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Extremely strengthened steel shot and innovative surface technology increase the life of automotive parts by 50 times
Abstract:
Thistechniqueissurfaceshotpeening.Shotpeeningisaprocessthatuseshigh-speedshotpeeningtoimpacttheworkpiecesurfacetoimprovepartofthemechanicalpropertiesandchangethesurfacestate.Shotpeeningisusedtoimprovemechanicalstrength,wearresistance,fatigueresistanceandcorrosionresistanceofparts.Itcanalsobeusedforsurfaceextinction,peelingandeliminatingresidualstressofcasting,forgingandweldingparts.CharacteristicsofpartsstrengthenedbyshotpeeningThemagnitudeofresidualcompressivestressonthesprayedsurfaceandthedepthofthecompressivestresslayerdependonthepropertiesofthesprayedmaterialandshotpeeningstrength.Thehigherthestrengthandhardnessofthematerial,thegreaterthecompressivestress,theshallowerthedepthofthecompressivestresslayer,thehighertheshotpeeningstrength,thegreaterthedepthofthecompressivestresslayer.MicrostructurechangesofsprayedsurfacematerialsThesprayedsurfacebecomesrough.Theroughnessoftheshot-impactedsurfaceincreaseswiththeincreaseofshot-peeningstrength,thedecreaseofsurfacehardnessandthedecreaseofprojectilesize.Themetalonthesprayedsurfaceisextrudedtoformtinymetalpeaks,sothesizeincreases.ApplicationscopeofshotpeeningShotpeeningcanpreventthebendingfatigueofautomobileparts;shotpeeningcanimprovethebendingfatiguepropertiesoftoothprofileroot;shotpeeningcanimprovethefatigueresistanceandsafeservicelifeofcrankshaft;shotpeeningcanincreasethestrengthandstiffnessofconnectingrod;strongshotpeeningprocesscanimprovethebendingfatiguestrengthandcontactfatiguestrengthofgearteeth.Degreeisanimportantwaytoimprovetheanti-occlusionabilityofgearsandtheservicelifeofgears.Surfaceshotpeeningisaneffectivesurfacestrengtheningtechnologytoimprovetheanti-fatiguefracturestresscorrosionandhydrogenembrittlementfractureoffasteners.Aftershotpeening,thereliabilityanddurabilityoftheworkpiececanbeimprovedobviously.Surfaceshotpeeningcanimprovethefatigueproperties(includingstresscorrosionproperties)bychangingthestructureofthematerialandimprovethequalityoffasteners.
Why to beat metal with steel balls? Read the whole process of shot peening on metal surface
Abstract:
Shotpeeningisaprocessthatuseshigh-speedshotpeeningtostrengthenthesurfaceoftheworkpiece,toimprovepartofthemechanicalpropertiesandchangethesurfacestateoftheworkpiece.Shotpeeningcanbeusedtoimprovemechanicalstrength,wearresistance,fatigueresistanceandcorrosionresistanceofparts.Itcanalsobeusedforsurfaceextinction,peelingandeliminatingresidualstressofcasting,forgingandweldingparts.
Shot peening technology on gear surface can increase service life by 50% and reduce noise greatly.
Abstract:
Shotpeeningisakindofshotpeeningtechnology,whichisdifferentfromshotpeeningcleaning.Thepurposeofshotpeeningcleaningistoremoveoilstain,oxidescale,rustandmachinedburrontheworkpiecesurface.Shotpeeningstrengtheningofgearsurfacemainlyreliesontheimpactofhigh-speedmovingprojectilesonthesurfaceofpartstoproduceelastic-plasticdeformation,resultinginfavorablechangessuchasresidualcompressivestress,workhardeningandfinestructure,soastoimprovethebendingfatiguestrengthandcontactfatiguestrengthofgears,andtoreducetheanti-occlusionabilityofgears.Thenoiseofgearscanincreasetheservicelifeofgearsbymorethan50%.

肇庆市高要区金利辉达五金厂

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