变接触长度支承辊间等接触压力时轧辊变形规律

1,1,1,2,2,2,2(1.,430081;2.,455004):,,,,,,:;;:TG333.17:A:100121447(2006)0320037203Rolldeformationruleofvaryingcontactlengthback2uprollundertheconditionofequalcontactpressurebetweenrollsHUYan2sheng1,CHENGXiao2ru1,LIHu2xing1PANGXian2jin2,SHANGCun2liang2,LIUWei2,ZHOUMin2(1.MaterialsandMetallurgyCollege,WuhanUniversityofScienceandTechnology,Wuhan430081,China;2.PlateMill,AnyangIronandSteelGroupCorp.,Anyang455004,China)Abstract:Basedonproductionconditionsanddata,thisarticlediscussesthevaryingcontactlengthback2uprolldeformationundertheconditionofequalcontactpressurebe2tweenrolls.Firstly,thedeformationofmidpointofrollandcorrespondingpointbe2tweenrollandworkpieceundertheconditionofdifferentrollingpressurewascalculat2ed.Then,thedeformationdistributingrulealongrollbodywasobtained.Theresultsindicatedthattheflatteningdeformationwasbiggerthanthebendingdeformation.Andwiththerollingpressureincreasing,thechangerateofrolldeformationalongrollbodyincreasedaswell.Keywords:mediumplate;roll;elasticdeformation:(1952-),,,,.,,,,,,,,[1][2],,,1,,3,7320066343ResearchonIron&SteelJune2006Vol.34No.3,,,:,,(:),,22.1,11/mm/mm/mm/mm/mm/mm/kN87128001800274040001800240017000260002.2:Yw=Gw(Q-P):Yb=GbQ:Yws=GwsP:Ywb=GwbQYwYb,mmGwGbQ,kNP,KNYws,mmGwsYwb,mmGwb2.31,Q235B,16mm,;;1,2.3.11,B=2200mm,22/mm/kNYw(n)/mmYws(0)/mmYws(n)/mmYb(n)/mmYwb(0)/mmYwb(n)/mm2200169800.00930.12710.0860.03200.61930.5402220000.01400.16170.1050.04140.78690.6844267200.01830.19340.1230.05030.94110.8167:Yw(n)Yb(n);Yws(0);Yws(n);Ywb(0);Ywb(n)83342,33mm/kNYw(0)-Yw(n)Yws(0)-Yws(n)Yb(0)-Yb(n)Ywb(0)-Ywb(n)16980-0.00930.0411-0.03200.079122000-0.01400.0567-0.04140.102526720-0.01830.0704-0.05030.12443:(1),;(2),,;(3),22.3.2,,B=2200mm,131(P=16980kN):(1);(2);(3),2(P=22000kN)3(P=26720kN)3(1),(2),(3),(4),[][1],,,.[J].,1995,30(2):4851.[2],,.[J].,1999,11(1):2327.(:2005207218)933,: