高速线材轧机辊环装配工艺研究

40520055IronandSteelVol.40,No.5May20051,2,2,1(1.,243002;2.,243000):,,,,,,,:;;;:TG33616+2:A:04492749X(2005)0520038204ResearchonTechnologyofRollRingAssemblyforHigh2speedWireRodMillZHANGJing1,YUTong2ren2,ZHANGCui2,YANJun1(1.SchoolofMaterialsScienceandEngineering,AnhuiIndustryUniversity,Maanshan243002,China;2.TechnicalCenterofMaanshanIronandSteelCompanyLtd.,Maanshan243000,China)Abstract:Theassemblydesignsofrollringsufficenotonlyforthelowerlimitofrollingmoment,butalsofortheup2perlimitofrollringstrength.Thecalulationneedshighprecision.Asrequiredbyrollringassemblydesign,thestressandstrainofrollringassemblywereanalyzedwiththeelasticitymethod,thewholeconditionofassemblywasdeduced,andthemethodstoascertaintechnologyandcalculationformulaofassemblyweregivenout.Thesekeytechniqueswereusedinrollingproductionwithsatisfactoryresults.Keywords:rollring;high2speedwirerod;rollingmill;assembly:863(2003AA331030-1),(2003KJ060):(19602),,,;E2mail:[e-mail];:2004206218,,;,,,,,,,[1],,,,1111,,,r,,z,11[2]:rdrdr=-r(1):rddr=r-(2)r=9ur9r=ur/rz=cont(3)(1)(2)(3):5:r=pa2-pb2b2-a2-a2b2b2-a2p-pr2=pa2-pb2b2-a2+a2b2b2-a2p-pr2ur=ra2pE(b2-a2)(1-)(1-pb2pa2)+(1+)b2r2(1-pp)(4)p=0,:r=a2b2-a2(1-b2r2)p=a2b2-a2(1+b2r2)pur=ra2pE(b2-a2)(1-)+(1+)b2r2(5)112,(4),(5),,,,,22211,,1Fig.1Forceandstressofthickbarrel2Fig.2Distributionsofradialandcircumferentialstressonrollring,,(4)(5):K=m21-m221-m22+m21-12(1-m22)[(K1-K2-1)+(K1+K2-1)m22](6)K=PgPZ,K1=E1E2,K2=1-K12,m1=R2R1,m2=R2RPzPg,MPa;R,mm;R1R2,mm;E2E1,MPa;21212M,M:PgM2R22B2f2(7)B2,mm;f2;M,Nmm213,,,[](MPa),:9340d=-r[](8)(5)(8):Pg(1-m22)(1+2)+(1-2)m22[](9)214,:,,[3],,,,,,[3],,60%,85%[4],,KyKy,(7)(9):M2R22B2f2Pg(1-m22)[(1+2)+(1-2)m22]Ky[](10)3P0,,:P0F=2R1B1f1Pz+2R2B2f2Pg+2R1B1Pzsin(11)F,mm2;P0,MPa;f1;B1,mm;,rad(10)(11):MFR2(1+R1B1R2B2f1+sinf2K)P02[R1B1(f1+sin)K+R2B2f2](1-m22)F[(1+2)+(1-2)m22]Ky[](12)(12)P0,(12)n(n1),:P0=nMFR2(1+R1B1R2B2f1+sinf2K)(13),,,,(10)(12),(10)(12),35,,,,,,:,(13),112116(13),(12),,,1.42.0045:1K9K10[5,6]Table1AssemblyparametersofchilledironrollringforK9,K10finishingstandstR/mmR2/mmR1/mmB2/mmB1/mmf2f121E1/GPaE2/GPa956052651280.0210.30.150.30.3173206M/(kNm)[]/MPaKm2m1K2K1KP0-/MPaP0+/MPaF/mm20.651.1701.91.150.631.19-0.061.6312.6430.025777:P0-,P0+,M41045,K9K100120m,K9K1020MPa,,1K9K101,12164MPa1143,(13)18108MPa(12),1167,,20MPa18MPa,,,,5,,,,,,:[1],.[J].,2003,20(2):60261.(LIUFu2long,XUSheng2jun.CalculationofthePressureontheTaperSleeveFixingRollRing[J].SteelRolling,2003,20(2):60261.)[2]BoresiAP,SidebottomOM,SeelyFB.[M]..:,1987.[3].[M].:,1994.43291.[4],,.[J].,2003,(3):13215.(CUIHong2wu,WANGBing2xia,ZHANGBao2min.CauseAnalysisonRollRinginHigh2speedWireRodMill[J].TianjinMetallurgy,2003,(3):13215.)[5].(1)[M].:,2000.[6].[M].:,1982.(16),,,,,,:[1],,.[J].,1995,30(3):6211.(WUMao2lin,WANGLi2min,LIUShu2lin.Three2dimensionalHeatTransferModelforStaveandLin2ingofBlastFurnace[J].IronandSteel,1995,30(3):6211.)[2],,,.[J].,1999,34(5):11213.(CHENGSu2sen,XUEQing2guo,CANGDa2qiang,etal..HeatTransferAnalysisofBlastFur2naceStave[J].IronandSteel,1999,34(5):11213.)[3],,,.[J].,2001,36(2):8211.(CHENGSu2sen,YANGTian2jun,YANGWei2guo,etal..AnalysisofHeatandTemperatureFieldofBlastFurnaceCopperStave[J].Ironandsteel,2001,36(2):8211.)[4]PETERHeinrich,JORGKapischke,FRANZReufer,etal..OptimisedBlastFurnaceWallCoolingwithCopperStavelets[J].MPTInternational,2001,42246.[5],,,.[J].,1996,31(10):9213.(SONGYang2sheng,YANGTian2jun,WUMao2lin,etal..CalculationandAnalysisonCoolingCapacityofBlastFurnaceStave[J].IronandSteel,1996,31(10):9213.)[6],.[M]..:,1998.183.[7],,.[J].,1976,(3):2092213.14