冷冲模具毕业设计外文翻译冷冲模具使用寿命的影响及对策.docx

冷冲模具毕业设计外文翻译冷冲模具使用寿命的影响及对策.docx

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冷冲模具毕业设计外文翻译冷冲模具使用寿命的影响及对策

DieLifeofcoldstampingdieandmprovements

Overviewofstampingdie

StampingDie-Stampinginthecold,thematerial（metalornon-metallic）processingintoparts（orhalf）ofaspecialtechnicalequipment,calledcoldstampingdie（commonlyknownasDie）.Press-isatroomtemperature,usingthedieinstalledinthepresstoputpressureonthematerialtoproduceaseparationorplasticdeformation,andthustoobtainthenecessarypartsofapressureprocessingmethod.

Stampingdieintheformofmany,thegeneralcategoriesaccordingtothefollowingmainfeatures:

1.Accordingtothetechnicalnatureof

（1）Diealongtheclosedoropencontourthematerialarederivedfrommold.Ifblankingdie,punchdie,cutoffthemold,cutmode,cuttingmode,splitmode,etc..

（2）bendingmodetoblankorblanksheetalongastraightline（curvedline）tobend,deform,andthusobtainacertainangleandshapeoftheworkpieceinthemold.

（3）Thedrawingdieismadeoftheblanksheetopeninghollow,orhollowpiecesoffurtherchangestotheshapeandsizeofthemold.

（4）Dieroughorsemi-finishedworkpieceisconvexaccordingtoplan,directcopytheshapeofthedieshape,thematerialitself,generateonlylocalplasticdeformationofthemold.Suchasthebulgingmode,reducingthedie,expansiondie,formingdierolling,flangingmold,plasticmold.

2.Accordingtothedegreeclassificationprocesscombination

（1）singleprocessmodelinapresstour,justcompletedadiestampingprocess.

（2）compositemodelisonlyonestation,inapresstour,atthesamestationatthesametimetocompletemorethantwoortwodiestampingprocess.

（3）ProgressiveDie（alsoknownasthemodulusofcontinuity）inthefeedingdirection,rough,withtwoormoreofthestation,atthepressofavisit,workindifferentplacesonthecompletionoftwoortwosuccessiveRoadoverstampingdieprocess.

ChongcalledcoldstampingdieDie-wide.

Coldstampingdieisusedincoldstampingdiemoldindustry,andaccessoriesrequiredforhigh-performancestructuralceramicmaterials,preparationmethods,high-performanceceramicmaterials,moldsandaccessoriesfromthezirconiumoxideandyttriumaluminumpowderincreases,Prelementcomposition,Preparationisthesolutionofzirconia,yttriasolution,praseodymiumoxidesolution,accordingtoacertainpercentageofaluminasolutionwhenmixedliquor,ammoniumbicarbonateinfusion,byco-precipitationsynthesisofceramicmaterials,moldsandaccessoriesneededforrawmaterials,reactionprecipitategeneratedbythetreatment,drying,calciningandaccessoriesbyhighperformanceceramicmoldmaterialsuperfinepowder,andthenafterforming,sintering,finishing,theywillhavehigh-performanceceramicmaterials,moldsandaccessories.Advantagesofthisinventionistheinventionmadeofcoldstampingdiesandpartsandlongservicelife,theprocessdoesnotappearinthepressanditspartsandstampingdiebondgeneratedthephenomenonofstampingsurfaceissmooth,noglitches,canreplacetraditionalhigh-speedsteel,tungstensteel.

Diewiththemainparts

Diestampingtoolsisthemainprocessequipment,stampingrelyontherelativemovementunderthemoldcompleted.Processingtimebecausetheupperandlowermoldbetweentheconstantdivisionand,ifcontinuedoperationofthefingersofworkerstoenterorremaininthemoldclosed,therewillcertainlyposeaseriousthreattotheirpersonalsafety.

（A）ofthemoldmainparts,functionandsafetyrequirements

1.Workingpartsisadirectpunchtoblankformingtheworkingparts,therefore,itisthekeytomoldparts.Punchnotonlysophisticatedandcomplex,itshouldmeetthefollowingrequirements:

（1）beofsufficientstrength,cannotbebrokenordestroyedduringstamping.

（2）shouldbeappropriatetoitsmaterialandheattreatmentrequirements,topreventtoohighhardnessandbrittlefracture.

2.Positioningpartspositioningpartistodeterminethelocationofthepartsinstalledblank,therearepins（board）,gaugepin（plate）,leadissold,guideplate,knifesetfromtheside,sidepressureetc..Designshouldbeconsideredwhenpositioningpartseasytooperateandshouldnothavehadorientation,locationtofacilitateobservation,preferablyintheforwardposition,contouringtocorrectthepinlocationandpositioning.

3.Binder,unloadinganddischargingpartsbindercomponentsareblankholder,binderboard.

