俄罗斯管道焊接前的现代消磁方法

(210002)1,,,:,:,,,,,,,2,2.1,,:;;;,2.2,:,(1),(),1(10-4T)20201001003550mm2,,5001000A,,5001000A,,-4505-4501,,1(a),,1(b)(c),17525520029©1994-2006ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.(a)C(b)(c)1-2-3-4-5-C6-,:H1=(1.21.5)H2H1;H2:H=INöLI,A;N;L,m,M-97X,9V,2(1):2(10-4T)11999(10-4T)1(s)30(h)8(mmmmmm)1706035707030(kg)0.350.35;3550mm2,,,2;2()1-2-3-,80100A,(),(),,1min,,,,812,;8520029©1994-2006ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.(a)31-2-3-4-5-,,3(b),300A10s,,,,3550mm2,,4(a)(),1622,2010-4T,,1020A(2),25mm,4(a)(b)1-2-3-4-()5-6-,:4(b),1,0.51.0m1.53.0mm(),,,,(45),,,,(3)100200mm,,,,,,1(a),NS,SN,()95255:©1994-2006ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.(a)(b),,(,),,,,,,C180,180,3,1.--35e.-,2000(1):3841,,1939,1962,,:12-402(:2002-03-21)()WTO,,,,1993(),WTO,,,,,,,(,,),,,,,,:,(,,),()0620029©1994-2006ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.(30)Abstract:Indomestic,thecomputerautomatic-controlontheclearanceoftheSSAWpipeweldseamdonotstillgettheeffectivesolution.Atpresentgenerallyadoptmanualadjust,whichisserious1yrestrictingimprovingtheweldpipequality.Analyzingthisproblem,putforwardnewcontrolmeans--adoptingcomputertruckandbranchdis2playsystemandPIDcontroller.SubjectTerms:SSAWpipeweldseamclearancecomputercontrolsystemPIDcontrollerDCDrivingControlSystemofWeldPipeFixedLengthFlyingSawYangXiaomingLiYuguiBiYouming(32)Abstract:ItisraisedtocombinethePLCwithDCspeedregulatortocomposecontrolsystemfixedlengthflyingsaw,andgiveoutflowchartofcontrolsystemforthecon2tinuousproductionofweldedpipeandcoldbendsectionsteel.Itisapprovedbypracticethatthecontrolsystemhastheadvantageofwidelysuitabilityandhighcontro1ac2curacyetc.SubjectTerms:weldedpipeflyingsawcombinableregula2torSet-upMethodsofParameterizationDiagramLibraryforLightSteelKeelRollerWangYadong(34)Abstract:ltisintroducedthesetup,realizingmethodandsetupanologprocedureofparameterizationdiagramlibraryandputforwardthedesignideaofcomputerparameteriza2tiondesignsystemforlightsteelkeelroller.ItisusedAu2toLISPlanguagetodevelopsystemofparameterizationdi2agramlibraryonAutoCAD2000platformandcarriedoutthedesignshowofrollerrealexampleforlightsteelkeelproductsaftersizeandseriesintegrationandclarificationforthecurrentlightsteelkeelrollersystem.SubJectTerms:AutoCADparameterizationdesigndia2gramlibrarysetupmethodlightsteelkeelrollerDirectCurrent(DC)SpeedRegulatiugSystemControlledbyMicrocomputerShanYuntao(41)Abstract:ItisadoptedmicrocomputeronslicetechnologytocontrolPCspeedregulatingsystemofhighfrequencyweldedpipemill,overcomethenonlinearcontradictionofinput&outputandimprovetheprotectsystemmorereal2izable.Itisusedsynchronismlockphasesystemtechnolo2gytorealizesynchronismofcontrolcircuitandmaincir2cuit.Itisalsousedcurrentbalancingtreatmenttechnologytorealizesynchronismoperationoftwinmotordrive.SubjectTerms:weldedpipemillDCspeedregulationsyn2chronismmicrocomputeronsliceTheRemovalCoatingVolatileSolventofInsideCoatingforSSAWPipeTuJunjun(44)Abstract:ltisintroducedacoatingvolatilesolventblowoutdeviceforinsidecoatingwithselfdesign&machinetosolvetheremovalproblemofvolatilesolventremainedthepipeinsidesurfaceduringinsidecoatingoperationoflargesizeSSAWpipe.SubjectTerms:spirallysubmergedarcwe1dedpipeinsidecoatingvolatilesolventdeviceTheTechnicalImprovementofEndCarriageonPipeOut-sideCoatingProductionLineFangWenWangQiangZhouQiufenWangYong(46)Abstract:Itisanalysedthatthereasonwhichoriginelendcarriageonthepipeoutsidecoatingproductionlinecannotmeettherequirementofproductionandraisedimprove2mentsolution.Theendcarriageofterchangednotonlymeettherequirementofproductionbutalsosavemorespace,operatemoreeaserandsuitmorerangethantheo2riginalone.SubjectTerms:steelpipeoutsidecoatingofsteelpipepro2ductionlineequipmenttransform.SteelPipeFrictionReducingInternalCoatingManufactur-ingProcessandEquipmentLiJunfengWenHongweiWangSuixi(48)Abstract:Introducedthesteelpipefrictionreducinginter2nalcoatingmanufacturingprocessandmainequipment,presentthetypicalprocesslayoutofinternalpipecoatingproductionline,alsointroducetheformandtheworkingprincipleofthemainequipment.SubjectTerms:steelpipefrictionreducinginternalcoatingprocessequipmentUsingAutoCADCalculatingWeldedPipeRollerWeightZhangYuwen(51)Abstract:IntroducedthemethodofusingAutoCADcalcu2latingweldedpiperollerweightquickly.Solvedtheprob2lemofcalculatingmachinepartsweight.Comparewiththetraditionalmethod,thisoneismoreaccurate.SubjectTerms:AutoCADweldedpiperollerweightcalcu2latingDiscussiononProblemofSteelPipeStripSpecimenTensileTestsSunHong(54)Abstract:TotheproblemofmoreyieldstrengtherrorinSSAWpipetransversestripspecimenten2siletests,analyzethereasonoftheerror,putforwardcorrespondingsolvingmethod.SubjectTerms:tensiletestsstripspecimenyieldstrengthAnalysisonSteelStripSplittingDefectYaoXiaojun(56)ModernEliminatingMagnetismMethodbeforeWeldinginRussianPipelineTranslatedbyXuGuizhi(57)Abst