Article(id=1202253152377593941, tenantId=1146029695717560320, journalId=1189873562199433220, issueId=1202253150423048242, articleNumber=null, orderNo=null, doi=10.19710/J.cnki.1003-8817.20220240, 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=1764569088309, onlineDateStr=2025-12-01, pubDate=1679241600000, pubDateStr=2023-03-20, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1764569088309, onlineIssueDateStr=2025-12-01, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1764569088309, creator=13701087609, updateTime=1764569088309, updator=13701087609, issue=Issue{id=1202253150423048242, tenantId=1146029695717560320, journalId=1189873562199433220, year='2023', volume='', issue='3', 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=1764569087844, creator=13701087609, updateTime=1764576244268, updator=13701087609, preIssue=null, nextIssue=null, ext={EN=IssueExt(id=1202283166695387462, tenantId=1146029695717560320, journalId=1189873562199433220, issueId=1202253150423048242, language=EN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1202283166695387463, tenantId=1146029695717560320, journalId=1189873562199433220, issueId=1202253150423048242, language=CN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null}, startPage=35, endPage=38, ext={EN=ArticleExt(id=1202253153589747810, articleId=1202253152377593941, tenantId=1146029695717560320, journalId=1189873562199433220, language=EN, title=Research on Corner Cracking of Hot-Formed Parts, columnId=null, journalTitle=Automobile Technology & Material, columnName=null, runingTitle=null, highlight=null, articleAbstract=
This article introduced corner cracking of A-pillar hot-stamped part of a vehicle model. Simulation analysis reveals no cracking crisis in stamped part, whereas parts crack in actual industrialization. Cracking mainly incurs at the convex corner with long flange surface. The cause of cracking was analyzed by comparing forming status of parts at cracking position and stamping simulation & analysis parameters, the factors leading to corner cracking of hot-stamped parts were summarized, and simulation & analysis strategy of such parts in stamping was also summarized, the solution of corner cracking was introduced both in product and process perspectives.
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介绍了某车型A柱热成形件在工业化中的转角开裂问题,冲压成形性仿真分析零件不存在开裂的风险,但零件实际工业化中开裂。开裂主要发生在外凸转角且有长法兰面的位置,通过对比零件开裂位置成形状态与冲压仿真分析参数,分析了问题产生的原因,总结了热成形零件转角开裂问题的影响因素,总结了此类零件冲压成形性仿真分析策略,分别从产品和工艺角度阐述了解决方案。
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许天宇(1984—),男,工程师,学士学位,研究方向为车身产品的开发和制造工艺。
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许天宇(1984—),男,工程师,学士学位,研究方向为车身产品的开发和制造工艺。
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许天宇(1984—),男,工程师,学士学位,研究方向为车身产品的开发和制造工艺。
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汽车工艺与材料,
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上海汽车,
2016(3): 58-62., articleTitle=车身热成型开发应用, refAbstract=null), Reference(id=1202253163966456261, tenantId=1146029695717560320, journalId=1189873562199433220, articleId=1202253152377593941, doi=null, pmid=null, pmcid=null, year=2020, volume=null, issue=4, pageStart=36, pageEnd=44, url=null, language=null, rfNumber=[3], rfOrder=2, authorNames=王达鹏, 曲智, 杨庆波, journalName=汽车工艺与材料, refType=null, unstructuredReference=王达鹏, 曲智, 杨庆波, 等. 汽车车身热冲压成型技术的应用和质量控制综述[J].
