Article(id=1309475268750827707, tenantId=1146029695717560320, journalId=1189873562199433220, issueId=1309475253038964788, articleNumber=null, orderNo=null, doi=10.19710/J.cnki.1003-8817.20250166, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=null, receivedDate=null, receivedDateStr=null, revisedDate=null, revisedDateStr=null, acceptedDate=null, acceptedDateStr=null, onlineDate=1790132832944, onlineDateStr=2026-09-23, pubDate=1771516800000, pubDateStr=2026-02-20, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1790132832944, onlineIssueDateStr=2026-09-23, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1790132832944, creator=13701087609, updateTime=1790132832944, updator=13701087609, issue=Issue{id=1309475253038964788, tenantId=1146029695717560320, journalId=1189873562199433220, year='2026', volume='', issue='2', pageStart='1', pageEnd='72', issueExtLink='null', onlineDate='null', pubDate='1771516800000', pubDateStr='2026-02-20', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=0, createTime=1790132829198, creator='13701087609', updateTime=1790133031676, updator='13701087609', preIssue=null, nextIssue=null, articleTotal=null, ext={EN=IssueExt(id=1309476102360367135, tenantId=1146029695717560320, journalId=1189873562199433220, issueId=1309475253038964788, language=EN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1309476102360367136, tenantId=1146029695717560320, journalId=1189873562199433220, issueId=1309475253038964788, language=CN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null, downloadFileDto=null}, startPage=50, endPage=57, ext={EN=ArticleExt(id=1309475268901822652, articleId=1309475268750827707, tenantId=1146029695717560320, journalId=1189873562199433220, language=EN, title=Study on Optimization of Hemming Process for Automotive Closures Based on FE Analysis, columnId=null, journalTitle=Automobile Technology & Material, columnName=null, runingTitle=null, highlight=null, articleAbstract=

To improve the reliability of hemming processes for automotive closure panels and prevent appearance defects, the hemming processes of the hood, front door, and rear door assemblies are analyzed during the process design phase using AutoForm software and CAE numerical simulation technology. 2 rounds of hemming simulation and 1 round of simulation validation are conducted, yielding the following results: The first simulation identifies the location, extent, and severity of wrinkling in the 3 assemblies. The second simulation addresses the wrinkling defects by adjusting roller parameters and flange lengths, achieving a 100% qualification rate for both gap and flushness simulations across all 3 assemblies, with the rear door gap qualification rate increasing by 27.78 percentage points. Validation results show strong correspondence between the measured data and the first simulation: the hood gap control qualification rate is 86.21%, while the front and rear door assemblies achieved 100% gap control qualification. The overall consistency between measured and simulation results exceed 95%. The flushness qualification rates for the hood, front door, and rear door are 67.24%, 67.86%, and 97.22%, respectively. However, the consistency between measured and simulation results for the hood and front door is below 81%, primarily due to the absence of chain analysis and the inability of ideal numerical simulations to account for stamping stress and forming tolerances.

, authors=Jianrong Xu, Yucheng Zhang, Yaokai Zheng, Xiaojun Ye, Bo Wang, Chundi Lai, authorsList=Jianrong Xu, Yucheng Zhang, Yaokai Zheng, Xiaojun Ye, Bo Wang, Chundi Lai, authorCompany=null, correspAuthors=Yucheng Zhang, authorNote=null, correspAuthorsNote=null, copyrightStatement=null, copyrightOwner=null, extLink=null, articleAbsUrl=null, sourceXml=null, magXml=null, pdfUrl=null, pdf=null, pdfFileSize=null, pdfExtLink=null, richHtmlUrl=null, mobilePdfUrl=null, reviewReport=null, pdfFirstPage=null, abstractGraph=null, abstractGraphContent=null, abstractVideo=null, citation=null, cebUrl=null, magXmlContent=null, mapNumber=null, fund=null), CN=ArticleExt(id=1309475269161869501, articleId=1309475268750827707, tenantId=1146029695717560320, journalId=1189873562199433220, language=CN, title=基于有限元分析的开闭件滚边工艺优化研究, columnId=1190284220841955836, journalTitle=汽车工艺与材料, columnName=生产现场, runingTitle=null, highlight=null, articleAbstract=

为提升车身开闭件滚边工艺可靠性、避免外观缺陷，在工艺设计阶段，基于AutoForm软件与CAE数值仿真技术，对发动机罩、前门、后门三大总成的滚边工艺进行分析，先后完成2轮滚边仿真分析及1轮仿真验证，结果如下：首轮仿真明确三大总成起皱区域的位置、范围及严重程度；第2轮仿真针对起皱缺陷，调整滚轮参数、法兰边长度等，使三大总成间隙与面差仿真合格率均达到100%，后门间隙合格率提升27.78百分点。仿真验证显示，实测结果与第2轮仿真结果对应性良好：发动机罩间隙控制合格率为86.21%，前、后门总成间隙控制合格率为100%，整体实测结果与仿真结果符合率高于95%；发动机罩、前门、后门面差合格率分别为67.24%、67.86%、97.22%，且发动机罩、前门实测结果与仿真结果符合率低于81%，原因是未采用链式分析，理想数模仿真无法反映冲压应力与成形公差。

, authors=徐建蓉, 张玉成, 郑耀凯, 叶小军, 王博, 赖春地, authorsList=徐建蓉, 张玉成, 郑耀凯, 叶小军, 王博, 赖春地, authorCompany=null, correspAuthors=张玉成, authorNote=, correspAuthorsNote=, copyrightStatement=null, copyrightOwner=null, extLink=null, articleAbsUrl=null, sourceXml=e2BPEsHgDiOOc3jYlzd29A==, magXml=2vJdhqHZldznXOa+Qr7UJw==, pdfUrl=null, pdf=uwrrk8cvPCg5LnpviXrLHg==, pdfFileSize=9087653, pdfExtLink=null, richHtmlUrl=null, mobilePdfUrl=null, reviewReport=null, pdfFirstPage=null, abstractGraph=null, abstractGraphContent=null, abstractVideo=null, citation=null, cebUrl=null, magXmlContent=QOWgyr33Jioxvazt/C43Mg==, mapNumber=null, fund=null)}, authors=[Author(id=1309475269438693570, tenantId=1146029695717560320, journalId=1189873562199433220, articleId=1309475268750827707, orderNo=0, firstName=null, middleName=null, lastName=null, nameCn=null, orcid=null, stid=null, country=null, authorPic=null, dead=0, email=null, emailSecond=null, emailThird=null, correspondingAuthor=0, authorType=1, ext={EN=AuthorExt(id=1309475271149969604, tenantId=1146029695717560320, journalId=1189873562199433220, articleId=1309475268750827707, authorId=1309475269438693570, language=EN, stringName=Jianrong Xu, firstName=Jianrong, middleName=null, lastName=Xu, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=null, address=Seres Automobile Company Limted, Chongqing 400038, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null), CN=AuthorExt(id=1309475271221272773, tenantId=1146029695717560320, journalId=1189873562199433220, articleId=1309475268750827707, authorId=1309475269438693570, language=CN, stringName=徐建蓉, firstName=null, middleName=null, lastName=null, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=null, address=赛力斯汽车有限公司，重庆 400038, bio={"content":"

徐建蓉（1997—），女，硕士学位，研究方向为白车身同步工程。

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徐建蓉（1997—），女，硕士学位，研究方向为白车身同步工程。

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