热轧带钢宽度超差控制技术的改进与应用

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1、万方数据东北大学硕士学位论文AbstractImprovementandApplicationofWidthToleranceControlTechnologyinHotStnpAbstractHot—rolledstripiswidelyusedinthekeyareas，suchasconstruction，automotive，petroleum，machineryandequipment，whichareanimportantindustrialmaterial．Itplaysallimportantroleinthenationalproductionandl

2、ife．Chinaisthelargestcrudesteelproductioncountryintheworld，whichexceedscapacityseriously．Themarketcompetitionisintenseextremely．Tryinghardtoimprovethequalityofsteelproductshardlyisakeyfactorinwinningthecompetitionforironandsteelenterprises．Widthofhot-rolledstripisaveryimportantparameteri

3、ndimension，whichisoneofthekeyindicatorsforhot—rolledfabrication．Therefore，carrying．outsystematicandin—depthresearcharoundhotstripwidthcontrolproblems，whathasimportantapplicationtechnology．ThismethodhasbeenappliedtotheShougangJingtang1580mmrollingproductionline．Theresultsofstripwidthdevia

4、tioncurvebeforeandimprovementshowthatthemethodcansolvenarrowneckingzoneoftheIIIhotafterstrip万方数据东北大学硕士学位论文Abstracteffectively．(3)Thepaperproposedimprovementsofstriptailwidthcontroltechnology．OnemethodhasbeenappliedtotheShougangJingtang2250mmhotrollingproductionline，theothermethodhasbeena

5、ppliedtotheShougangJingtang1580mmhotrollingproductionline．Theresultsofdataandstripwidthcurvebeforeandafterimprovementshowthatthemethodcallsolvenarrowtailofthestripeffectively．(4)Thepaperproposedimprovementsofstripwholewidthcontroltechnology．ThismethodhasbeenappliedtotheShougangJingtang22

6、50mmhotrollingproductionline．Theresultsofstripwidthdeviationcurvebeforeandafterimprovementshowthatthemethodcansolvethewholeofthestripoutoftoleranceeffectively．Keywords：hot—rolled；strip；widthcontrol；toleranceissuesIV万方数据东北大学硕士学位论文目录目录独创性声明⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯I摘要⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯

7、⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯。AB!汀RALl"⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯III第1章绪论⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯．11．1课题背景及意义⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯．⋯11．2热轧带钢宽度控制现状⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯．⋯21．3研究内容⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯．3第2章热轧生产工艺及设备⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯52．1热轧工艺流程⋯．⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯．．52．2热轧主要