1、DieLifeofcoldstampingdieandmprovementsOverviewofstampingdieStampingDie-Stampinginthecold/thematerial(metalornon-metallic)processingintoparts(orhalf)ofaspecialtechnicalequipment/calledcoldstampingdie(commonlyknownasDie)/Press-isatroomtemperature/usingthedieinstalledinthepresstoputpressureonthemateria
2、ltoproduceaseparationorplasticdeformation/andthustoobtainthenecessarypartsofapressureprocessingmethod/Stampingdieintheformofmany/thegeneralcategoriesaccordingtothefollowingmainfeatures/1/Accordingtothetechnicalnatureof(1)Diealongtheclosedoropencontourthematerialarederivedfrommold/Ifblankingdie/punch
3、die/cutoffthemold/cutmode/cuttingmode/splitmode/etc/(2)bendingmodetoblankorblanksheetalongastraightline(curvedline)tobend/deform/andthusobtainacertainangleandshapeoftheworkpieceinthemold/(3)Thedrawingdieismadeoftheblanksheetopeninghollow/orhollowpiecesoffurtherchangestotheshapeandsizeofthemold/(4)Di
4、eroughorsemi-finishedworkpieceisconvexaccordingtoplan/directcopytheshapeofthedieshape/thematerialitself/generateonlylocalplasticdeformationofthemold/Suchasthebulgingmode/reducingthedie/expansiondie/formingdierolling/flangingmold/plasticmold/2/Accordingtothedegreeclassificationprocesscombination(1)si
5、ngleprocessmodelinapresstour/justcompletedadiestampingprocess/(2)compositemodelisonlyonestation/inapresstour/atthesamestationatthesametimetocompletemorethantwoortwodiestampingprocess/(3)ProgressiveDie(alsoknownasthemodulusofcontinuity)inthefeedingdirection/rough/withtwoormoreofthestation/atthepresso
6、favisit/workindifferentplacesonthecompletionoftwoortwosuccessiveRoadoverstampingdieprocess/ChongcalledcoldstampingdieDie-wide/Coldstampingdieisusedincoldstampingdiemoldindustry/andaccessoriesrequiredforhigh-performancestructuralceramicmaterials/preparationmethods/high-performanceceramicmaterials/mol
7、dsandaccessoriesfromthezirconiumoxideandyttriumaluminumpowderincreases/Prelementcomposition/Preparationisthesolutionofzirconia/yttriasolution/praseodymiumoxidesolution/accordingtoacertainpercentageofaluminasolutionwhenmixedliquor/ammoniumbicarbonateinfusion/byco-precipitationsynthesisofceramicmateri
8、als/moldsandaccessoriesneededforrawmaterials/reactionprecipitategeneratedbythetreatment/drying/calciningandaccessoriesbyhighperformanceceramicmoldmaterialsuperfinepowder/andthenafterforming/sintering/finishing/theywillhavehigh-performanceceramicmaterials/moldsandaccessories/Advantagesofthisinvention
9、istheinventionmadeofcoldstampingdiesandpartsandlongservicelife/theprocessdoesnotappearinthepressanditspartsandstampingdiebondgeneratedthephenomenonofstampingsurfaceissmooth/noglitches/canreplacetraditionalhigh-speedsteel/tungstensteel/DiewiththemainpartsDiestampingtoolsisthemainprocessequipment/stam
10、pingrelyontherelativemovementunderthemoldcompleted/Processingtimebecausetheupperandlowermoldbetweentheconstantdivisionand/ifcontinuedoperationofthefingersofworkerstoenterorremaininthemoldclosed/therewillcertainlyposeaseriousthreattotheirpersonalsafety/(A)ofthemoldmainparts/functionandsafetyrequireme
11、nts1/Workingpartsisadirectpunchtoblankformingtheworkingparts/therefore/itisthekeytomoldparts/Punchnotonlysophisticatedandcomplex/itshouldmeetthefollowingrequirements/(1)beofsufficientstrength/cannotbebrokenordestroyedduringstamping/(2)shouldbeappropriatetoitsmaterialandheattreatmentrequirements/topr
12、eventtoohighhardnessandbrittlefracture/2/Positioningpartspositioningpartistodeterminethelocationofthepartsinstalledblank/therearepins(board)/gaugepin(plate)/leadissold/guideplate/knifesetfromtheside/sidepressureetc/Designshouldbeconsideredwhenpositioningpartseasytooperateandshouldnothavehadorientati
13、on/locationtofacilitateobservation/preferablyintheforwardposition/contouringtocorrectthepinlocationandpositioning/3/Binder/unloadinganddischargingpartsbindercomponentsareblankholder/binderboard/Blankholderpressurecandrawingblankholderforce/therebypreventingbilletsundertheactionofthetangentialpressur
14、earchformedfolds/Theroleofpressureplatetopreventmovementandbounceblank/Topofthedevice/dischargeboardsroleistofacilitatethepiecesandcleanupwaste/Thembythespring/rubberandequipment/puttingontheair-cushionsupport/canmoveupanddown/knockingoutpiecesofthedesignshouldhaveenoughtopoutput/movementtothelimite
15、dspaces/Stripperplateareashouldbeminimizedorclosedpositionintheoperatinggroovemillingoutempty-handed/Exposureofthestripperplateshouldhaveprotectionaroundtheplate/topreventfingerinsertedintoorforeignobjectsinside/exposedsurfaceedgesshouldbebluntdown/4/Guidepartsandguidesleeveguidepinisthemostwidelyus
16、edpartofaguide/Itsroleistoensurepunchthepunchingclearancewhenaccuratematch/Therefore/theguideposts/guidecoverthegapshouldbelessthantheblankingclearance/GuidePostlocatednextmoldbase/toensurethatthestrokebottomdeadcenter/theleadcolumninthetemplateonthefaceoverthetopforatleast5to10mm/Guidecolumnsshould
