(Asero) surfacetreatment — drawingofwire rod (mattresswiresavailablethismethod)
Patentedspringwires:inthemiddleofwiresizes, orcold — drawnspecleadhardeningandsurfacetreatmentanddrawing.
Galvanizedspringsteel alambre: usuallyhot — galvanizingorplatingfinishedsize, alsousewirepicklinghot — tse̲ — drawnaftergalvanizingtotherequiredsize ar ar inmersión.
Oilhardenedspringsteel alambre: acero ar bemadeofcarbonsteeloralloy jar demandcan, surfacetreatmentsandquenchedandtemperedaftercolddrawingtoafinishedsize, nuna ar kindoftechnologyinautomotivesuspensioncoil springandvalvespringsteel wirewithmoreordinarySprings, hä, canalsobeused.
Surfacetreatment:commonlyusedpicklingandphosphorization, removalofironoxidetoformphosphatecoating, ja ya afewmechanicalapproach. Aimwastomeettherequirementsofcold — drawnwire — drawingprocess, smoothsurfaceisobtained. Wireforhighfatiguelife GrooveThree, asvalvespringsteel alambre, ya alambre asero rodherein, reducingsurfacedefectsonsteelbilletgrinding, alsohelpreducedefects.
Ja̲t'i: finishedpullingthreaddrawingprocesshasagreatinfluenceontheproductproperties, generallyuselarger reducción área Nxoge ar getu'bu̲ ar 90% (seeareareductionrate) andlowpassareareduction (10% — 20%), inordertoensurethetoughnessof theproduct. Sinónimo strengthspringsteel alambre drawingforthecontrolofexportsofsteeltemperaturebelow150 ° c, preventingwirereverseduetostrainagingcrack, whichisamajorflawofsteelscrap. Ir nge nuna ar motivo, drawingagoodlubricationisrequiredandsufficientcooling, smalllaneareareductionanddrawingspeedhelpsreducethewireand #39; stemperaturerise.
Ár nt'ot'e: carbonsteelSpringwireleadhardeningprocess, fortheimprovementofdeepdrawingandspringpropertiesareuseful cangetveryfinePearlite (sorbitol), bedis patentingofthealternativeprocessoffluidized notextended, onlyinsmalldiameterapplication pa. Alloysteel wireannealingheat treatmentisgenerallyusedtomakedrawingdeformationmicrostructureadapted. Acero inoxidable steelwireheat treatmentsolutiontreatment thepurposeof whichistoimprovetheOrganizationtomeettheneedsofdrawing.Oilquenchingprocessusedonthewireusinginductionheatingorgas, fuel oilfurnace, heatingthewiretotheaustenitizingtemperatureinsulationfor ja 'nar t'olo ora, anothermedium — temperaturetemperingafterhardening. Althoughnominallycalledoil, basicallybywaterquenchingoraddpolymerwaterquenching.
