433220, articleId=1210383067907224122, language=CN, label=图6, caption=
H420LAD的成形极限图, figureFileSmall=//4y7NOPEro+lZre2PMsRw==, figureFileBig=1oa/TFmaGZRfpTa+MH8Lyg==, tableContent=null), ArticleFig(id=1210637315333025794, tenantId=1146029695717560320, journalId=1189873562199433220, articleId=1210383067907224122, language=EN, label=null, caption=null, figureFileSmall=k1GHvMIB5TLxLMQR4339cw==, figureFileBig=Wbg02UdGDDdRhfCCpgkGHQ==, tableContent=null), ArticleFig(id=1210637315391746051, tenantId=1146029695717560320, journalId=1189873562199433220, articleId=1210383067907224122, language=CN, label=图7, caption=
翻边工序有限元模型, figureFileSmall=k1GHvMIB5TLxLMQR4339cw==, figureFileBig=Wbg02UdGDDdRhfCCpgkGHQ==, tableContent=null), ArticleFig(id=1210637315442077700, tenantId=1146029695717560320, journalId=1189873562199433220, articleId=1210383067907224122, language=EN, label=null, caption=null, figureFileSmall=AbvebVnWEMXy+4OkG1ON+g==, figureFileBig=KKEf3jo0gVyNWzTpLuRZsA==, tableContent=null), ArticleFig(id=1210637315504992261, tenantId=1146029695717560320, journalId=1189873562199433220, articleId=1210383067907224122, language=CN, label=图8, caption=
横梁的全工序模拟过程, figureFileSmall=AbvebVnWEMXy+4OkG1ON+g==, figureFileBig=KKEf3jo0gVyNWzTpLuRZsA==, tableContent=null), ArticleFig(id=1210637315559518214, tenantId=1146029695717560320, journalId=1189873562199433220, articleId=1210383067907224122, language=EN, label=null, caption=null, figureFileSmall=rTvFE3npPcAilBp5H40VZQ==, figureFileBig=YzI5UMto7gGCxG56NxWDYw==, tableContent=null), ArticleFig(id=1210637315618238471, tenantId=1146029695717560320, journalId=1189873562199433220, articleId=1210383067907224122, language=CN, label=图9, caption=
OP30工序零件翻边成形仿真结果, figureFileSmall=rTvFE3npPcAilBp5H40VZQ==, figureFileBig=YzI5UMto7gGCxG56NxWDYw==, tableContent=null), ArticleFig(id=1210637315676958728, tenantId=1146029695717560320, journalId=1189873562199433220, articleId=1210383067907224122, language=EN, label=null, caption=null, figureFileSmall=szWzpMlBshw3fs32gY4k/g==, figureFileBig=epQmUVoh1V5TRmiaDKT30A==, tableContent=null), ArticleFig(id=1210637315748261897, tenantId=1146029695717560320, journalId=1189873562199433220, articleId=1210383067907224122, language=CN, label=图10, caption=
零件翻边开裂位置的应变路径, figureFileSmall=szWzpMlBshw3fs32gY4k/g==, figureFileBig=epQmUVoh1V5TRmiaDKT30A==, tableContent=null), ArticleFig(id=1210637315802787850, tenantId=1146029695717560320, journalId=1189873562199433220, articleId=1210383067907224122, language=EN, label=null, caption=null, figureFileSmall=/AWH6vVjQA8YqiArvUyUGw==, figureFileBig=4WW7OCUIhi5Jgeh1LP7RXA==, tableContent=null), ArticleFig(id=1210637315869896715, tenantId=1146029695717560320, journalId=1189873562199433220, articleId=1210383067907224122, language=CN, label=图11, caption=
开裂位置主应变的影响参数, figureFileSmall=/AWH6vVjQA8YqiArvUyUGw==, figureFileBig=4WW7OCUIhi5Jgeh1LP7RXA==, tableContent=null), ArticleFig(id=1210637315941199884, tenantId=1146029695717560320, journalId=1189873562199433220, articleId=1210383067907224122, language=EN, label=null, caption=null, figureFileSmall=Y83RcLsOtScoHIye6a3yaQ==, figureFileBig=N5NQdG70Fvdn40n1A9VoLQ==, tableContent=null), ArticleFig(id=1210637316008308749, tenantId=1146029695717560320, journalId=1189873562199433220, articleId=1210383067907224122, language=CN, label=图12, caption=
