平整机延伸率 轧制力及张力的协调控制技术

1,2,2(11,201900;21,066004):,;,,2030mm,:;;;;:TG33314;TP27313:A:1003-9996(2005)06-0012-03Researchofcoordinatedcontroltechnologyforelongation,rollingforceandtensionoftempermillZHANGBao2ping1,LIUZhi2liang2,BAIZhen2hua2(11BaoshanIron&SteelCo.,Ltd1,Shanghai201900,China;21YanshanUniversity,Qinhuangdao066004,China)Abstract:Basedontheintroductionofcombinationcontrolobjectivefunctionoftheshapeandmechanicalproperty,themechanicalpropertyandtheoutlinequalityofstriparefirstcombinedintoanuniformobjecttocontrolandasetofcombinationcontrolmathematicmodelisestablishedforelongationpercentage,rollingforceandforwardandbackwardtensionoftempering.Throughthecoordinatedsetoftherollingforceandtheforwardandbackwardten2sion,boththeaccuracyofthestripelongationpercentageisassured,andtherequirementsoftheshapearemetinthetempermill1Thenitisappliedtothepracticeproductionofa2030mmCAPLtempermill,andthegoodusingeffectisobtained.Keywords:tempermill;shape;mechanicalproperty;coordinatedcontrol;mathematicalmodel:2005-05-12:(1969-),(),,,1,,,,,,,,,2030mm,,2[1-3],,,:=f1(P0,T1,T0)(1),P0;T1;T0[4,5],1i0i:1i=f2(hi,Hi,Li,B,T0,T1)(2)0i=f3(hi,Hi,Li,B,T0,T1)(3),hi;Hi;Li;B21STEELROLLING200512226Dec.2005Vol122No16©1994-2009ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.[4],hi:hi=f3(P0,S,Dwi,Dbi,Hi,1i,0i)(4),S,DwiDbi,,,HiLiB,SDwiDbi,(2)(4),1iP0T0T1,:1i=f4(P0,T1,T0)(5),,,,,,:F(X)=g1(X)+(1-)g2(X)g1(X)I0g2(X)(6)g1(X)=(max(1i)-min(1i))/T1(7)g2(X)=|0-|/0(8)X={P0,T1,T2}(9),I0;;,,=01(6),g1(X),g2(X),,:X={P0,T1,T0},F(X),1,,,,32030mm,,2002,,,,2,,,,,20022390110t2003208103t,,2030mm35I,0105%,2030mm4(1),,211234SPCCSt14JSECCN5St16/mm1120117501601150/mm149591512201262/%018114112016/mmin-115010023010021234/kN2350137016001150/kN9816611168124610/kN10017621269174710/I212311215319/%01756113801119901620/%0104401020010010102031226:©1994-2009ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.(,100083):X65,CCT,+TMCP,X65,API:X65;;;:TG33515:A:1003-9996(2005)06-0014-03ExperimentinvestigationontheTMCPtechnologyforproducingX65pipelinesteelbySteckelmillLIANGZheng2wei,KANGYong2lin,JIANGHai2tao(StateKeyLaboratoryforAdvancedMetalsandMaterials,UniversityofScienceandTechnologyBeijing,Beijing100083,China)Abstract:InordertoinvestigatetherulesofphaseandperformancetransformationofX65pipelinesteelproudedbySteckelmill,theCCTcurvewasmeasured1Meanwhile,theTMCPtechnologyoftwo2stagecontrolledrollingandacceleratedcoolingafterrollingisdesignedbasedontherollingtechnologycharacteristicsofSteckelmill1Theexperi2mentalresultsshowthatthissteelhasgoodmechanicalperformanceandcanbemeetthedemandofAPIstandard1Keywords:X65pipelinesteel;controlledrollingandcontrolledcooling;Steckelmill;microstructureandperformance1X60X70,[1]:2005-06-09:(1970-),(),,2,,,,4,,,,,,:[1].[J]..1979,(2):20-37.[2].[M].:,1981.[3]StoneMD.IronandSteelEngineerYearBook[M].Pitts2burgh:AssociationofIronandEngineerPublisher,1953.115-128.[4].[M].,.:,1990.[5],.[M].:,1996.41STEELROLLING200512226Dec.2005Vol122No16©1994-2009ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.