Blankholderpressurecandrawingblankholderforce,therebypreventingbilletsundertheactionofthetangentialpressurearchformedfolds.Theroleofpressureplatetopreventmovementandbounceblank.Topofthedevice,dischargeboard'sroleistofacilitatethepiecesandcleanupwaste.Thembythespring,rubberandequipment,puttingontheair-cushionsupport,canmoveupanddown,knockingoutpiecesofthedesignshouldhaveenoughtopoutput,movementtothelimitedspaces.Stripperplateareashouldbeminimizedorclosedpositionintheoperatinggroovemillingoutempty-handed.Exposureofthestripperplateshouldhaveprotectionaroundtheplate,topreventfingerinsertedintoorforeignobjectsinside,exposedsurfaceedgesshouldbebluntdown.

4.Guidepartsandguidesleeveguidepinisthemostwidelyusedpartofaguide.Itsroleistoensurepunchthepunchingclearancewhenaccuratematch.Therefore,theguideposts,guidecoverthegapshouldbelessthantheblankingclearance.GuidePostlocatednextmoldbase,toensurethatthestrokebottomdeadcenter,theleadcolumninthetemplateonthefaceoverthetopforatleast5to10mm.Guidecolumnsshouldbearrangedfarawayfromthemoduleandthepressureplateinthearea,sotheoperator'sarmsdonotgettotakeovertheleadcolumnmaterial.

5.Supportingandclampingtheupperandlowerpartswhichincludestemplates,diehandle,fixedplatepunch,plate,stopper,etc..

Upanddownthetemplateisthebasisofthecolddieparts,otherpartsarerespectivelyfixedatthetop.Templateplanesize,especiallyaroundthedirectiontobecompatiblewiththeworkpiece,toolargeortoosmallarenotconducivetoaction.

Somemolds（blanking,punchingtypemold）tothepiecesofconvenience,besetupunderthemoldplate.Atthistimethebestandthetemplateplateconnectedbetweenthescrew,thetwoplatethicknessshouldbeabsolutelyequal.Platespacingoutthepiecestobeabletoprevail,nottoomuch,soasnottobreakthetemplate.

6.Fasteningpartswhichincludesscrews,nuts,springs,pins,washers,etc.,aregenerallyusedstandardparts.Diemorewiththeamountofstandardparts,designchoiceandflexibilityshouldbetightenedtoensurethetopoutoftheneedtoavoidexposuretothesurfacefasteneroperatingposition,thestaffandimpedeoperationtopreventbumps.

Diewiththedevelopmentof

Sincereformandopening,withtherapiddevelopmentofthenationaleconomy,themarketdemandwiththegrowingDie.Inrecentyears,Diewiththeindustryhasbeenaround15%growthrateoftherapiddevelopmentofindustrialenterpriseswithownershipDiecomponentsalsochangeddramatically,inadditiontotheprofessionalmoldfactoryoutsideofstate-owned,collective,jointventures,wholly-ownedandprivatehasbeenarapiddevelopment.

Aswiththeacceleratingpaceofinternationalintegration,theincreasingcompetitioninthemarket,ithasbeenincreasinglyrecognizedproductquality,cost,andnewproductdevelopmentcapacities.Thecolddiemanufacturingisthemostbasicelementsofthechain,oneofthecolddiemanufacturingtechnologytomeasureacountry'smanufacturingsectorhasbecomeanimportantsymbolofthelevel,andlargelydeterminetheviabilityofenterprises.

Diewithenterprisestoincreaseinrecentyearsmanytechnologicaladvancesforinvestment,technologicalprogresswillbeseenasanimportantdrivingforceforenterprisedevelopment.Somedomesticenterpriseshavepopularizedthetwo-dimensionalmoldCAD,andgraduallybegantouseUG,Pro/Engineer,I-DEAS,Euclid-ISandotherinternationalcommonsoftware,individualmanufacturershavealsointroducedMoldflow,C-Flow,DYNAFORM,OptrisandMAGMASOFTetc.CAEsoftware,andsuccessfullyappliedinstampingdiedesign.

Acarcovermoldastherepresentativeofalargestampingdiemanufacturingtechnologyhasmadegreatprogress,DongfengMotorCorporationmoldfactory,moldmanufacturerssuchasFAWmoldcenterhasbeenabletoproducesomecarcovermold.Inaddition,manyresearchinstitutionsanduniversitiestocarryouttechnologyresearchanddevelopmentofmold.Afteryearsofeffort,inthemoldCAD/CAE/CAMtechnologyhasmaderemarkableprogress;inimprovingqualityandreducingmolddiedesignandmanufacturingcycle,andsocontributed.

AlthoughChinaDiewiththeindustryoverthepastdecadehasmaderemarkabledevelopment,butinmanywayscomparedwiththeindustrializedcountriesthereisstillalargegap.Forexample,theprecisionmachiningequipment,processingequipmentinDiewiththerelativelylowproportion;CAD/CAE/CAMtechnologypenetrationisnothigh;manyadvancedmoldtechnologynotwidelyso,resultinginaconsiderablenumberoflarge,sophisticated,complexandlongDielifewithdependenceonimports.

    Withthecontinuousprogressofscienceandtechnology,modernindustrialproductionofincreasinglycomplexanddiverse,productperformanceandqualityiseverincreasing,thusthecoldstampingtechnologyputforwardhigherrequirements.Inordertoadapttothecoldstampingtechnologyindustryneeds,coldstampingtechnologyitselfalsoininnovationanddevelopment.coldstampingtechnologyideaistoimproveandexpandasmuchaspossiblethe