开裂位置次应变的影响参数, figureFileSmall=Y83RcLsOtScoHIye6a3yaQ==, figureFileBig=N5NQdG70Fvdn40n1A9VoLQ==, tableContent=null), ArticleFig(id=1210637316096389134, tenantId=1146029695717560320, journalId=1189873562199433220, articleId=1210383067907224122, language=EN, label=null, caption=null, figureFileSmall=6NzZkroNt9IF8yykepa+DA==, figureFileBig=VmyENYJcxHWWRkx+GQdzFQ==, tableContent=null), ArticleFig(id=1210637316155109391, tenantId=1146029695717560320, journalId=1189873562199433220, articleId=1210383067907224122, language=CN, label=图13, caption=
原方案优化后的冲压仿真结果, figureFileSmall=6NzZkroNt9IF8yykepa+DA==, figureFileBig=VmyENYJcxHWWRkx+GQdzFQ==, tableContent=null), ArticleFig(id=1210637316209635344, tenantId=1146029695717560320, journalId=1189873562199433220, articleId=1210383067907224122, language=EN, label=null, caption=null, figureFileSmall=+uosa4hzGBH06zoc8IQY/g==, figureFileBig=+OR+nSWSIBbdXmU/mAYdJQ==, tableContent=null), ArticleFig(id=1210637316268355601, tenantId=1146029695717560320, journalId=1189873562199433220, articleId=1210383067907224122, language=CN, label=图14, caption=
r值与开裂位置主、次应变的关系, figureFileSmall=+uosa4hzGBH06zoc8IQY/g==, figureFileBig=+OR+nSWSIBbdXmU/mAYdJQ==, tableContent=null), ArticleFig(id=1210637316335464466, tenantId=1146029695717560320, journalId=1189873562199433220, articleId=1210383067907224122, language=EN, label=null, caption=null, figureFileSmall=52pEZqGtAtz5wB4T1+5IRQ==, figureFileBig=TL5ZWpGMHs9aL/AZNK/GRw==, tableContent=null), ArticleFig(id=1210637316389990419, tenantId=1146029695717560320, journalId=1189873562199433220, articleId=1210383067907224122, language=CN, label=图15, caption=
n值与开裂位置主、次应变的关系, figureFileSmall=52pEZqGtAtz5wB4T1+5IRQ==, figureFileBig=TL5ZWpGMHs9aL/AZNK/GRw==, tableContent=null), ArticleFig(id=1210637316452904980, tenantId=1146029695717560320, journalId=1189873562199433220, articleId=1210383067907224122, language=EN, label=null, caption=null, figureFileSmall=tXpz52bx8jrPXhMb73Wdzw==, figureFileBig=zBEVzQgcO4KmjEUOlv5BGg==, tableContent=null), ArticleFig(id=1210637316578734101, tenantId=1146029695717560320, journalId=1189873562199433220, articleId=1210383067907224122, language=CN, label=图16, caption=
屈服强度与开裂位置主、次应变的关系, figureFileSmall=tXpz52bx8jrPXhMb73Wdzw==, figureFileBig=zBEVzQgcO4KmjEUOlv5BGg==, tableContent=null), ArticleFig(id=1210637316633260054, tenantId=1146029695717560320, journalId=1189873562199433220, articleId=1210383067907224122, language=EN, label=null, caption=null, figureFileSmall=gU4sT7IIylo3khRvGc48fQ==, figureFileBig=t2u3xmfsAkS8Fqttxlvptg==, tableContent=null), ArticleFig(id=1210637316687786007, tenantId=1146029695717560320, journalId=1189873562199433220, articleId=1210383067907224122, language=CN, label=图17, caption=
板料厚度与开裂位置主、次应变的关系, figureFileSmall=gU4sT7IIylo3khRvGc48fQ==, figureFileBig=t2u3xmfsAkS8Fqttxlvptg==, tableContent=null), ArticleFig(id=1210637316733923352, tenantId=1146029695717560320, journalId=1189873562199433220, articleId=1210383067907224122, language=EN, label=null, caption=null, figureFileSmall=bVLpRmfe4BxpyoZ4+7m8iA==, figureFileBig=bmadu0evYurLPJtcLjcCNQ==, tableContent=null), ArticleFig(id=1210637316796837913, tenantId=1146029695717560320, journalId=1189873562199433220, articleId=1210383067907224122, language=CN, label=图18, caption=
