Duringthespinningprocess,thematerialwillundergosevereshaping,resultinginchangesinitsstructureandproperties.In combination with these conditions, hemisphere It can still let us see good development and bring fresh vitality to the whole market. https://richspinning.com/?hemispheres/
Inordertoimprovetheperformanceofspunpartsandimproveproductquality,heattreatmenttechnologyplaysavitalroleinthespinningprocess.
Heattreatmenthelpspinningbyimprovethematerialproperty
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I.Improvetheshapingpropertiesofmaterials
Beforespinning,properheattreatmentofthematerial,suchasannealing,caneliminatetheresidualstressinsidethematerial,reducethehardnessofthematerial,andimproveitsformability.Thismakesiteasiertoshapethematerialduringspinning,reducingdefectssuchascrackingandbreakage.Forexample,forsomealuminumalloymaterials,afterannealingtreatment,theirelongationissignificantlyincreased,whichcanbetteradapttotherequirementsofthespinningprocess.
II.Improvingthestrengthandhardnessofmaterials
Afterspinning,thestrengthandhardnessofpartswillbeimprovedduetoshaping,butthisstrengtheningeffectmaynotmeettheactualuserequirements.
Thestrengthandhardnessofspunpartscanbefurtherimprovedthroughappropriateheattreatmentprocesses,suchasquenchingandtempering.
Quenchingcanformstrengtheningphasessuchasmartensiteinsidethematerial,andtemperingcanadjustthemorphologyanddistributionofmartensite,
therebyobtaininggoodcomprehensivemechanicalproperties.Forhigh-strengthalloysteelspunparts,afterquenchingandtempering,theirstrengthcanbe
increasedseveraltimestomeettheuserequirementsunderhighloadconditions
III.EliminateresidualstressDuringthespinningprocess
Alargeamountofresidualstresswillbegeneratedinsidethematerial.Iftheseresidualstressesarenoteliminatedintime,thepartswilldeform,
crackandotherproblemsduringsubsequentuse,seriouslyaffectingthereliabilityandservicelifeoftheproduct.
Stressreliefannealingisacommonmethodtoeliminateresidualstressinspunparts.Byheat-insulatingthespunpartsatanappropriatetemperature,
theatomsinsidethematerialdiffuse,therebyreducingtheresidualstresslevel.Generallyspeaking,thehigherthestressreliefannealingtemperature
andthelongertheinsulationtime,thebettertheresidualstresseliminationeffect.However,toohighatemperatureandtoolongatime
maycausethematerialstructuretocoarsenandaffectthemechanicalpropertiesofthematerial,soitisnecessarytomakeareasonablechoicebasedon
thespecificmaterialandspinningprocess.
