斜轧穿孔机与斜轧延伸机轧辊旋转方向的合理配置

õõX(100083),RationalConfigurationofRotatingDirectionsofRollsofCrossRollingPiercerandCrossRollingElongatorLuQinggongZhuJingqing(UniversityofScienceandTechnologyBeijing)ABSTRACTFromtheviewpointofreducingthetimesofreversedistortionofsteeltubeduringcrossrollingdeformation,theinfluenceofrollshapeondistortionisinvestigated,andtherationalconfigurationofrotatingdirectionsofrollsofcrossrollingpiercerandcrossrollingelongatorisfurtherdiscussed.There2sultswillbemeaningfulformilldesign,workshopplayoutandraisingthequalityofproducts.KEYWORDSSeamlesssteeltubeCrossrollingpiercerCrossrollingelongatorTorsionaldefor2mation1,,:()DiescherAccu-rollAsselPSW(),,,,,,[1],,2(),,,,1a),[2],;,(1b)),,,1TotalNo1111October1998METALLURGICALEQUIPMENT1111998105X:,,,[3]1,(),,(2),:(Diescher),,,;()(Accu-rollAssel),,,323,,,,,,;,,,3:,(),,,,,;,,,,,,,,,[4],,,,,,3Á40mm,210mm,8;195.3mm,8,5.5;;21111998105Á403.5mm,20#,,,444,,,,;,,,,Á100mmÁ400mm,4,,,,,,11,,,,:,,,,,,1,22123456782,,,;(42)3:1998105,3K418,10mm4K418,10mm,,ASTM3-5,,3,ASTM2-3,,,,45,,ASTM2-3,,ASTM2-3,[1]..,1995,5[2]CalA.MaclntyreandP.NeilAgarwal.DevelopmentofFineGrainCastMAR-M247AxialandRadialTurbineWheels.AdvancedAerospaceMaterialsTechnology.1984,10(1998513)(3),,Á100mmÁ400mm,,Á170mm,,,5(1),,(2),,;,(3),:,[1]...1994.Vol.29.No.2:4045[2]GeorgeE,DieterJr.MechanicalMetallurgy.Mcgraw-hillBookCompany.Inc.NewYork.1986[3]KummerlingR.ComparisonofVariousCroll-RollingProcessforElongationStageintheProduc2tionofSeamlessTubes.METALLURGICALPLANTANDTECHNOLOGYINTERNATION2AL.1992,15(1):4857[4]...1997,26(3):16(1998421)241111998105