(Stahl) Oberflächenbehandlung---Drawingofwire rod(mattresswiresavailablethismethod)
Patentedspringwires:inthemiddleofwiresizes, Orcold-Drawnspecleadhardeningandsurfacetreatmentanddrawing.
Galvanizedspringsteel Draht: Usuallyhot-Galvanizingorplatingfinishedsize, Alsousewirepicklinghot-Kälte-Drawnaftergalvanizingtotherequiredsize Tauchen.
Oilhardenedspringsteel Draht: auf Demandcan Bemadeofcarbonsteeloralloy Stahl, Surfacetreatmentsandquenchedandtemperedaftercolddrawingtoafinishedsize, diese Kindoftechnologyinautomotivesuspensioncoil Springandvalvespringsteel WirewithmoreordinarySprings, Canalsobeused.
Surfacetreatment:commonlyusedpicklingandphosphorization, Removalofironoxidetoformphosphatecoating; Afewmechanicalapproach beschreiten. Aimwastomeettherequirementsofcold-Drawnwire-Zeichnung, Smoothsurfaceisobtained. Federstählen Wireforhighfatiguelife, solche Asvalvespringsteel Draht, Stahldraht-Rodherein, Reducingsurfacedefectsonsteelbilletgrinding, Alsohelpreducedefects.
Zeichnung: Finishedpullingthreaddrawingprocesshasagreatinfluenceontheproductproperties, Generallyuselarger Gesamtfläche Reduktion von rund 90 % (Seeareareductionrate) Andlowpassareareduction (10-20 %), Inordertoensurethetoughnessof Produkt. Forhigh Strengthspringsteel Draht, drawingforthecontrolofexportsofsteeltemperaturebelow150 Grad, Preventingwirereverseduetostrainagingcrack, Whichisamajorflawofsteelscrap. Für diesen Grund, Drawingagoodlubricationisrequiredandsufficientcooling, Smalllaneareareductionanddrawingspeedhelpsreducethewireand #39; Stemperaturerise.
Erhitzen Sie Behandlung: CarbonsteelSpringwireleadhardeningprocess, Onlyinsmalldiameterapplication, CangetveryfinePearlite (Sorbite)-Fortheimprovementofdeepdrawingandspringpropertiesareuseful, Patentingofthealternativeprocessoffluidized-Bedis Notextended. Alloysteel Wireannealingheat Treatmentisgenerallyusedtomakedrawingdeformationmicrostructureadapted. Edelstahl Steelwireheat Treatmentsolutiontreatment, Thepurposeof whichistoimprovetheOrganizationtomeettheneedsofdrawing.Oilquenchingprocessusedonthewireusinginductionheatingorgas,fuel Oilfurnace, Heatingthewiretotheaustenitizingtemperatureinsulationfor, irgendwann, Anothermedium-Temperaturetemperingafterhardening. Althoughnominallycalledoil, Basicallybywaterquenchingoraddpolymerwaterquenching.
