高速线材轧机的活套控制

,(,400080):,:;;;:TG335163:B:1003-9996(2005)02-0069-03Loopcontrolofhigh2speedwire2rodmillQINGJun2feng,LIUYong(ChongqingIron&SteelCo1,Chongqing400080,China)Abstract:Thetheoryandprocessingofloopcontrolofhigh2speedwirerodmillareintroduced1Thecharacteristicsofun2stabilityloopcausedbydifferentfactorsareanalyzed1Keywords:high2speedwirerod;loop;control;stability:2004-03-29:2004-04-21:(1969-),(),,1u,:A1/A2=V2/V1=u(1),A1V1;A2V2uu,,(),u,,2,(),[1,2],,1,1L-;B-;-;H0-1:B=2Ltg(/2)(2)BDmax,/d,()H:H=2Ltg(/2)/Dmaxd-H0(3),H0h,29620054222Apr12005Vol122No12STEELROLLING©1994-2007ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.=BE/CD,l/(M/2)=h/H,h=l/(M/2)H(4),H,M,21-1;2-2;3-3;4-433115%,015110s,,,HS(),HN,HS,HN,HSHN,,,;,,,,,,312,,,PI,,,,,,,,313,,,,,4411,4,2(1)1,,(2)4,,,;,(3)2,,,,,(4)3,,,,,23412,,,,10mm[3](1),,:2s;,0720054©1994-2007ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.(2),:011015s,,,,(3),:,,,,24s,,,,,,:[1],1[M]1:,19951[2],,1[M]1:,19881[3]1[M]1:,1989155CrSi,,,,,(,310022):,55CrSi,,,:;;;:TG335163:B:1003-9996(2005)02-0071-02Productionof55CrSiwirerodforsuspensionspringofautomobileWUXiao2liang,YUGuo2song,JINYao2hui,YULi2quan,ZHOUYin,YEJian2song(HangzhouIron&SteelGroupCo1,Hangzhou310022,China)Abstract:Themicrostructureandperformanceof55CrSiwirerodforsuspensionspringofautomobileareimprovedbyoptimizingreheating,rollingandcoolingtechnology.Keywords:springsteelforautomobile;wirerod;controlledrollingandcontrolledcooling;fatigueproperty:2004-03-30:(1970-),(),,12070,SUP6(Si-Mn),,882MPa,2080SUP7(Si-Mn)SUP10(50CrV),,1500MPa,980MPa,SUP12(55CrSi),1700MPa,1100MPa,17222©1994-2007ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.