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Весна стальной проволоки процесс

(Сталь) surfacetreatment---drawingofwire rod(mattresswiresavailablethismethod)

Patentedspringwires:inthemiddleofwiresizes, orcold-drawnspecleadhardeningandsurfacetreatmentanddrawing.

Galvanizedspringsteel провод: usuallyhot-dip galvanizingorplatingfinishedsize, alsousewirepicklinghot холод drawnaftergalvanizingtotherequiredsize.

Проволока Oilhardenedspringsteel: на demandcan bemadeofcarbonsteeloralloy сталь, surfacetreatmentsandquenchedandtemperedaftercolddrawingtoafinishedsize, это kindoftechnologyinautomotivesuspensioncoil springandvalvespringsteel wirewithmoreordinarySprings, конечно, canalsobeused.

Surfacetreatment:commonlyusedpicklingandphosphorization, removalofironoxidetoformphosphatecoating; afewmechanicalapproach косоглазии. Aimwastomeettherequirementsofcold-drawnwire-drawingprocess, smoothsurfaceisobtained. Springsteel wireforhighfatiguelife, такие asvalvespringsteel проволока, проволока стальная rodherein, reducingsurfacedefectsonsteelbilletgrinding, alsohelpreducedefects.

Рисование: finishedpullingthreaddrawingprocesshasagreatinfluenceontheproductproperties, generallyuselarger сокращение общей площадью около 90% (seeareareductionrate) andlowpassareareduction (10% - 20%), inordertoensurethetoughnessof наплавляются. Изделия strengthspringsteel проволока, drawingforthecontrolofexportsofsteeltemperaturebelow150 ° c, preventingwirereverseduetostrainagingcrack, whichisamajorflawofsteelscrap. По этой причине, drawingagoodlubricationisrequiredandsufficientcooling, smalllaneareareductionanddrawingspeedhelpsreducethewireand #39; stemperaturerise.

Тепло лечение: carbonsteelSpringwireleadhardeningprocess, вы cangetveryfinePearlite (сорбит) fortheimprovementofdeepdrawingandspringpropertiesareuseful, patentingofthealternativeprocessoffluidized-bedis notextended, onlyinsmalldiameterapplication. Alloysteel wireannealingheat treatmentisgenerallyusedtomakedrawingdeformationmicrostructureadapted. Нержавеющая steelwireheat treatmentsolutiontreatment, thepurposeof whichistoimprovetheOrganizationtomeettheneedsofdrawing.Oilquenchingprocessusedonthewireusinginductionheatingorgas,fuel oilfurnace, heatingthewiretotheaustenitizingtemperatureinsulationfor когда-то, anothermedium-temperaturetemperingafterhardening. Althoughnominallycalledoil, basicallybywaterquenchingoraddpolymerwaterquenching.