Article(id=1185887588960322468, tenantId=1146029695717560320, journalId=1185652524569653253, issueId=1185882038939825058, articleNumber=1009-5438(2025)03-0050-04, orderNo=null, doi=null, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=null, receivedDate=1740758400000, receivedDateStr=2025-03-01, revisedDate=null, revisedDateStr=null, acceptedDate=null, acceptedDateStr=null, onlineDate=1760667233933, onlineDateStr=2025-10-17, pubDate=1750780800000, pubDateStr=2025-06-25, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1760667233933, onlineIssueDateStr=2025-10-17, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1760667233933, creator=13701087609, updateTime=1760667233933, updator=13701087609, issue=Issue{id=1185882038939825058, tenantId=1146029695717560320, journalId=1185652524569653253, year='2025', volume='51', issue='3', pageStart='1', pageEnd='98', issueExtLink='null', onlineDate='null', pubDate='null', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=0, createTime=1760665910706, creator=13701087609, updateTime=1764316917348, updator=13701087609, preIssue=null, nextIssue=null, ext={EN=IssueExt(id=1201195470770102709, tenantId=1146029695717560320, journalId=1185652524569653253, issueId=1185882038939825058, language=EN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1201195470770102710, tenantId=1146029695717560320, journalId=1185652524569653253, issueId=1185882038939825058, language=CN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null}, startPage=50, endPage=53, ext={EN=ArticleExt(id=1187122785097761249, articleId=1185887588960322468, tenantId=1146029695717560320, journalId=1185652524569653253, language=EN, title=Influencing Factors and Control Methods for Fluctuation of Bottom Width Size for 60 kg/m 100 m High Speed Rail, columnId=1187095652984042303, journalTitle=Science & Technology of Baotou Steel, columnName=Variety Quality and Experimental Study, runingTitle=null, highlight=null, articleAbstract=
The effects of dimension precision of rails on stable operations of high speed train are important as well as the fluctuation of bottom width size for 60 kg/m 100 m high speed rail influences its production, delivery and use. The control methods are proposed from such four aspects as heating of billets, pass design, rolling parameters and tension of continuous mill through analyzing the main influencing factors that cause fluctuation of bottom width size for high speed rail in rolling process. The implementation effects showed that the fluctuation range of bottom width size for rail could be narrowed as well as product quality and production efficiency of rail could be improved with correct and appropriate control methods.
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钢轨尺寸精度对于高速列车的稳定运行有重要的影响,60 kg/m百米高速钢轨底宽尺寸波动影响钢轨生产与交付使用。通过分析高速钢轨在轧制过程中造成底宽尺寸波动的主要影响因素,从钢坯加热、孔型设计、轧制参数和连轧机张力四个方面提出了控制方法。实施效果表明,控制方法正确得当,缩小了钢轨底宽尺寸波动范围,提高了钢轨产品质量和生产效率。
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张勇军(1985-),男,内蒙古包头市人,工程师,现从事轧钢技术管理工作。
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张勇军(1985-),男,内蒙古包头市人,工程师,现从事轧钢技术管理工作。
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包钢科技,
2023,
