Article(id=1153790577184330318, tenantId=1146029695717560320, journalId=1146120084050784272, issueId=1153790299898897185, articleNumber=null, orderNo=null, doi=10.19562/j.chinasae.qcgc.2025.01.016, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=null, receivedDate=1717257600000, receivedDateStr=2024-06-02, revisedDate=1720368000000, revisedDateStr=2024-07-08, acceptedDate=null, acceptedDateStr=null, onlineDate=1753014709993, onlineDateStr=2025-07-20, pubDate=1737734400000, pubDateStr=2025-01-25, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1753014709993, onlineIssueDateStr=2025-07-20, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1753014709993, creator=13701087609, updateTime=1753014709993, updator=13701087609, issue=Issue{id=1153790299898897185, tenantId=1146029695717560320, journalId=1146120084050784272, year='2025', volume='47', issue='1', pageStart='1', pageEnd='200', issueExtLink='null', onlineDate='null', pubDate='null', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=0, articleOrder=1, issueType=-1, specialIssue=null, createTime=1753014643882, creator=13701087609, updateTime=1753067424351, updator=13701087609, preIssue=null, nextIssue=null, ext={EN=IssueExt(id=1154011677273084824, tenantId=1146029695717560320, journalId=1146120084050784272, issueId=1153790299898897185, language=EN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1154011677273084825, tenantId=1146029695717560320, journalId=1146120084050784272, issueId=1153790299898897185, language=CN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null}, startPage=161, endPage=167, ext={EN=ArticleExt(id=1153790577515680335, articleId=1153790577184330318, tenantId=1146029695717560320, journalId=1146120084050784272, language=EN, title=Research and Application of Process Integration Design Method for Body-in-White Shock Tower, columnId=null, journalTitle=Automotive Engineering, columnName=null, runingTitle=null, highlight=null, articleAbstract=
Aluminum alloy integrated die-casting technology is an important means to achieve automotive lightweight. In this paper,structure optimization,molding simulation technology,die-casting technology are adopted for "material-structure-process" integrated design and manufacture of shock tower. Firstly,combined with extensive design experience,the three-dimensional data of the shock tower is determined through performance objectives,material selection and structural design. Subsequently,the performance analysis of the shock tower is conducted to ensure that the performance objectives are met,and the mold flow analysis of the temperature and velocity fields is conducted based on the designed mold structure,and optimization measures are proposed. Finally,the parts trial production is carried out to conclude problems and analyze causes,and propose solutions to form the shock tower development process. The study shows that the weight reduction rate of the shock tower reaches 16.5% while meeting the requirements of various performance indexes. The integrated design method is feasible,provides the industry with the ability to analyze the whole process and actual production experience,and enhances the confidence of manufacturers in adopting integrated die-casting technology.
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*, columnId=null, journalTitle=汽车工程, columnName=null, runingTitle=null, highlight=null, articleAbstract=
铝合金一体化压铸技术是实现汽车轻量化的重要手段。本文采用结构优化、成型仿真技术、压铸工艺对减震塔进行“材料-结构-工艺”一体化设计制造。首先,结合大量设计经验,通过性能目标和材料选择及结构设计,确定减震塔的三维数据。随后,对减震塔进行性能分析确保满足性能目标,并根据所设计的模具结构进行温度场和速度场的成型制造模流分析,并提出优化措施。最后,对零件进行试制,总结问题并分析原因,提出解决方法,形成减震塔全流程开发过程。研究表明减震塔轻量率达到16.5%,并满足性能要求。该一体化设计方法具有可行性,为行业提供了全流程分析能力与实际生产经验,提升了制造商采用一体化压铸技术的信心。
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1. School of Mechanical Engineering,University of Science and Technology Beijing,Beijing 100083
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1. 北京科技大学机械工程学院,北京 100083
