厚带钢卷取温度计算

34619996IRONANDSTEELVol.34,No.6June1999()(),CALCULATIONANDAPPLICATIONOFTHELOWESTCOILINGTEMPERATUREFORPLATEHUXunduoCAIZhengLUChengLIUXianghuaWANGGuodong(NortheasternUniversity)GULijunHUANGChuanqingXIEQi(ShanghaiBaosteelGroupCorp1)ABSTRACTThispaperdealswiththeestablishmentoflowestcoilingtemperatureforplateofh16101Firstly,thedeformationresistanceintherangeofthecoilingtemperaturewasmeasuredbyexperiment1Secondly,therelationshipbetweencoiler’scapacityandotherin2fluencingfactors,suchasstripthickness,widthandcoilingtemperatureweredetermined1Thenthelowestcoilingtemperaturewascalculated,whichhasbeenusedintheproductionsuccessfully1KEYWORDSplate,deformationresistance,lowestcoilingtemperature,coiler1,,,,,(h1610mm)1h,400t,315,,,,,,,2,,,:,,(110006)©1994-2006ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.öMPaGR4152E1Rs=298216e-0100433HGS4246D1Rs=311411e-0100442HGT5430C1Rs=426519e-0100468H3[1]L,n,L=6ni=1[D0+(2i-1)h]P=PD0n+Phn2n=015(D20+4hLöP-D0)öhD=2nh+D0=D20+4hLöP(1)41,L1PyP[2]x()Mx=Ms+TD0ö2Mx=PxD0ö2Px=T+2MsöD0(2)1Fig11Coilerdiagram12,:Ms=Põx=PD0ö2õsin(Aö2)Ms=Bh2Rsö4P=2Msö(D0sin(Aö2))12P1P2,P1=P2=Pö(2cos(Aö2))=2Msö(D0sinA),,Pl=mv2öRPyPy=2Msö(D0sinA)+mv2öR(3)R=(D0+h)ö2m=2PRhBAö360õQm,kg5[2]12,MzMwMjMm511MzMz=TDö2(4)T=RzõBõhT,MPa512Mw,2,Rx=EEx0yh1ö2Rx=Rsh1ö2yhö2Mw=2B[h1ö20Rxydy+hö2h1ö2Rxydy]=(3h2-h12)BRsö12h1k,k=(h-h1)öh,k=018,Mw=01987RsBh2ö4(5)513MjMj=JE=GD2ö(4g)dXödt=2Pö60õGD2ö(4g)õdnödt=iö(120gõD)õGD2õdvödt(6)GD2=GD2m+GD2Röi2+10PQSBö(8i2)õ(D4-D04)33©1994-2006ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.=L2õdö2õ2Q(7)515MM=(Mz+Mw+Mj+Mm)öi(8)516NN=(Mz+Mw+Mj+Mm)õvö(1020GR)(9)6PyMN,,PyMNRs,,Py,maxRs,Rs,(1)PxLPyPyPy,maxMKmMNNKnNe(2)MKmMNNKnNe,GS4246D1GR4152E1GT5430C1,33,540580,GT5430C1570610,(),,,,,,,30,,30,600;6(GT5430C1)630;,,2191%11162%,7,,,,,3Fig13Calculatedvaluesofthelowestcoilingtemperature(a)GS4246D1;(b)GR4152E1;(c)GT5430C11=1450mm;2=1550mm;3=1650mm;4=1750mm;5=1850mm(59)4319996©1994-2006ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.(2),,,,[4],,,(2),,4(1),Mn8,1J(2)1J,Mn8,,,(3),Mn8:+++++,11()1:,1987121Mn1,1993,44(9):11313Larsen-BadseJ1TheEffectofCarbideDispersionontheStrengthofTemperedMartensite1Trans1Met1Soc1AIME,1958,212:750141()1:,19941(34)Rs,MPa;D0,m;D,m;B,m;h,m;h1,m;Q,kgöm3;Ms,Nm;S,S=0185019;GD2m,Nm2;GD2R,Nm2;i;v,mös;L1;L2;d,m;2Q,N;G,G=0185019;R,m;KmKn;A;Rz,MPa112050mm(Ê)1,1995,(9)1211:,1992112195©1994-2006ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.