大型辗环机抱辊系统力学性能分析

:2010-07-16;:2010-08-20:(2009ZX04014-074-09,2010ZX04004-131);(ZR2009FL005):(1987-),实验研究徐增海,赵东,王强,蔡冬梅(,250022):,,,,,,:;;;;:TG33391:A:1001-196X(2011)01-0022-05AnalysisofmechanicalpropertyofguiderollersysteminlargeringrollingmachineXUZengha,iZHAODong,WANGQiang,CAIDongmei(SchoolofMechanicalEngineering,UniversityofJinan,Jinan250022,China)Abstract:Theanalysishasbeenmadeinthispaperformechanicalpropertiesofalargeringrollingmachinesguiderollersystem,andtheoreticalequationhasbeenestablishedforguiderollforcesunderdifferentrollingconditionsandtheloadsbornbyallcomponentsinguiderollersystem,whichwillchangealongwithringproducts.Onthisbasis,numericalsimulationanalysisiscarriedoutformechanicalpropertiesofringrollingmachinesguiderollersystem,obtainingvariationtrendofguiderollforcesindifferentrollingprocessesandtheloadsbornbyallcomponentsofguiderollersystemchangingalongwithringdiametersandmakingfoundationsforthedesignofguiderollersystemandtheselectionofringrollingprocessparameters.Keywords:ringrollingmachine;guiderollersystem;mechanicalpropertyanalysis;optimization;ringrolling1[1,2],,,[3,4],,,,,,[5]:(1),,;(2),,(3),,,222011No12,[6],1,[7];;,,,,112345678211,,,,,,22211F1F2,F1d1=F2d2(1)2,PCD,PCD=,,cos=l2PC+l2CD-l2PD2lPClCD,=arccosl2PC+l2CD-l2PD2lPClCD(2),d1=lCDsin(3)DOOb,cos=l2DOb+(R+Rb)2-l2OD2lDOb(R+Rb),=arccosl2DOb+(R+Rb)2-l2OD2lDOb(R+Rb)(4),,d2=lDObsin(5)(3)(5)(1),F2R,F2=F1d1d2=F1lCDsinlDObsin(6)212,D,2F1x,F2x,F,,FF1F2FFx=F1cos-F2cos(7)Fy=F1sin+F2sin(8),tan=lCNlPN=lCDsin(+)-lMNlQD+lCDcos(+)=arctanlCDsin(+)-lMNlQD+lCDcos(+),F=F=F2x+F2y(7)(8)FF=F21+F22+2F1F2(sinsin-coscos)(9)RFR232011No12222133ABCD,A,,-lABcos1+lBCcos2+lCDcos-lAE=0lABsin1+lBCsin2-lCDsin-lDE=0,lAElDEAD,;=--1,2-lABcos1=(lAE-lCDcos)-lBCcos2lABsin1=(lCDsin+lDE)-lBCsin2,L2AB=[(lAE-lCDcos)-lBCcos2]2+[(lCDsin+lDE)-lBCsin2]2asin2+bcos2=c(10),a=lAE-lCDcos=lAE+lCDcos(+)b=lCDsin(+)+lDEc=l2BC+l2CD+l2DA-l2AB2lBC+lCD(lDEsin-lAEcos)lBCtan22=n-a2+b2-c2a+c2=2arctanb-a2+b2-c2a+c(11),1=2arctan=b-a2+b2-d2d-a(12)d=l2AB+l2CD+l2DA-l2BC2lAB+lCD(lDEsin-lAEcos)lAB222(4)4,F1,F3F2d1d2d3F4Ft,d4ds4,F1d1+F3d3=F2d2(13),F4d4=Ftds(14),,F3=F4F2=(F1d1d4+Ftd3ds)/(d2d4)(15)d1d2,d3d4=--,d3=lCDsin(+-2)(16)d4=lABsin(1+2)(17),12,(11)(12)d3d4R,d1d2d3d4(10)F2R223,,,,,4,F5d5=F6d6(18),F7d7=Ft2ds2(19)F6=F7,242011No1,d5=d1,d6=d3,d7=d4,ds2=ds,F5=F1,Ft2=Ft,d1d3d4,dsF1,(15)(16)Ft=Ft2=F1d1d4/(d3ds)(20)(20)(14)F3=F4=F1d1/d3(21)(20)(15)F2=2F1d1/d2(22)224D,,55,F1x,F2x,F3x2,F,,FF1F2F3FFx=F1cos+F3cos2-F2cos(23)Fy=F1sin+F3sin2+F2sin(24),F=F=F2x+F2y(23)(24)FF=F=F2x+F2y=(F1cos+F3cos2-F2cos)2+(F1sin+F3sin2+F2sin)2(25)RFR31,Matlab1mmAB1150BC2210CD1100AD2255COb2340DOb1925DOz1900DT1150PD2750PD500180065010008000PC333031(6),,6(9),,7(1),,,4000mm,;252011No1(2),,,R=500mm,32(22),,8(25),,9(20),,108910:(1),,,4000mm,;(2),,,;(3),,4500mm,104,,,,;;,,;,,,4500mm,,,:[1],,.[J]..2007,(1):95-97.[2]T.Lim,I.Pillinger,P.Hartley.Afiniteelementsimulationofprofileringrollingusingahybridmeshmodel[J].Journalofmaterialsprocessingtechnology.1998,80-81:199-205.[3].[D].:,2009.[4],,.[J]..2007,(4):71-73.[5],,.[J]..1997,(5):13-15.[6],,.[J]..2006,41(1):89-91.[7]M.R.Forouzan,M.Salmi,iM.S.Gadala.ThreedmiensionalFEanalysisofringrollingbyemployingthermalspokesmethod[J].Internationaljournalofmechanicalsciences.2003,45:1975-1998.262011No1