Email:cnfuruide@gmail.com Henan vriend Metal Products Co., Ltd

Henan vriend Metal Products Co., Ltd

Lente staaldraad proces

(Staal) surfacetreatment---drawingofwire rod(mattresswiresavailablethismethod)

Patentedspringwires:inthemiddleofwiresizes, orcold-drawnspecleadhardeningandsurfacetreatmentanddrawing.

Galvanizedspringsteel draad: usuallyhot-galvanizingorplatingfinishedsize, alsousewirepicklinghot-koude-drawnaftergalvanizingtotherequiredsize duik.

Oilhardenedspringsteel draad: op-demandcan bemadeofcarbonsteeloralloy staal, surfacetreatmentsandquenchedandtemperedaftercolddrawingtoafinishedsize, dit kindoftechnologyinautomotivesuspensioncoil springandvalvespringsteel wirewithmoreordinarySprings, natuurlijk, canalsobeused.

Surfacetreatment:commonlyusedpicklingandphosphorization, removalofironoxidetoformphosphatecoating; thereare afewmechanicalapproach. Aimwastomeettherequirementsofcold-drawnwire-drawingprocess, smoothsurfaceisobtained. Springsteel wireforhighfatiguelife, zo'n asvalvespringsteel draad, staaldraad rodherein, reducingsurfacedefectsonsteelbilletgrinding, alsohelpreducedefects.

Tekening: finishedpullingthreaddrawingprocesshasagreatinfluenceontheproductproperties, vermindering van de totale oppervlakte van de generallyuselarger van ongeveer 90% (seeareareductionrate) andlowpassareareduction (10% - 20%), inordertoensurethetoughnessof theproduct. Forhigh strengthspringsteel draad drawingforthecontrolofexportsofsteeltemperaturebelow150 ° c, preventingwirereverseduetostrainagingcrack, whichisamajorflawofsteelscrap. Voor deze reden, de drawingagoodlubricationisrequiredandsufficientcooling, de smalllaneareareductionanddrawingspeedhelpsreducethewireand #39; stemperaturerise.

Warmte behandeling: carbonsteelSpringwireleadhardeningprocess u cangetveryfinePearlite (sorbite) fortheimprovementofdeepdrawingandspringpropertiesareuseful, patentingofthealternativeprocessoffluidized-bedis notextended, onlyinsmalldiameterapplication. Alloysteel wireannealingheat treatmentisgenerallyusedtomakedrawingdeformationmicrostructureadapted. RVS steelwireheat treatmentsolutiontreatment hetdoelvancontroles whichistoimprovetheOrganizationtomeettheneedsofdrawing.Oilquenchingprocessusedonthewireusinginductionheatingorgas,fuel oilfurnace, heatingthewiretotheaustenitizingtemperatureinsulationfor ergens, anothermedium-temperaturetemperingafterhardening. Althoughnominallycalledoil, basicallybywaterquenchingoraddpolymerwaterquenching.