汽车工艺与材料,
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某车型A柱内板产品示意, figureFileSmall=mema6IZNhn0xcTMvWEEffQ==, figureFileBig=pWr92qKw79vfiaPkHxisOA==, tableContent=null), ArticleFig(id=1202253161005277586, tenantId=1146029695717560320, journalId=1189873562199433220, articleId=1202253152377593941, language=EN, label=null, caption=null, figureFileSmall=4FLiOniVqtl2pt+nP703oA==, figureFileBig=WFO98mpPFTtUIC+reN7OvQ==, tableContent=null), ArticleFig(id=1202253161101746580, tenantId=1146029695717560320, journalId=1189873562199433220, articleId=1202253152377593941, language=CN, label=图2, caption=
某车型A柱内板冲压成形性仿真分析结果, figureFileSmall=4FLiOniVqtl2pt+nP703oA==, figureFileBig=WFO98mpPFTtUIC+reN7OvQ==, tableContent=null), ArticleFig(id=1202253161194021271, tenantId=1146029695717560320, journalId=1189873562199433220, articleId=1202253152377593941, language=EN, label=null, caption=null, figureFileSmall=U6SB2Zo2loNJJtGmpYNQHA==, figureFileBig=yFjno8Opui0+Gcc+D8nrDA==, tableContent=null), ArticleFig(id=1202253162347454873, tenantId=1146029695717560320, journalId=1189873562199433220, articleId=1202253152377593941, language=CN, label=图3, caption=
某车型A柱内板转角开裂示意, figureFileSmall=U6SB2Zo2loNJJtGmpYNQHA==, figureFileBig=yFjno8Opui0+Gcc+D8nrDA==, tableContent=null), ArticleFig(id=1202253162469089692, tenantId=1146029695717560320, journalId=1189873562199433220, articleId=1202253152377593941, language=EN, label=null, caption=null, figureFileSmall=PLzWehN8jgc71PQQzrqfWg==, figureFileBig=clMnNzZ10uEKU8+LGtNvCQ==, tableContent=null), ArticleFig(id=1202253162561364386, tenantId=1146029695717560320, journalId=1189873562199433220, articleId=1202253152377593941, language=CN, label=图4, caption=
某车型A柱内板模具结构设计, figureFileSmall=PLzWehN8jgc71PQQzrqfWg==, figureFileBig=clMnNzZ10uEKU8+LGtNvCQ==, tableContent=null), ArticleFig(id=1202253162653639073, tenantId=1146029695717560320, journalId=1189873562199433220, articleId=1202253152377593941, language=EN, label=null, caption=null, figureFileSmall=vlJ46sKRwj6TtZsb9mlt7g==, figureFileBig=goQKYs4iAhpVBxDyvJzHxA==, tableContent=null), ArticleFig(id=1202253162754302372, tenantId=1146029695717560320, journalId=1189873562199433220, articleId=1202253152377593941, language=CN, label=图5, caption=
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转角位置材料变形趋势, figureFileSmall=EuFwdQ1NGpVgsn4sfydyGQ==, figureFileBig=0czBbos0MNRwWXxOUvQoDg==, tableContent=null), ArticleFig(id=1202253163022737832, tenantId=1146029695717560320, journalId=1189873562199433220, articleId=1202253152377593941, language=EN, label=null, caption=null, figureFileSmall=wDzV/1Y9otl3IQgz9ovvAw==, figureFileBig=/CKgNOrSn5mrAJIdt2PDHw==, tableContent=null), ArticleFig(id=1202253163081458090, tenantId=1146029695717560320, journalId=1189873562199433220, articleId=1202253152377593941, language=CN, label=图7, caption=