49(3):67-71., articleTitle=国内重轨生产工艺现状, refAbstract=null)], funds=null, companyList=[AuthorCompany(id=1187122972532818667, tenantId=1146029695717560320, journalId=1185652524569653253, articleId=1185887588960322468, xref=null, ext=[AuthorCompanyExt(id=1187122972541207276, tenantId=1146029695717560320, journalId=1185652524569653253, articleId=1185887588960322468, companyId=1187122972532818667, language=EN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=1. Rail and Beam Rolling Plant of Inner Mongolia Baotou Steel Union Co., Ltd., Baotou 014010,Inner Mongolia Autonomous Region, China), AuthorCompanyExt(id=1187122972549595885, tenantId=1146029695717560320, journalId=1185652524569653253, articleId=1185887588960322468, companyId=1187122972532818667, language=CN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=1.内蒙古包钢钢联股份有限公司轨梁轧钢厂,内蒙古 包头 014010)]), AuthorCompany(id=1187122972616704750, tenantId=1146029695717560320, journalId=1185652524569653253, articleId=1185887588960322468, xref=null, ext=[AuthorCompanyExt(id=1187122972625093359, tenantId=1146029695717560320, journalId=1185652524569653253, articleId=1185887588960322468, companyId=1187122972616704750, language=EN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=2. Technical Center of Inner Mongolia Baotou Steel Union Co., Ltd., Baotou 014010,Inner Mongolia Autonomous Region, China), AuthorCompanyExt(id=1187122972629287664, tenantId=1146029695717560320, journalId=1185652524569653253, articleId=1185887588960322468, companyId=1187122972616704750, language=CN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=2.内蒙古包钢钢联股份有限公司技术中心,内蒙古 包头 014010)])], figs=[ArticleFig(id=1187122974223123219, tenantId=1146029695717560320, journalId=1185652524569653253, articleId=1185887588960322468, language=EN, label=null, caption=null, figureFileSmall=4s6yFLSAMM0cLg/ODgvcPw==, figureFileBig=UZQyA530cUbQ2uWhlL7KVg==, tableContent=null), ArticleFig(id=1187122974286037780, tenantId=1146029695717560320, journalId=1185652524569653253, articleId=1185887588960322468, language=CN, label=图1, caption=
BD1轧后帽型断面, figureFileSmall=4s6yFLSAMM0cLg/ODgvcPw==, figureFileBig=UZQyA530cUbQ2uWhlL7KVg==, tableContent=null), ArticleFig(id=1187122974361535253, tenantId=1146029695717560320, journalId=1185652524569653253, articleId=1185887588960322468, language=EN, label=null, caption=null, figureFileSmall=QxUEo2VCLQYYsJoXeUw52w==, figureFileBig=tH2Ob/WQpi3gLrLQX+RLAw==, tableContent=null), ArticleFig(id=1187122974424449814, tenantId=1146029695717560320, journalId=1185652524569653253, articleId=1185887588960322468, language=CN, label=图2, caption=
BD2轧制轧件断面变化过程, figureFileSmall=QxUEo2VCLQYYsJoXeUw52w==, figureFileBig=tH2Ob/WQpi3gLrLQX+RLAw==, tableContent=null), ArticleFig(id=1187122974478975767, tenantId=1146029695717560320, journalId=1185652524569653253, articleId=1185887588960322468, language=EN, label=null, caption=null, figureFileSmall=pcLG1zOm0eaa54gppprq9A==, figureFileBig=56YRrxtcWJHqR3Wgl7iX1A==, tableContent=null), ArticleFig(id=1187122974541890328, tenantId=1146029695717560320, journalId=1185652524569653253, articleId=1185887588960322468, language=CN, label=图3, caption=
CCS连轧机轧制过程[3], figureFileSmall=pcLG1zOm0eaa54gppprq9A==, figureFileBig=56YRrxtcWJHqR3Wgl7iX1A==, tableContent=null), ArticleFig(id=1187122974596416281, tenantId=1146029695717560320, journalId=1185652524569653253, articleId=1185887588960322468, language=EN, label=null, caption=null, figureFileSmall=7k2F7TL3fdynDzfzX0R0WA==, figureFileBig=kCiDJclynMId2FYaJs11SQ==, tableContent=null), ArticleFig(id=1187122974650942234, tenantId=1146029695717560320, journalId=1185652524569653253, articleId=1185887588960322468, language=CN, label=图4, caption=
