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Powerfulhydraulicstraighteningmachineisbasedonhydraulicpowersource,aimingathighstrengthplatespecialdevelopment,Stronghotplatestraighteningmachineappliedforrollingstraighteningafterhotsteelplaterolledoutofmill,strongcoldplatestraighteningmachineusedforplatestraighteningaftercoolingfromthecoolingbed,eliminatesplatedefectsafterrolling,suchasgourdladle,curvededgewave,andtoobtaintheidealqualityonsurfaceofthesteelplate.

Powerfulhydraulicstraighteningmachineisspecifiedtodifferentsteelsheets,generallydividedintostronghotplateandcoldplatestraighteningmachine.Thetemperaturecut-offisnotveryuniform,generallydefined400℃asacut-offpoint,andaccordingtoitsnumberofdifferentrolls,definedasdifferenttypesofstraighteningmachinespecificationssuchasfive-rollerroughstraighteningmachine,eleven-rollerstraighteningmachine.

Powerfulhydraulicstraighteningmachineisgraduallyusedinrecentmorethantenyears,whichisderivedfromthelarge-scaleintroductionofdomesticmedium-thickplateproductionline.Priortothis,thedomesticsteelplatethicknessgreaterthan25mmisgenerallynotstraightened,resultinginpoorqualitysteelsurface,sothattheuseofsomehigh-techindustriesaremainlydependentonimportsofplates.NHIisincooperationwiththeGermancompanySMS,designedandmanufacturedtwolargest5mpowerfulstraighteningmachineforBaosteelPlant,completelyreversedthedisadvantageinthisareaofChinaPlateProducts.Stronghotplatestraightenerwhichcanstraighteningthicknessof60mmsteelplate,andcoldplatestraightenercanbepowerfulstraighteningupto50mmthicknessofsteelplate,itstechnologyandproductcapabilitieshavereachedworldadvancedlevel.NHIiscurrentlythemanufacturerwhocandesign,manufacture,commissioningallpowerfulseriesofhydraulicstraighteningmachinespecifiedfrom1850~5000mm.