Pad1未设置Gap值的分析结果, figureFileSmall=wDzV/1Y9otl3IQgz9ovvAw==, figureFileBig=/CKgNOrSn5mrAJIdt2PDHw==, tableContent=null), ArticleFig(id=1202253163148566957, tenantId=1146029695717560320, journalId=1189873562199433220, articleId=1202253152377593941, language=EN, label=null, caption=null, figureFileSmall=aOp7XpxMes+tsO49Awj6Lw==, figureFileBig=OSW8MMeqCcRvep0fzrHDGQ==, tableContent=null), ArticleFig(id=1202253163219870127, tenantId=1146029695717560320, journalId=1189873562199433220, articleId=1202253152377593941, language=CN, label=图8, caption=
方案一模具结构, figureFileSmall=aOp7XpxMes+tsO49Awj6Lw==, figureFileBig=OSW8MMeqCcRvep0fzrHDGQ==, tableContent=null), ArticleFig(id=1202253163295367601, tenantId=1146029695717560320, journalId=1189873562199433220, articleId=1202253152377593941, language=EN, label=null, caption=null, figureFileSmall=xGycPC4TRC0xKGbXhvBGvg==, figureFileBig=f+H8gomL2BsA5S+mPUhZAw==, tableContent=null), ArticleFig(id=1202253163404419508, tenantId=1146029695717560320, journalId=1189873562199433220, articleId=1202253152377593941, language=CN, label=图9, caption=
仿真分析结果, figureFileSmall=xGycPC4TRC0xKGbXhvBGvg==, figureFileBig=f+H8gomL2BsA5S+mPUhZAw==, tableContent=null), ArticleFig(id=1202253163471528375, tenantId=1146029695717560320, journalId=1189873562199433220, articleId=1202253152377593941, language=EN, label=null, caption=null, figureFileSmall=GFb3cf1vps+9B+tY+Fajvg==, figureFileBig=MSXjj4kKe1ajDsbijfZzQA==, tableContent=null), ArticleFig(id=1202253163538637242, tenantId=1146029695717560320, journalId=1189873562199433220, articleId=1202253152377593941, language=CN, label=图10, caption=
产品更改方案, figureFileSmall=GFb3cf1vps+9B+tY+Fajvg==, figureFileBig=MSXjj4kKe1ajDsbijfZzQA==, tableContent=null), ArticleFig(id=1202253163618329020, tenantId=1146029695717560320, journalId=1189873562199433220, articleId=1202253152377593941, language=EN, label=null, caption=null, figureFileSmall=null, figureFileBig=null, tableContent=
| 序号 | 整改方案 | 调试结果图片 | 开裂状态 |
| 1 | Pad1的压料间隙由预设的0.5 mm放大到1.0 mm、1.5 mm、3.0 mm |  | 零件开裂,法兰面位置起皱 |
| 2 | Pad1的压料力减小80%、50%、0 |  | 零件开裂 |
| 3 | Pad1的压料行程减小20 mm、35 mm |  | 零件开裂 |
| 4 | 将上Pad2行程降低30 mm |  | 零件开裂 |
| 5 | 将Pad1的压料行程减小35 mm,将板料表面喷涂润滑油 |  | 零件转角位置缩颈、有轻微的细小裂纹。 |
| 6 | 将转角位置坯料长度减小10 mm |  | 零件开裂 |
| 7 | 将零件材料由ALSI镀层板更改为裸板 |  | 零件不开裂 |
), ArticleFig(id=1202253163689632189, tenantId=1146029695717560320, journalId=1189873562199433220, articleId=1202253152377593941, language=CN, label=表1, caption=
工艺调试结果
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| 序号 | 整改方案 | 调试结果图片 | 开裂状态 |
| 1 | Pad1的压料间隙由预设的0.5 mm放大到1.0 mm、1.5 mm、3.0 mm |  | 零件开裂,法兰面位置起皱 |
| 2 | Pad1的压料力减小80%、50%、0 |  | 零件开裂 |
| 3 | Pad1的压料行程减小20 mm、35 mm |  | 零件开裂 |
| 4 | 将上Pad2行程降低30 mm |  | 零件开裂 |
| 5 | 将Pad1的压料行程减小35 mm,将板料表面喷涂润滑油 |  | 零件转角位置缩颈、有轻微的细小裂纹。 |
| 6 | 将转角位置坯料长度减小10 mm |  | 零件开裂 |
| 7 | 将零件材料由ALSI镀层板更改为裸板 |  | 零件不开裂 |
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