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1. School of Mechanical Engineering,University of Science and Technology Beijing,Beijing 100083
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1. 北京科技大学机械工程学院,北京 100083
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2. 北京科技大学,金属轻量化成形制造北京市重点实验室,北京 100083)])]), Author(id=1170074528425194070, tenantId=1146029695717560320, journalId=1146120084050784272, articleId=1153790577184330318, orderNo=2, 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=1170074528496497241, tenantId=1146029695717560320, journalId=1146120084050784272, articleId=1153790577184330318, authorId=1170074528425194070, language=EN, stringName=Jian Yang, firstName=Jian, middleName=null, lastName=Yang, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=
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1. School of Mechanical Engineering,University of Science and Technology Beijing,Beijing 100083
2. University of Science and Technology Beijing,Beijing Key Laboratory of Metal Lightweight Forming Manufacturing,Beijing 100083, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null), CN=AuthorExt(id=1170074528559411802, tenantId=1146029695717560320, journalId=1146120084050784272, articleId=1153790577184330318, authorId=1170074528425194070, language=CN, stringName=杨健, firstName=null, middleName=null, lastName=null, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=
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1. 北京科技大学机械工程学院,北京 100083
2. 北京科技大学,金属轻量化成形制造北京市重点实验室,北京 100083, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null)}, companyList=[AuthorCompany(id=1170074527326286395, tenantId=1146029695717560320, journalId=1146120084050784272, articleId=1153790577184330318, xref=1., ext=[AuthorCompanyExt(id=1170074527334675004, tenantId=1146029695717560320, journalId=1146120084050784272, articleId=1153790577184330318, companyId=1170074527326286395, language=EN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
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3. Chongqing Changan Automobile Company Limited,Chongqing 400020, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null), CN=AuthorExt(id=1170074528844624479, tenantId=1146029695717560320, journalId=1146120084050784272, articleId=1153790577184330318, authorId=1170074528639103580, language=CN, stringName=曾云波, firstName=null, middleName=null, lastName=null, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=
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3. 重庆长安汽车股份有限公司,重庆 400020, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null)}, companyList=[AuthorCompany(id=1170074527468892737, tenantId=1146029695717560320, journalId=1146120084050784272, articleId=1153790577184330318, xref=3., ext=[AuthorCompanyExt(id=1170074527477281346, tenantId=1146029695717560320, journalId=1146120084050784272, articleId=1153790577184330318, companyId=1170074527468892737, language=EN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
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| 性能 | Silafont-36 | Magsimal-59 |
| 成型性 | 铸造性能良好,适用于薄壁复杂结构件 | 充型及收缩性能稍差 |
| 热处理 | 热处理显著改善力学性能 | 铸态性能高 |
| 脱模 | 不粘模,脱模斜度<1° | 不粘模,脱模斜度<2° |
| 焊接性 | 可进行气体保护电弧焊 | 可进行气体保护电弧焊 |
| 用途 | 疲劳强度高,可用于承受动载荷零件 | 可用于对力学性能高且不须热处理的结构件 |
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结构件铝合金材料性能对比
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| 性能 | Silafont-36 | Magsimal-59 |
| 成型性 | 铸造性能良好,适用于薄壁复杂结构件 | 充型及收缩性能稍差 |
| 热处理 | 热处理显著改善力学性能 | 铸态性能高 |
| 脱模 | 不粘模,脱模斜度<1° | 不粘模,脱模斜度<2° |
| 焊接性 | 可进行气体保护电弧焊 | 可进行气体保护电弧焊 |
| 用途 | 疲劳强度高,可用于承受动载荷零件 | 可用于对力学性能高且不须热处理的结构件 |
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| 化学成分 | 质量分数/% |
| Si | 9.5-11.5 |
| Mg | 0.2-0.5 |
| Fe | <0.20 |
| Mn | 0.3-0.7 |
| Ni | <0.01 |
| Ti | <0.06 |
| Zn | <0.01 |
| Cu | <0.05 |
| Sr | 0.018 8 |
| Al | 余量 |
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AlSi10MnMg材料化学成分
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| 化学成分 | 质量分数/% |
| Si | 9.5-11.5 |
