冷轧带钢厚度与板形控制关键技术分析

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1、ABSTflACTIntheprocessofcoldrolledstripsteelproduction，thethicknesscontrolsystemmustbesupportedbysettinghigh·precisioncomputingsystems，tensioncontrolsystem，hydraulicrollgapcontrolsystemandflatnesscontrolsystem，SOabletoachievethepurposes，improvingthecontrolaccuracyofstdpgaugeand

2、flatnessandreducingthesystemfailurerate．ThisarticleabouttheAnshanSteeIandTiantieSteelcold-rollingIine，steeringwiththetheoryofhydraulicrollgapcontrolsystem，tensioncontrolsystemandflatnesscontrolsystem,researchtheapplicationprocessofstdpthicknessandflatness，analyzerollingmodel，t

3、odoagoodbasicjobabouttechnologicaltransformationandsystemupgrade．Thisarticleincludesthreeparts．First,introducesthebasictheoryanddevelopmentofthethicknesscontrol，descdbedtheapplicationofflowcontrolinthecoldrolledstripcontinuousrollingprocess，thefocusonthecontrolprincipleandeffe

4、ctofthe1,2，5rack．Secondly,basedoncoldrollinglineautomationcontrolsystems，descnbethebasicfeaturesforthethicknesscontrolsystemoftandemcoldrolling，usingthecold，rollingprocesscontrol，rollingloaddistribution，adaptiverollingmodel，androllingmathematicaImodel．Finally,thenewtheoryofalg

5、orithms，combinedwiththehydraulicrollgapcontrol，tensioncontroIandflatnesscontrol，tosolvesomefailures，andgreatlyreducethefailurerateofcontrolsystem，experimentsshowthattherollingforcebyincreasingpressurelimit,changingtensiondifferenceandadjustingthebendingcontrollimitparametersto

6、improvetheeffectiveaccuracyofstripthicknessandflatnesscontroI．Keywords：Cold·RolledStrip；ThicknessControl；FlatnessControl；HydraulicGapControl；Multi-ZoneCooling目录第一章绪论⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯。l1．1本课题研究的意义⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯。21．2本课题的主要内容⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯。2第二章冷连轧控制系统介绍

7、⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯．．32．1冷连轧工艺流程简介⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯。32．2冷连轧控制需求分析⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯。42．3冷连轧控制系统发展状况⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯10第三章带钢厚度控制系统⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯133．1质量流厚度控制的原理⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯133．2质量流控制的应用⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯143-2．11号机架处厚度控制的应用⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯143．2．21号机

8、架厚度控制改进应用⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯173．2．3质量流在2号机架处的应用⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯．．