UF轧制示意图, figureFileSmall=7k2F7TL3fdynDzfzX0R0WA==, figureFileBig=kCiDJclynMId2FYaJs11SQ==, tableContent=null), ArticleFig(id=1187122974768382747, tenantId=1146029695717560320, journalId=1185652524569653253, articleId=1185887588960322468, language=EN, label=null, caption=null, figureFileSmall=4LgZorUkNvllrzQicEAdiA==, figureFileBig=NZgBDHPy1DBaoZrwYCkeMQ==, tableContent=null), ArticleFig(id=1187122974839685916, tenantId=1146029695717560320, journalId=1185652524569653253, articleId=1185887588960322468, language=CN, label=图5, caption=
E轧边机轧制示意图, figureFileSmall=4LgZorUkNvllrzQicEAdiA==, figureFileBig=NZgBDHPy1DBaoZrwYCkeMQ==, tableContent=null), ArticleFig(id=1187122974919377693, tenantId=1146029695717560320, journalId=1185652524569653253, articleId=1185887588960322468, language=EN, label=null, caption=null, figureFileSmall=/YlHsRX46IaeYoXACFE2dg==, figureFileBig=hmsSlvsbhRt4fLOFE6u4mg==, tableContent=null), ArticleFig(id=1187122975024235294, tenantId=1146029695717560320, journalId=1185652524569653253, articleId=1185887588960322468, language=CN, label=图6, caption=
BD1帽型孔内金属未充满示意图, figureFileSmall=/YlHsRX46IaeYoXACFE2dg==, figureFileBig=hmsSlvsbhRt4fLOFE6u4mg==, tableContent=null), ArticleFig(id=1187122975099732767, tenantId=1146029695717560320, journalId=1185652524569653253, articleId=1185887588960322468, language=EN, label=null, caption=null, figureFileSmall=9Iyhx34/F/MLxGFTMB1rDw==, figureFileBig=5LoNCv92ZfSpqz78LsGczg==, tableContent=null), ArticleFig(id=1187122975162647328, tenantId=1146029695717560320, journalId=1185652524569653253, articleId=1185887588960322468, language=CN, label=图7, caption=
BD2轧辊孔型示意图, figureFileSmall=9Iyhx34/F/MLxGFTMB1rDw==, figureFileBig=5LoNCv92ZfSpqz78LsGczg==, tableContent=null), ArticleFig(id=1187122975217173281, tenantId=1146029695717560320, journalId=1185652524569653253, articleId=1185887588960322468, language=EN, label=null, caption=null, figureFileSmall=null, figureFileBig=null, tableContent=
| 孔型顺序 | 轨头延伸系数 | 轨腰延伸系数 | 轨底延伸系数 | 轨底宽度尺寸/mm |
| 1孔 | 1.2~1.3 | 1.1~1.2 | 1.2~1.3 | 215~220 |
| 2孔 | 1.3~1.4 | 1.1~1.3 | 1.3~1.4 | 180~190 |
| 3孔 | 1.1~1.3 | 1.2~1.3 | 1.1~1.3 | 155~160 |
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BD2孔型参数优化设计
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| 孔型顺序 | 轨头延伸系数 | 轨腰延伸系数 | 轨底延伸系数 | 轨底宽度尺寸/mm |
| 1孔 | 1.2~1.3 | 1.1~1.2 | 1.2~1.3 | 215~220 |
| 2孔 | 1.3~1.4 | 1.1~1.3 | 1.3~1.4 | 180~190 |
| 3孔 | 1.1~1.3 | 1.2~1.3 | 1.1~1.3 | 155~160 |
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| 轧制道次 | UR轨底立辊 | E轧边机 | UF轨底立辊 |
| 1 | 1.1~1.2 | 1.01~1.05 | - |
| 2 | 1.2~1.3 | - | - |
| 3 | 1.2~1.3 | 1.02~1.03 | 1.05~1.07 |
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CCS各机架轨底立辊及轧边机压下系数分配
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| 轧制道次 | UR轨底立辊 | E轧边机 | UF轨底立辊 |
| 1 | 1.1~1.2 | 1.01~1.05 | - |
| 2 | 1.2~1.3 | - | - |
| 3 | 1.2~1.3 | 1.02~1.03 | 1.05~1.07 |
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| 项目 | 0 m | 5 m | 25 m | 50 m | 75 m | 100 m | 最大波动值 |
| 优化前 | 150.3 | 149.2 | 149.4 | 149.7 | 150.0 | 150.5 | 1.3 |
| 优化后 | 150.0 | 149.8 | 149.8 | 149.9 | 150.0 | 150.1 | 0.3 |
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工艺优化前后底宽尺寸波动对比mm
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| 项目 | 0 m | 5 m | 25 m | 50 m | 75 m | 100 m | 最大波动值 |
| 优化前 | 150.3 | 149.2 | 149.4 | 149.7 | 150.0 | 150.5 | 1.3 |
| 优化后 | 150.0 | 149.8 | 149.8 | 149.9 | 150.0 | 150.1 | 0.3 |
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