Surfacetreatment (เหล็ก)---drawingofwire rod(mattresswiresavailablethismethod)
Patentedspringwires:inthemiddleofwiresizes, orcold-drawnspecleadhardeningandsurfacetreatmentanddrawing
ลวด: usuallyhot Galvanizedspringsteel-galvanizingorplatingfinishedsize, alsousewirepicklinghot-เย็น-drawnaftergalvanizingtotherequiredsize จุ่ม
Oilhardenedspringsteel ลวด: เหล็ก bemadeofcarbonsteeloralloy บน demandcan, surfacetreatmentsandquenchedandtemperedaftercolddrawingtoafinishedsize นี้ kindoftechnologyinautomotivesuspensioncoil springandvalvespringsteel wirewithmoreordinarySprings แน่นอน canalsobeused
Surfacetreatment:commonlyusedpicklingandphosphorization, removalofironoxidetoformphosphatecoating; thereare afewmechanicalapproach Aimwastomeettherequirementsofcold-drawnwire-drawingprocess, smoothsurfaceisobtained Springsteel wireforhighfatiguelife เช่น asvalvespringsteel ลวด ลวดเหล็ก rodherein, reducingsurfacedefectsonsteelbilletgrinding, alsohelpreducedefects
วาด: finishedpullingthreaddrawingprocesshasagreatinfluenceontheproductproperties, generallyuselarger ลดพื้นที่รวมประมาณ 90% (seeareareductionrate) andlowpassareareduction (10-20%), inordertoensurethetoughnessof theproduct ลวด strengthspringsteel Forhigh, drawingforthecontrolofexportsofsteeltemperaturebelow150 c, preventingwirereverseduetostrainagingcrack, whichisamajorflawofsteelscrap สำหรับเหตุผลนี้ drawingagoodlubricationisrequiredandsufficientcooling, smalllaneareareductionanddrawingspeedhelpsreducethewireand #39; stemperaturerise
ความร้อนบำบัด: carbonsteelSpringwireleadhardeningprocess, cangetveryfinePearlite (sorbite) fortheimprovementofdeepdrawingandspringpropertiesareuseful, patentingofthealternativeprocessoffluidized-bedis notextended, onlyinsmalldiameterapplication Alloysteel wireannealingheat treatmentisgenerallyusedtomakedrawingdeformationmicrostructureadapted สแตนเลส steelwireheat treatmentsolutiontreatment, thepurposeof whichistoimprovetheOrganizationtomeettheneedsofdrawing.Oilquenchingprocessusedonthewireusinginductionheatingorgas,fuel oilfurnace, heatingthewiretotheaustenitizingtemperatureinsulationfor บางครั้ง anothermedium temperaturetemperingafterhardening Althoughnominallycalledoil, basicallybywaterquenchingoraddpolymerwaterquenching