摩擦因数与开裂位置主、次应变的关系, figureFileSmall=bVLpRmfe4BxpyoZ4+7m8iA==, figureFileBig=bmadu0evYurLPJtcLjcCNQ==, tableContent=null), ArticleFig(id=1210637316851363866, tenantId=1146029695717560320, journalId=1189873562199433220, articleId=1210383067907224122, language=EN, label=null, caption=null, figureFileSmall=qXshsrJ5TKN6+0oDYWY8VQ==, figureFileBig=QbFlJVg0eJ2rN9hjbQnV3A==, tableContent=null), ArticleFig(id=1210637316910084123, tenantId=1146029695717560320, journalId=1189873562199433220, articleId=1210383067907224122, language=CN, label=图19, caption=
OP20工序压料力与开裂位置主、次应变的关系, figureFileSmall=qXshsrJ5TKN6+0oDYWY8VQ==, figureFileBig=QbFlJVg0eJ2rN9hjbQnV3A==, tableContent=null), ArticleFig(id=1210637316981387292, tenantId=1146029695717560320, journalId=1189873562199433220, articleId=1210383067907224122, language=EN, label=null, caption=null, figureFileSmall=jS7SOoj6BoqoWA/Wl2KpVw==, figureFileBig=9y3lhCSn37mP73hfEN9sdg==, tableContent=null), ArticleFig(id=1210637317035913245, tenantId=1146029695717560320, journalId=1189873562199433220, articleId=1210383067907224122, language=CN, label=图20, caption=
OP30工序压料力与开裂位置主、次应变的关系, figureFileSmall=jS7SOoj6BoqoWA/Wl2KpVw==, figureFileBig=9y3lhCSn37mP73hfEN9sdg==, tableContent=null), ArticleFig(id=1210637317103022110, tenantId=1146029695717560320, journalId=1189873562199433220, articleId=1210383067907224122, language=EN, label=null, caption=null, figureFileSmall=z02n4HbAv/8kbV8+Ybl+pA==, figureFileBig=Qw7qQFcp3nNWBt9OjuCJ5g==, tableContent=null), ArticleFig(id=1210637317178519583, tenantId=1146029695717560320, journalId=1189873562199433220, articleId=1210383067907224122, language=CN, label=图21, caption=
方案1冲压工艺优化方案, figureFileSmall=z02n4HbAv/8kbV8+Ybl+pA==, figureFileBig=Qw7qQFcp3nNWBt9OjuCJ5g==, tableContent=null), ArticleFig(id=1210637317241434144, tenantId=1146029695717560320, journalId=1189873562199433220, articleId=1210383067907224122, language=EN, label=null, caption=null, figureFileSmall=aocTTR0i5MqOq93IE7AcZQ==, figureFileBig=Q0a3+P2EXEpdECPOEEWGXg==, tableContent=null), ArticleFig(id=1210637317304348705, tenantId=1146029695717560320, journalId=1189873562199433220, articleId=1210383067907224122, language=CN, label=图22, caption=
采用方案1的冲压仿真结果, figureFileSmall=aocTTR0i5MqOq93IE7AcZQ==, figureFileBig=Q0a3+P2EXEpdECPOEEWGXg==, tableContent=null), ArticleFig(id=1210637317417594914, tenantId=1146029695717560320, journalId=1189873562199433220, articleId=1210383067907224122, language=EN, label=null, caption=null, figureFileSmall=T02rA7ztx6KeLK/ooETZ9g==, figureFileBig=Y7QDl/rMw2qamN0aQMjGTQ==, tableContent=null), ArticleFig(id=1210637317522452515, tenantId=1146029695717560320, journalId=1189873562199433220, articleId=1210383067907224122, language=CN, label=图23, caption=
