外文翻译现代模具制造技术工艺和发展前沿Word格式.docx

外文翻译现代模具制造技术工艺和发展前沿Word格式.docx

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formingmethod-thesametotalamountofmaterialthroughtheflowofmaterialsandgetthebody;

cumulativelaw-bythematerialcontinuetoincrease,theaccumulatedthenecessaryphysical.

1.1RemovalofMoldProcessing

Thisisthelargestmoldmakerforaclassofmethods,includingmachining,EDM（EDM,wirecutting,electrolytic,etc.）,chemicalprocessing,suchascorrosion.Characterizedbytheshape-sizecomponentsisremovedfromtheblankmaterialtoberedundant.

1.1.1Machining

About90%ofthemoldbymilling,turning,grindingandothermachiningmethods.Theyaremainlyusedtomoldpartsofthefinalprocessingaids,aswellasworkingpartsofthepre-moldprocessingandfinalprocessing.

（1）high-speedmachiningandmillingtechnology

Becausethemoldcavityoftenwithalargenumberoffree-formsurfaces,thetraditionalhand-madehasbeenunabletomeettheneedsofthelinkageofthethree-axisormulti-axisCNCmillingmachinecansolvethemaximumextentoftheprobleminthisregard.Therefore,CNCmillingandprogrammingtoolalsonaturallybecomethefocusofadvancedmanufacturingtechnology.

（2）diecuttingandmulti-axisjointcoordinateprocessingmode

Formingtheworksurfacegrindingisatraditionalmethodoffinishingwithahigh-precision,high-performanceadvantagesofdegrees.Inthemoldmanufacture,diecutshapeismainlyusedRuledSurfacefinishingpunch,diepiecesandEDMelectrodesandothercomponentsused.

（3）Themoldandpolishing

Aftersurfacemachining,surfaceroughness,regardlessoftheirsizemustbepolishedagain.MoldPolishingMoldcurrentresearchisstillmainlymanuallyorwithelectricorpneumaticequipment,manuallypolished,lowefficiency,laborintensity,andthequalityofinstability.Chinahasimportedthree-dimensionalsurfacecanbeautomaticdiepolishingoftheNCInstitutemold.Developedhumanoidintelligentautomaticpolishingtechnologyhasalsobeenmade,butfewerapplications.Moldthefutureresearchwillbetowardsthespecialmode,thecomposite,automation,intelligentdirection.Extrusiondie,suchasresearch,studymodeandlaserpolishing,EDMpolishing,electrochemicalpolishing,aswellasultrasonicpolishingcompoundpolishingequipmentandtechnology.

1.1.2EDM

Moldprocessingtechnologyofelectricitymainlyreferstowirecutting,EDM,piercingandelectrolysisprocessing.

（1）WEDM

CuttingEDMsparkdischargeusingmetalmeltingorvaporization,andmeltingorvaporizationofthemetaltogetridofinordertoachieveavarietyofshapesmetalpartsprocessing.Wire-cuttingforprocessingsmallprecision,complexshapes,materials,specialdieparts,themorecomplexshapes,smallprecisiondies,carbidediesinparticular,itseconomiceffectshasbecomemoresignificant.Micro-EDMandWireCuttingwalkingisthemaindevelopmentofhotspotsinrecentyears.

（2）CavityEDM

EDMcavityformingareplicationprocess,itistheuseofsparkdischargemethodtocopytheshapeoftoolelectrodeintheblankmoldcavityformed.EDMcavitymoldintoday'

smanufacturingindustryhasbeentooccupythepositioncannotbeignored,itcanbesinteredmetalblocksandsteelintheconventionalmethodsofprocessingcannotbeprocessedortheshapeofdifficultprocessingcomplex,thesizeofthefinework,therightchoiceandtheuseofelectrodesenablesthecostofmoldmanufacturingmethodthanconventionallow-40%.

JapaninventedanewEDMmethod,thatis,intheprocessofaddingtherightamountofliquidmicro-silicapowder,oraluminumpowder,graphitepowdermaybe,canmakemanytimesmorethanthesurfaceofprecisioncanbeimproved,thecurrentprocessingmethodscorrespondingEDMhasalsobeencommercialized.EDMtechnologycannotbeseparatedfromthenextthreetrends,namely,high-speedandhighprecisionandhighautomation.

（3）ElectrochemicalMachining

ECMisbasedontheprincipleofelectrolysis（theelectrochemicalanodicdissolution）willbetheshapeofthecathodetoolforcopyingontoblankinthemoldcavityofmoldprocessing.Assoonastheanodeandcathodepartsoftheformingtoolinsertelectrolyte,theeffectofcurrent,betweentheanodeandcathodeexchangeofchargeandmaterials,theresultofdissolutionofworkpiece.Inthisway,canalsobepartofthesurfaceareacoveredbytheprotectionlayer,onlytootherpartsoftheplaceoftheoxidepartofthematerial.

