文章编号：1671-7872(2023)02-0126-07J307轮箍径–轴向轧制变形分析黄林松1，程明忠1，黄孝卿1，沈晓辉2(1.宝武集团马钢轨交材料科技有限公司,安徽马鞍山243010；2.安徽工业大学冶金工程学院,安徽马鞍山243032)摘要：提出基于环件外径实时变化的辊系运动自适应控制策略，以J307轮箍为研究对象，基于Marc/SuperForm有限元软件子程序开发，实现对轮箍轧制全过程的三维有限元模拟，分析轮箍轧制过程的尺寸变化、变形分布及轧辊受力等信息。结果表明：在既定工艺条件下，轧制第9~13圈时轮箍外径增量较大，最大达78mm/圈；轧制过程轮箍断面心部变形最小，第9圈前心部变形主要发生在径向变形区，第9圈后轴向变形区也发生明显变形，轧制结束时断面心部累积变形应变达1.09；主辊和芯辊受力在轮缘孔型完全充满时均达最大、约1400kN，锥辊在外径达912mm时受力最大、约900kN。关键词：轮箍；径–轴向轧制；金属变形；有限元分析中图分类号：TG335文献标志码：Adoi：10.12415/j.issn.1671−7872.22247DeformationAnalysisofRadial–AxialRollingProcessofJ307RailwayTyreHUANGLinsong1,CHENGMingzhong1,HUANGXiaoqing1,SHENXiaohui2(1.MasteelRailTransitMaterialsTechnologyCo.Ltd,BaowuGroup,Maanshan243010,China;2.SchoolofMetallurgicalEngineering,AnhuiUniversityofTechnology,Maanshan243032,China)Abstract：Anadaptivecontrolstrategyforrollermovementbasedonthereal-timechangeofringouterdiameterwasprovided.TakingJ307tireastheresearchobject,the3DfiniteelementsimulationofthewholeprocessofthetirerollingwasconductedbasedonthedevelopmentofMarc/SuperFormfiniteelementsoftwaresubroutines.Theinformationsuchasdimensionalchanges,deformationdistributionandrollerforcesduringtirerollingprocesswereanalyzed.Theresultsshowthatunderthegivenprocessconditions,theincrementofoutdiameterofthetyreislargewhenrollingthe9thto13throtations,withthemaxmumincrementbeing78mm/rotation.Duringtherollingprocess,thedeformationofthecenterofthetiresectionisthesmallest,thedeformationofthecentermainlyoccursintheradialdeformationzonebeforethe9throtation,whiletheaxialdeformationzoneafterthe9throtationalsohassignificantdeformation.Attheendoftherollingprocess,thecumulativeeffectivestrainofthecenterofthesectionreach...
