冷弯型钢四辊轧制技术

(,200050),,,FOURROLLSFORMINGPROCESSFORCOLDFORMEDSECTIONSMaYuefeng(ShanghaiInstituteofIronandSteelTechnology)AbstractFourrollsformingprocesswasanewtechniqueusedintheproductionofcoldformedsections,whichcouldimprovetheworkingpropertyandsurfacequality,andconfigurethediver2sifiedrollsconstitution,therefore,toreducetheproductioncostKeyWordsColdFormedSection,RollForming,SurfaceQuality,RollConstitute1,,,,,,,[1],,;,,,:(1):GB/T6728,,,,,,,,(2):,,,,,2050mm,,5mm215mm:8010030,1,,,251Vol125,No114320031SHANGHAIMETALSJan1,2003©1995-2005TsinghuaTongfangOpticalDiscCo.,Ltd.Allrightsreserved.18010080859095100808085859090959510010090709080100801009011090100601007011070110801208011050110601206012070130701204012050130501306014060130401404014050150501504016040:(mm),,,2,,,,,,,,,,,,,,,[2],,:(1),,1,,,,,,,1(2),,(3),,,,(4),,3,,,,:(breakdown)(finpass)(HFwelding)(sizing&shaping)311,2,;,2Finpass4425©1995-2005TsinghuaTongfangOpticalDiscCo.,Ltd.Allrightsreserved.,015,,312,,,,3,3313,,42/mm30405060708090100/mm30303040305030603070308030903010030404040504060407040804090401004050505060507050805090501005060606070608060906010060707070807090701007080808090801008090909010090100100100,10mm,:,,4,,230100mm100mm,551004,,,,P,,,,,[1],,..().[2],..().:2002209211:2002210221541:©1995-2005TsinghuaTongfangOpticalDiscCo.,Ltd.Allrightsreserved.