17、bearrangedfarawayfromthemoduleandthepressureplateinthearea/sotheoperatorsarmsdonotgettotakeovertheleadcolumnmaterial/5/Supportingandclampingtheupperandlowerpartswhichincludestemplates/diehandle/fixedplatepunch/plate/stopper/etc/Upanddownthetemplateisthebasisofthecolddieparts/otherpartsarerespectivel
18、yfixedatthetop/Templateplanesize/especiallyaroundthedirectiontobecompatiblewiththeworkpiece/toolargeortoosmallarenotconducivetoaction/Somemolds(blanking/punchingtypemold)tothepiecesofconvenience/besetupunderthemoldplate/Atthistimethebestandthetemplateplateconnectedbetweenthescrew/thetwoplatethicknes
19、sshouldbeabsolutelyequal/Platespacingoutthepiecestobeabletoprevail/nottoomuch/soasnottobreakthetemplate/6/Fasteningpartswhichincludesscrews/nuts/springs/pins/washers/etc//aregenerallyusedstandardparts/Diemorewiththeamountofstandardparts/designchoiceandflexibilityshouldbetightenedtoensurethetopoutoft
20、heneedtoavoidexposuretothesurfacefasteneroperatingposition/thestaffandimpedeoperationtopreventbumps/DiewiththedevelopmentofSincereformandopening/withtherapiddevelopmentofthenationaleconomy/themarketdemandwiththegrowingDie/Inrecentyears/Diewiththeindustryhasbeenaround15%growthrateoftherapiddevelopmen
21、tofindustrialenterpriseswithownershipDiecomponentsalsochangeddramatically/inadditiontotheprofessionalmoldfactoryoutsideofstate-owned/collective/jointventures/wholly-ownedandprivatehasbeenarapiddevelopment/Aswiththeacceleratingpaceofinternationalintegration/theincreasingcompetitioninthemarket/ithasbe
22、enincreasinglyrecognizedproductquality/cost/andnewproductdevelopmentcapacities/Thecolddiemanufacturingisthemostbasicelementsofthechain/oneofthecolddiemanufacturingtechnologytomeasureacountrysmanufacturingsectorhasbecomeanimportantsymbolofthelevel/andlargelydeterminetheviabilityofenterprises/Diewithe
23、nterprisestoincreaseinrecentyearsmanytechnologicaladvancesforinvestment/technologicalprogresswillbeseenasanimportantdrivingforceforenterprisedevelopment/Somedomesticenterpriseshavepopularizedthetwo-dimensionalmoldCAD/andgraduallybegantouseUG/Pro/Engineer/I-DEAS/Euclid-ISandotherinternationalcommonso
24、ftware/individualmanufacturershavealsointroducedMoldflow/C-Flow/DYNAFORM/OptrisandMAGMASOFTetc/CAEsoftware/andsuccessfullyappliedinstampingdiedesign/Acarcovermoldastherepresentativeofalargestampingdiemanufacturingtechnologyhasmadegreatprogress/DongfengMotorCorporationmoldfactory/moldmanufacturerssuc
25、hasFAWmoldcenterhasbeenabletoproducesomecarcovermold/Inaddition/manyresearchinstitutionsanduniversitiestocarryouttechnologyresearchanddevelopmentofmold/Afteryearsofeffort/inthemoldCAD/CAE/CAMtechnologyhasmaderemarkableprogress；inimprovingqualityandreducingmolddiedesignandmanufacturingcycle/andsocont
26、ributed/AlthoughChinaDiewiththeindustryoverthepastdecadehasmaderemarkabledevelopment/butinmanywayscomparedwiththeindustrializedcountriesthereisstillalargegap/Forexample/theprecisionmachiningequipment/processingequipmentinDiewiththerelativelylowproportion；CAD/CAE/CAMtechnologypenetrationisnothigh；man
27、yadvancedmoldtechnologynotwidelyso/resultinginaconsiderablenumberoflarge/sophisticated/complexandlongDielifewithdependenceonimports/Withthecontinuousprogressofscienceandtechnology/modernindustrialproductionofincreasinglycomplexanddiverse/productperformanceandqualityiseverincreasing/thusthecoldstampi
28、ngtechnologyputforwardhigherrequirements/Inordertoadapttothecoldstampingtechnologyindustryneeds/coldstampingtechnologyitselfalsoininnovationanddevelopment/coldstampingtechnologyideaistoimproveandexpandasmuchaspossibletheadvantagesofthecoldstampingprocess/toovercomeitsshortcomings/inthecoldstampingte
29、chnologydevelopment/shouldnotethefollowingaspects/(1)coldstampingtechnologyprocessparametersshouldbeproperlyidentifiedandDiewiththeworkofsomeoftheshapeandsize/toimprovethequalityofstampingpartsandshortenthenewproductproductioncycleshouldbeinstrengtheningthemetalformingthebasisoftheoreticalstudies/to
30、metalformingtheorytopracticecanproduceadirection/andgraduallyestablishacloseconnectionwiththeactualproductionoftheadvancedprocessofcalculation/abroadhavebeguntouseplasticfiniteelementmethod/automobilepartsformingprocessofthestressandstrainanalysisandcomputersimulationtopredicttheformingpartofaprocessplanonthepossibilitiesandpotentialproblems/(2)toaccelerateproductreplacement/molddesigntoovercometheshortcomingsofalongcycle/Shouldvigorouslycarryoutcomputer-aideddesignandmanufactureofmolds(CAD/CAM)Research/Inmycountry/payingparticularattentiontostrengtheningthemulti-positionprogressivedie
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