使用磁性粉末去除精密部件上毛刺的加工方法外文翻译中英文翻译外文文献翻译.docx
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使用磁性粉末去除精密部件上毛刺的加工方法外文翻译中英文翻译外文文献翻译.docx
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使用磁性粉末去除精密部件上毛刺的加工方法外文翻译中英文翻译外文文献翻译
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附录1
英文原文
JournalofMaterialsProcessingTechnology187–188(2007)19–25
Microdeburringforprecisionpartsusingmagnetic
abrasivefinishingmethodS.L.Koa,.,YuM.Baronb,J.I.Parka
aCenterforAdvancedE-SystemIntegration,KonkukUniversity,1Hwayang-dong,
Kwangjin-gu,Seoul143-701,RepublicofKorea
bSaint-PetersburgStatePolytechnicUniversity,St.-Petersburg,Russia
Abstract
Usingthedevelopedelectromagneticinductorfordeburringmicroburr,moredetailcharacteristicsoftheperformanceareanalyzed.Experimentswerecarriedouttoverifytheinfluenceofeachconditions:
volumeofpowder,heightofgap,rotationalfrequencyoftheinductorandfeedvelocity.Properdeburringconditionsaresuggestedtosatisfytheproductivityandtheaccuracy.Inadditiontodeburringefficiency,theinfluencetosurfaceroughnessisanalyzed.Toimprovethesurfaceroughnessandimpurity,amethodofcoolantsupplyandcomponentofabrasivepowderareinvestigated.ItisprovedthatthecontinuousflowofcoolantandtheFepowderwithoutabrasiveiseffectivefordeburringandsurfacequality.
.2006ElsevierB.V.Allrightsreserved.
Keywords:
Magneticabrasivefinishing(MAF);Microburrs;Electromagneticinductor;Deburring
1.Introduction
Thequalityofprecisionpartscanbeevaluatedbythesurfaceandedgequality.Thegeometryofedgeisdeterminedbydeburringprocessforremovingburrandroundingprocess,whichis
necessaryforitsfunction.Thesurfacequalityisdeterminedbysurfaceroughnessandthestressstateofthesurface.Asoneofthefinishingmethods,magneticabrasivefinishingmethod
(MAF)hasbeenusedforalongtime[1–3].MAFisbasedonthemagnetizationpropertyofferromagneticironandthemachiningpropertyofabrasives,whichismadeofAl2O3andSiC.Alongthemagneticflow,whichisformedbythemagneticinductor,themagneticpowderswillbearrangedlikebrushesandthestrengthandstiffnessofthemagneticbrushescanbecontrolledbytheelectriccurrentsupplied.AsafirstapplicationofMAFtechnologyfordeburring,theburrformedonplaneafterdrillingwastriedtoberemoved.Aninductorforremovingtheburrformedindrillingwasproducedandanalyzedforeffectivedeburring[4].Theprecisepartusedassamplesinthisworkcontains5–10maveragedburrheight.Correspondingauthor.
E-mailaddresses:
slko@konkuk.ac.kr(S.L.Ko),
baron@burr.hop.stu.neva.ru(Y.M.Baron),jungil78@(J.I.Park).
and0.30–0.40msurfaceroughnessonsurfaceafterpiercingoperation.Inthepreviouswork,electromagneticinductorfordeburringthispartwasdesignedandmanufactured.Someconditionswereappliedtoevaluatetheperformanceoftheinductor[5].Theproperpowdersareselectedbasedonthepreviousworkusingtheevaluationmethodtocharacterizeperformance
ofpowder[6].Thecharacteristicequationcanbeobtainedfromsimplydevelopedexperimentmethod,whichenablestopredicttheproductivityandpowdertoollife[6].Inthispaper,proper
finishingconditionsaretoberecommendedforprecisiondeburring.Volumeofpowder,rotationalfrequencyofinductor,heightofgapandthefeedvelocityoftablearethemainfactorstobedeterminedfromthemoredetailexperimentbasedontheresultfromtheexperimentinpreviouswork.Asaresult,theoptimizedconditionsaresuggestedtoimproveproductivity.Thevibrationtableisappliedtoimprovetheperformance,whichwasverifiedinpreviousworkalsoasinFig.1.Theefficiencyfordeburringandthesurfaceroughnesscanbeimprovedusingthisvibrationtable[5].
Inthecaseofmicrodeburringforprecisionparts,improvementofsurfaceroughnessduringdeburringbecomesoneofthemostimportanttask.Mostinfluencingfactorsforsurfaceroughnessarecomponentofpowderandthecoolantsupplymethod.Fe-powderwithoutabrasiveisprovedtobeefficientbyprotectingadhesiononthesurfacewhichresultsin0924-0136/$–seefrontmatter.2006ElsevierB.V.Allrightsreserved.
doi:
10.1016/j.jmatprotec.2006.11.183
S.L.Koetal./JournalofMaterialsProcessingTechnology187–188(2007)19–25Fig.1.OverallviewofinductorEMI-2(a)andtheschemeofitsapplication(b).improvedsurfaceroughness.Andcontinuoussupplyofcoolantimprovesthesurfaceroughness.Theinfluenceofflowrateisalsoinvestigated.
2.Experimentequipment
TheelectromagneticinductorEMI-2wasdesignedandmanufacturedspeciallyforburrsremovalonsurfacesofsmallpartsmadefromferromagneticornon-magneticmaterials.TheviewoftheinductorandtheschemeoftheexperimentsareshowninFig.1.Threekindsofmovementsareinvolvedinthiscase:
inductorrotation;feedofthesample(workpiece);oscillationofthetopplatewithasampleinthedirectionnormaltothefeeddirection.Thesamplemovesinside
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