1.1.3DieCAD/CAE/CAM

（1）moldsoftwareintegration,intelligent

Moldsoftwareintegratedsoftwaremodulesrequirerelativelycomplete,whilethefunctionmoduleusingthesamedatamodel,inordertoachievecomprehensivemanagementandinformationsharing,tosupportthemolddesign,manufacturing,assembly,inspection,testingandproductionmanagementoftheentireprocesstoachieveoptimalbenefits.

SuchastheUnitedKingdom'

sDeleamseriessoftwareincludessurface/solidgeometrymodeling,complexphysicalengineeringgraphics,industrialdesignofhigh-levelrendering,plasticmolddesignexpertsystem,thecomplexityofphysicalCAM,modelingandcarvingartautomaticprogrammingsystem,reverseengineeringsystemandOnlinemeasurementofcomplexphysicalsystems.

（2）molddesign,analysisandmanufactureofthree-dimensional

Molddesign,analysis,manufacturingthree-dimensionalandrequireanewgenerationofpaperlesssoftwaretothree-dimensionalmold,intuitivefeeltothedesignofmold,usingthree-dimensionaldigitalmodelcanbeeasilyusedintheproductstructureoftheCAEanalysis,toolingmanufacturingevaluationandCNCmachining,formingprocesssimulationandthemanagementandsharingofinformation.

Cimatroncompany,suchasinjectionmoldexpertsoftwarecanautomaticallygeneratepartingdirectioninaccordancewithsub-typelineandsub-surface,generatedwiththeproductscorrespondingtothecoreandcavity,therealizationofthewholemold-relatedparts,andBOMisautomaticallygeneratedforNCdrillingprocessoftheform,andcapableofintelligentprocessingparameters,suchasprocessingtheresultsofcalibration.

（4）moldsoftwareapplicationsnetworkingtrend

Withthemoldintheenterprisecompetition,cooperation,productionandmanagementofglobalization,internationalization,andcomputerhardwareandsoftwaretechnology,therapiddevelopmentofnetworkindustriesinthemoldallowsthevirtualdesign,agilemanufacturingtechnologybothnecessaryandpossible.TheUnitedStatesinits«

21CenturyManufacturingEnterpriseStrategy"

thatby2006theautomotiveindustrytoachieveagilemanufacturing/virtualengineeringsolutionstoautomotivedevelopmentcycleshortenedfrom40monthstofourmonths.

1.1.4chemicaletchingprocess

Chemicaletchingprocessisbasedontheprincipleofmetalinacid,alkali,solubleinsaltsolution,thatis,thematerialofmetallicmaterialsbecauseoftheirmicro-regionoftheenergydifferencebetweenthematerialandcorrosionortheenergydifferencebetweenthesolventanddissolutionoccurred.Metalatomsafterthereleaseofe-ionintheformofescapefromthemetallattice,freeionsandtheexistenceofcorrosionsolutioncombinedwithanionicandcationicdisappear.Removalofmetalionsandanionscombinetobecomeinsolublesalts,insolublemetalsaltsthatmustbethewaytofilterorcentrifugethesolutionfromacorrosionseparated.Forexample,etching.

1.2Oftheformingmoldprocessing

Inmanycases,theneedfortheapplicationofspecialsteel,non-ferrousmetalalloyornon-metallicmaterials,byformingvariousshapestocreatethemoldcavity.Formingmethod,includingcasting,plasticformingandsoon,theircommoncharacteristicistheshapeofpartsfrombilletsizeofthetransferofmaterialobtainedduringprocessing,theamountofthematerialwillremainbasicallyunchanged.

1.2.1DieCastingProcess

Diecastingprocesscommonlyusedcanbedividedintothreetypes,namely,sandcasting,ceramicsandfoundryofEPC.Specificusedependsonwhatkindofmoldthesizeoftype,precision,andacopyoftherequiredtoachievethesurfacequality.Diecastingmanufacturerswiththegreatestadvantageofalmostimmediatelyaftercastingtheuseofverysmallamountoffollow-upprocessing.

1.2.2thelegalsystemofplasticextrusiondie

（1）Hotstampingmethod

Hotstampingmoduleisheatedtoforgingtemperature,theuseofpre-preparedcoremoduleandtheextrusionpressureofpeopleoutofthewaytogroove.Corepartscanbeusedbyitselforpre-processingcoreexpertise.

（2）coldextrusionmethod

Extrusiondiewiththeexternalpartstoshapeforming,afterhardening,polishing,andthenincreaseinarowunderpressure,0.1~10mm/minspeedforcedtosqueezeintothesoftannealedsteelblock,thisblockinthesteeltoformthefirstcopyoftheextrusiondieconcavemodel.Thisprocesslimitedtothemostdieunderpressureandbyabout3000MPaannealedsteelyieldstrengthlimit.

（3）SuperplasticExtrusion

Superplasticextrusionmethodistheuseofmaterialsinthesuperplasticstatetothecavityformingpunchextrusionmethod.Atahighstateofmaterialplasticextrusioncavity,smoothsurface,sizeprecision;

materialdeformationresistancelow,comparedwiththecoldextrusioncanreducetheextrusionpressureofaboutone-tenthofafew;

Inaddition,fromdesigntomachiningmoldshavebeensimplified,materialconsumptionreductioncostreductiondie;

dielife