方案2冲压工艺优化方案, figureFileSmall=T02rA7ztx6KeLK/ooETZ9g==, figureFileBig=Y7QDl/rMw2qamN0aQMjGTQ==, tableContent=null), ArticleFig(id=1210637317593755684, tenantId=1146029695717560320, journalId=1189873562199433220, articleId=1210383067907224122, language=EN, label=null, caption=null, figureFileSmall=ztQ7DDOUUkyHTj+69YnfCw==, figureFileBig=Saiaj6lP3VnwCrRuhdMrWQ==, tableContent=null), ArticleFig(id=1210637318789132325, tenantId=1146029695717560320, journalId=1189873562199433220, articleId=1210383067907224122, language=CN, label=图24, caption=
采用方案2的冲压仿真结果, figureFileSmall=ztQ7DDOUUkyHTj+69YnfCw==, figureFileBig=Saiaj6lP3VnwCrRuhdMrWQ==, tableContent=null), ArticleFig(id=1210637318847852582, tenantId=1146029695717560320, journalId=1189873562199433220, articleId=1210383067907224122, language=EN, label=null, caption=null, figureFileSmall=CSIKiNCIxg+Cy6EGEwbISA==, figureFileBig=3B6irjfD0d1eeBgU4pJqfQ==, tableContent=null), ArticleFig(id=1210637318910767143, tenantId=1146029695717560320, journalId=1189873562199433220, articleId=1210383067907224122, language=CN, label=图25, caption=
横梁的实际冲压结果, figureFileSmall=CSIKiNCIxg+Cy6EGEwbISA==, figureFileBig=3B6irjfD0d1eeBgU4pJqfQ==, tableContent=null), ArticleFig(id=1210637318973681704, tenantId=1146029695717560320, journalId=1189873562199433220, articleId=1210383067907224122, language=EN, label=null, caption=null, figureFileSmall=null, figureFileBig=null, tableContent=
| 序号 | 加工方式 | 方向 /(°) | 厚度 /mm | 屈服强度/MPa | 抗拉强度/MPa | 均匀伸长率/% | 断裂伸长率/% |
| 1 | 铣削 | 0 | 1.8 | 456.7 | 535.0 | 13.4 | 22.8 |
| 2 | 45 | 1.8 | 471.5 | 518.9 | 13.6 | 27.5 |
| 3 | 90 | 1.8 | 511.5 | 565.5 | 12.4 | 22.0 |
| 4 | 冲裁 | 0 | 1.8 | 468.6 | 539.3 | 13.1 | 23.2 |
| 5 | 45 | 1.8 | 474.4 | 517.2 | 13.0 | 26.7 |
| 6 | 90 | 1.8 | 517.5 | 567.4 | 11.3 | 18.0 |
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H420LAD钢板拉伸性能参数
, figureFileSmall=null, figureFileBig=null, tableContent=
| 序号 | 加工方式 | 方向 /(°) | 厚度 /mm | 屈服强度/MPa | 抗拉强度/MPa | 均匀伸长率/% | 断裂伸长率/% |
| 1 | 铣削 | 0 | 1.8 | 456.7 | 535.0 | 13.4 | 22.8 |
| 2 | 45 | 1.8 | 471.5 | 518.9 | 13.6 | 27.5 |
| 3 | 90 | 1.8 | 511.5 | 565.5 | 12.4 | 22.0 |
| 4 | 冲裁 | 0 | 1.8 | 468.6 | 539.3 | 13.1 | 23.2 |
| 5 | 45 | 1.8 | 474.4 | 517.2 | 13.0 | 26.7 |
| 6 | 90 | 1.8 | 517.5 | 567.4 | 11.3 | 18.0 |
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| 影响因素 | 设定值 | 最小值 | 最大值 | 最优值 | 影响因子 |
| 主应变/% | 次应变/% |
板料厚度 /mm | 1.80 | 1.75 | 1.85 | 1.85 | 5 | 1 |
屈服强度 /MPa | 449.7 | 410 | 520 | 520 | 3 | 1 |
| n值 | 0.115 | 0.1 | 0.13 | 0.13 | 1 | 8 |
| r值 | 0.838 | 0.75 | 0.95 | 0.95 | 1 | 35 |
| OP20工序压料力/kN | 200 | 100 | 300 | 100 | 3 | 0 |
| OP30工序压料力/kN | 200 | 100 | 300 | 290 | 4 | 0 |
| 摩擦因数 | 0.15 | 0.12 | 0.17 | 0.167 | 11 | 0 |
), ArticleFig(id=1210637319170813995, tenantId=1146029695717560320, journalId=1189873562199433220, articleId=1210383067907224122, language=CN, label=表2, caption=
零件开裂的影响参数及影响因子
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| 影响因素 | 设定值 | 最小值 | 最大值 | 最优值 | 影响因子 |
| 主应变/% | 次应变/% |
板料厚度 /mm | 1.80 | 1.75 | 1.85 | 1.85 | 5 | 1 |
屈服强度 /MPa | 449.7 | 410 | 520 | 520 | 3 | 1 |
| n值 | 0.115 | 0.1 | 0.13 | 0.13 | 1 | 8 |
| r值 | 0.838 | 0.75 | 0.95 | 0.95 | 1 | 35 |
| OP20工序压料力/kN | 200 | 100 | 300 | 100 | 3 | 0 |
| OP30工序压料力/kN | 200 | 100 | 300 | 290 | 4 | 0 |
| 摩擦因数 | 0.15 | 0.12 | 0.17 | 0.167 | 11 | 0 |
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