Article(id=1202256141297344847, tenantId=1146029695717560320, journalId=1185652524569653253, issueId=1202256135920246978, articleNumber=1009-5438(2025)05-0089-05, orderNo=null, doi=null, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=research-article, receivedDate=1754755200000, receivedDateStr=2025-08-10, revisedDate=null, revisedDateStr=null, acceptedDate=null, acceptedDateStr=null, onlineDate=1764569800923, onlineDateStr=2025-12-01, pubDate=1761321600000, pubDateStr=2025-10-25, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1764569800923, onlineIssueDateStr=2025-12-01, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1764569800923, creator=13701087609, updateTime=1764569800923, updator=13701087609, issue=Issue{id=1202256135920246978, tenantId=1146029695717560320, journalId=1185652524569653253, year='2025', volume='51', issue='5', 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=null, createTime=1764569799642, creator=13701087609, updateTime=1764570051432, updator=13701087609, preIssue=null, nextIssue=null, ext={EN=IssueExt(id=1202257192083747509, tenantId=1146029695717560320, journalId=1185652524569653253, issueId=1202256135920246978, language=EN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1202257192083747510, tenantId=1146029695717560320, journalId=1185652524569653253, issueId=1202256135920246978, language=CN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null}, startPage=89, endPage=93, ext={EN=ArticleExt(id=1202256141616111967, articleId=1202256141297344847, tenantId=1146029695717560320, journalId=1185652524569653253, language=EN, title=Failure Analysis and Structure Optimization of Reducer for Work Roll Table of CCS Rolling Mill in Rail and Beam Rolling Plant, columnId=1187100786392711543, journalTitle=Science & Technology of Baotou Steel, columnName=Equipment and Automation, runingTitle=null, highlight=null, articleAbstract=
The endurance bending strength of gear for reducer is checked as well as it is deduced that it is seriously lower under the impact load of billet to work roll table so as to cause the problems of frequent gear tooth break and locating key cutting based on structure of reducer for work roll table of CCS rolling mill combining with causes of billet impacting work roll table and its impact load.Under the original working conditions, reasonable structure of reducer for work roll table is obtained by using the locating key with double keyways after quenching and tempering, increasing length and height of output shaft for reducer, changing size of base for reducer as well as increasing such parameters as maximum output torque and input power. After the optimization, endurance bending strength of tooth root and contact fatigue strength of tooth surface for reducer could meet the requirements of on-site working conditions.
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根据CCS轧机工作辊道减速机的结构,并结合坯料撞击工作辊道的原因及其冲击载荷,校核了减速机齿轮的弯曲疲劳强度,推导出在坯料对工作辊道的冲击载荷下,齿轮弯曲疲劳强度严重偏低,从而导致经常断齿和定位键切键问题。在原工况条件下,通过使用热处理调质后的双键槽定位键,增加减速机输出轴长度,提高减速机输出轴高度,改变减速机底座尺寸,增大输出最大扭矩和输入最大功率等参数,得出工作辊道减速机的合理结构,优化后减速机的齿根弯曲疲劳强度和齿面接触疲劳强度均能满足现场工况要求。
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刘剑锋(1984-),男,内蒙古赤峰市人,工程师,现从事轧钢设备维修与故障诊断工作。
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刘剑锋(1984-),男,内蒙古赤峰市人,工程师,现从事轧钢设备维修与故障诊断工作。
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刘剑锋(1984-),男,内蒙古赤峰市人,工程师,现从事轧钢设备维修与故障诊断工作。
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