| Mg | 0.2-0.5 |
| Fe | <0.20 |
| Mn | 0.3-0.7 |
| Ni | <0.01 |
| Ti | <0.06 |
| Zn | <0.01 |
| Cu | <0.05 |
| Sr | 0.018 8 |
| Al | 余量 |
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| 工况 | 材料屈服强度/MPa | 最大应力/ MPa | 安全 系数 | 安全系数 目标值 |
| 制动工况 | 164 | 89 | 1.8 | 1.5 |
| 弯曲工况 | 77.15 | 2.1 | 2 |
| 左转工况 | 89.3 | 1.8 | 1.5 |
| 右转工况 | 78.84 | 2.1 | 1.5 |
| 扭转工况 | 86.3 | 1.9 | 1.5 |
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各工况强度分析结果汇总
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| 工况 | 材料屈服强度/MPa | 最大应力/ MPa | 安全 系数 | 安全系数 目标值 |
| 制动工况 | 164 | 89 | 1.8 | 1.5 |
| 弯曲工况 | 77.15 | 2.1 | 2 |
| 左转工况 | 89.3 | 1.8 | 1.5 |
| 右转工况 | 78.84 | 2.1 | 1.5 |
| 扭转工况 | 86.3 | 1.9 | 1.5 |
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| ID | 面积/mm2 | D/mm | W/mm | 浇口宽深比 |
| T1 | 60 | 6.6 | 10.2 | 1.2 |
| T2 | 162 | 10.9 | 16.9 | 1.2 |
| T3 | 162 | 10.9 | 16.9 | 1.2 |
| T4 | 162 | 10.9 | 16.9 | 1.2 |
| T5 | 162 | 10.9 | 16.9 | 1.2 |
| T6 | 54 | 6.5 | 9.4 | 1.1 |
| t1 | 50 | 20 | 2.5 | 1.2 |
| t2 | 135 | 45 | 3 | 1.2 |
| t3 | 135 | 45 | 3 | 1.2 |
| t4 | 135 | 45 | 3 | 1.2 |
| t5 | 135 | 45 | 3 | 1.2 |
| t6 | 45 | 18 | 2.5 | 1.2 |
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压铸工艺参数
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| ID | 面积/mm2 | D/mm | W/mm | 浇口宽深比 |
| T1 | 60 | 6.6 | 10.2 | 1.2 |
| T2 | 162 | 10.9 | 16.9 | 1.2 |
| T3 | 162 | 10.9 | 16.9 | 1.2 |
| T4 | 162 | 10.9 | 16.9 | 1.2 |
| T5 | 162 | 10.9 | 16.9 | 1.2 |
| T6 | 54 | 6.5 | 9.4 | 1.1 |
| t1 | 50 | 20 | 2.5 | 1.2 |
| t2 | 135 | 45 | 3 | 1.2 |
| t3 | 135 | 45 | 3 | 1.2 |
| t4 | 135 | 45 | 3 | 1.2 |
| t5 | 135 | 45 | 3 | 1.2 |
| t6 | 45 | 18 | 2.5 | 1.2 |
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| 循环工艺 |
| 工序 | 合模 | 浇料 | 压射 | 留模 | 开模 | 取件 | 喷涂 | 周期 |
| 时间 | 11 s | 17 s | 4 s | 18 s | 11 s | 10 s | 24 s | 95 s |
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工艺时长设置
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| 循环工艺 |
| 工序 | 合模 | 浇料 | 压射 | 留模 | 开模 | 取件 | 喷涂 | 周期 |
| 时间 | 11 s | 17 s | 4 s | 18 s | 11 s | 10 s | 24 s | 95 s |
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| 图示 | 问题 | 产生原因 | 解决方法 |
 | 产品出模拉伤 | 局部挤压销未启用 | 保样阶段暂不启用挤压销 |
 | 取件时模具右侧型腔主渣包留定模 | 排气支在定模侧抱紧力大于动模侧 | 内浇口厚度增加至3 mm,模具返厂维护 |
 | 主平面浇口附近大面积缩松 | 增压未起到作用 | 调整当前设备增压参数设计,增压延时为60 ms左右 |
 | 热处理后铸件表面流痕明显位置表面起泡严重 | 脱模剂喷涂量太大,导致模具型腔尾端有残留 | 调整该处喷涂方案,调整脱模剂喷涂量 |
 | 产品出模后右型腔减震塔主平面翘曲变形 | 模温油输入温度过高,不匹配当前模具材质和工艺 | 降低模温油控制温度,调至约100 ℃ |
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试制问题及整改措施
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| 图示 | 问题 | 产生原因 | 解决方法 |
 | 产品出模拉伤 | 局部挤压销未启用 | 保样阶段暂不启用挤压销 |
 | 取件时模具右侧型腔主渣包留定模 | 排气支在定模侧抱紧力大于动模侧 | 内浇口厚度增加至3 mm,模具返厂维护 |
 | 主平面浇口附近大面积缩松 | 增压未起到作用 | 调整当前设备增压参数设计,增压延时为60 ms左右 |
 | 热处理后铸件表面流痕明显位置表面起泡严重 | 脱模剂喷涂量太大,导致模具型腔尾端有残留 | 调整该处喷涂方案,调整脱模剂喷涂量 |
 | 产品出模后右型腔减震塔主平面翘曲变形 | 模温油输入温度过高,不匹配当前模具材质和工艺 | 降低模温油控制温度,调至约100 ℃ |
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| 名称 | 钢制材料/kg | 铝压铸材料/kg | 轻量率/% |
| 减震塔 | 2.852 | 2.448 | 16.5 |
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钢制减震塔和铝合金压铸减震塔实际质量对比表
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| 名称 | 钢制材料/kg | 铝压铸材料/kg | 轻量率/% |
| 减震塔 | 2.852 | 2.448 | 16.5 |
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| 序号 | 抗拉强度/MPa | 屈服强度/MPa | 断裂延伸率/% |
| 1 | 190 | 127 | 11.0 |
| 2 | 186 | 119 | 13.0 |
| 3 | 189 | 113 | 15.5 |
| 4 | 190 | 184 | 16.0 |
| 5 | 192 | 134 | 18.5 |
| 6 | 197 | 134 | 16.0 |
| 7 | 184 | 125 | 15.0 |
| 8 | 189 | 131 | 15.0 |
| 平均值 | 189.6 | 133.4 | 15.1 |
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力学性能测试
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| 序号 | 抗拉强度/MPa | 屈服强度/MPa | 断裂延伸率/% |
| 1 | 190 | 127 | 11.0 |
| 2 | 186 | 119 | 13.0 |
| 3 | 189 | 113 | 15.5 |
| 4 | 190 | 184 | 16.0 |
| 5 | 192 | 134 | 18.5 |
| 6 | 197 | 134 | 16.0 |
| 7 | 184 | 125 | 15.0 |
| 8 | 189 | 131 | 15.0 |
| 平均值 | 189.6 | 133.4 | 15.1 |
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