汽車側(cè)圍a柱支撐板連接板冷沖模具設(shè)計(jì)論文-本科學(xué)位論文

結(jié)論本文介紹了汽車覆蓋件模具中拉延模的設(shè)計(jì)。最后，說下本設(shè)計(jì)特點(diǎn)：將沖壓工藝CAE與模具CAD進(jìn)行集成化，即一方面采用CAD系統(tǒng)為有限元模擬建立幾何模型，另一方面采用CAE分析結(jié)果對(duì)CAD設(shè)計(jì)結(jié)果進(jìn)行評(píng)價(jià)，提供改進(jìn)信息，優(yōu)化工藝參數(shù)和模具結(jié)構(gòu)，提高了模具設(shè)計(jì)質(zhì)量。在整個(gè)設(shè)計(jì)過程中，創(chuàng)造性地綜合運(yùn)用過去幾年所學(xué)的知識(shí)，有目的地學(xué)習(xí)當(dāng)前模具領(lǐng)域的新技術(shù)并運(yùn)用在本設(shè)計(jì)當(dāng)中，完成了本專業(yè)一個(gè)具體的設(shè)計(jì)任務(wù)。進(jìn)一步鞏固所學(xué)知識(shí)、加深和拓寬了知識(shí)面，培養(yǎng)和鍛煉了分析問題和解決問題的能力，提高了自主學(xué)習(xí)精神。參考文獻(xiàn)參考文獻(xiàn)[1]《沖壓工藝及沖模設(shè)計(jì)》翁其金徐新成機(jī)械工業(yè)出版社2006.2[2]《現(xiàn)代模具技術(shù)》編寫委員會(huì).汽車覆蓋件模具設(shè)計(jì)與制造.xx：國(guó)防工業(yè)出版社，1998.1[3]涂光祺等．沖模技術(shù)．xx：機(jī)械工業(yè)出版社，2002．8[4]黃亞娟等．CAD／CAE／CAM技術(shù)在汽車覆蓋件模具中的應(yīng)用與發(fā)展.機(jī)電工程技術(shù)，204年第33卷第5期.13～15[5]孫鳳勤．沖壓與塑壓設(shè)備.xx：機(jī)械工業(yè)出版社，1997.10[6]肖景容、姜奎華主編《沖壓工藝學(xué)》，機(jī)械工業(yè)出版社2002.8[7]曾向陽，謝國(guó)明，王學(xué)平等著.UGNX基礎(chǔ)及應(yīng)用教程.xx：電子工業(yè)出版社，2003.1[8]武曉紅．日本沖壓模具的技術(shù)特點(diǎn)．模具技術(shù)．2001（1），49~52[9]居襄等．汽車車身板料沖壓成形分析與模擬．汽車工程．1996（4），249~256[10]曹穎等．拉伸／收縮翻邊過程的修邊線預(yù)示．工程力學(xué)．2001（4），35~40[11]謝紅等．UG—Ⅱ計(jì)算機(jī)軟件在沖壓模具設(shè)計(jì)中的應(yīng)用．機(jī)械設(shè)計(jì)與制造．2000（4），18~19[12]F.-K.ChenandY.-C.Liao．AnAnalysisofDraw-WallWrinklinginaStampingDieDesign．IntJAdvManufTechnol(2002)19:253–259[13]姜奎華主編《沖壓工藝與模具設(shè)計(jì)》，機(jī)械工業(yè)出版社2002.3[14]何玉林等．機(jī)械制圖．重慶：重慶大學(xué)出版社，2000．8[15]鄧文英等．金屬工藝學(xué)．xx：高等教育出版社，2001．1[16]廖念釗等．互換性與技術(shù)測(cè)量．xx：中國(guó)計(jì)量出版社，2000．1[17]王新華、袁聯(lián)富編，《沖模結(jié)構(gòu)圖冊(cè)》，機(jī)械工業(yè)出版社；[18]薛啟翔等編，《沖壓模具設(shè)計(jì)制造難點(diǎn)與竅門》，機(jī)械工業(yè)出版社；[19]沖模設(shè)計(jì)手冊(cè)編寫組，《沖模設(shè)計(jì)手冊(cè)》，機(jī)械工業(yè)出版社；[20]模具實(shí)用技術(shù)叢書編委會(huì)主編《沖模設(shè)計(jì)應(yīng)用實(shí)例》，機(jī)械工業(yè)出版社參考文獻(xiàn)[21]中國(guó)模具設(shè)計(jì)大典編委會(huì)，《中國(guó)模具設(shè)計(jì)大典》電子版[22]《最新沖壓新工藝新技術(shù)及模具設(shè)計(jì)實(shí)用手冊(cè)》電子版［23］《冷沖壓模具設(shè)計(jì)指導(dǎo)》，王芳主編。機(jī)械工業(yè)出版社，1998.10附錄附錄附錄一：外文文獻(xiàn)Modernfasteconomymanufacturemoldtechnology1introductionAlongwiththeglobaleconomydevelopment,thenewtechnologicalrevolutionmadethenewprogressandthebreakthroughunceasingly,thetechnicalleapdevelopmentalreadybecomestheimportantattributewhichtheimpetusworldeconomicsgrew.Themarketeconomyunceasingdevelopment,urgestheindustryproductmoreandmoretothemulti-varieties,highgrade,thelowcostdirectiontodevelop,inordertomaintainandstrengthenstheproductinmarketcompetitivepower,productdevelopmentcycle,productioncyclemoreandmoreshort,thereupontomakeseachkindofproducttheessentialcraftequipmentmoldrequesttobemoreandmoreharsh.Ontheonehandtheenterpriseforthepursuescalebenefit,causesthemoldtoturntowardshighspeed,isprecise,thelonglifedirectiondevelops;Ontheotherhandenterpriseinordertosatisfythemulti-varieties,,theproductrenewalquickly,winsthemarkettheneed,requeststhemoldtoturntowardsthemanufacturecycletobeshort,thecostlowfasteconomydirectiondevelops.Thecomputer,thelaser,electronic,thenewmaterial,thenewtechnicaldevelopment,causesthefasteconomicalpatternmakingtechnologyevenmorepowerful,theapplicationscopeexpandsunceasingly,thetypeincreasesunceasingly,thecreationeconomicefficiencyandthesocialefficiencyaremoreandmoreremarkable.2fasteconomicalpatternmakingstechnologiestypeThefasteconomicalpatternmakingtechnologyandthetraditionalmachine-finishingcompares,hasthepatternmakingcycleshort,thecostislow,theprecisionandthelifecansatisfyintheproductiontheoperationrequirements,issynthesizesaneconomicefficiencyquiteremarkablekindtomakethemoldthetechnology,summarizesbelow,hasseveraltypestoleave.附錄2.1fastprototypesmanufacturestechnologyThefastprototypemanufacturetechnologyiscalledRPM,isonekindofnewmanufacturetechnologywhichthe80'slaterperioddevelops.US,Japan,England,Israel,Germany,Chinahaveallpromotedowncommercializationproduct,andhasformedthenewindustrygradually.RPMisthecomputer,thelaser,theopticalscanning,theadvancednewmaterial,thecomputer-aideddesign(CAD),thecomputerassistanceprocessing(CAM),thenumericalcontrol(CNC)synthesizestheapplicationthehightechnologyandnewtechnology.Intakesshapeintheconcepttaketheplaneseparate,pilesupastheinstruction,inthecontroltakethecomputerandthenumericalcontrolasthefoundation,takebiggestflexibilityasgeneralgoals.Ithasabandonedthetraditionalmachine-finishingmethod,tothemanufacturingindustrytransformationisasignificantbreakthrough,usestheRPMtechnologytobepossibledirectlyorindirectlythefastpatternmaking,thistechnologyalreadybyprofessionwidespreadapplicationandsoonautomobile,aviation,electricalappliances,ships,medicalservice,mold.Undersummarizedalreadycommercializationseveralkindofmodelsfasttotakeshapeatpresentthecraft.2.1.1lasersthree-dimensionalphotoetchingtechnology(SLATheSLAtechnologyhandsoverthecomputerCADmodellingsystemtoobtaintheproductthethree-dimensionalmodel,throughthemicrocomputercontrollaser,accordingtothedeterminationpath,iscarryingontotheliquidstatephotosensitiveresinbythelevelscanning,causeslayeruponlayertosolidifybythescannedsector,isunitedasonebody,formsthefinalthreedimensionalentity,afteragainpassesthroughtherelatedfinallyhardeningtopolishandsoonplacethequantity,formstheworkpieceorthemold.Thelaserthree-dimensionalphotoetchingtechnologymaincharacteristicismaytakeshapewilfullythecomplexshape,takesshapetheprecisionhigh,simulationstrong,materialusefactorhigh,performancereliable,theperformancepricequiteishigh.Suitstheproductoutlooktoappraise,thefunctionexperiment,fastmakestheelectrodeandeachkindoffasteconomicalmold.Butthistechnologyusesequipmentandphotosensitiveresinpriceexpensive,causesitscosttobehigh.2.1.2packoflevelsoutlinesmanufacturetechnology(LOM)TheLOMtechnologyisthroughthecomputerthree-dimensionalmodel,theuselaserselectivelytoitslaminationslice,willobtaineachsectionoutlinelayeruponlayerwillcake,finallywillfoldtheadditionthreedimensionalentityproduct.Itscraftcharacteristicistakesshapethespeedquickly,takesshapethematerialsmalladvantage,thecostlowly,becausedoesnothavechanges,thereforedoesnothavethethermalload,thecontraction,theinflation,thewarpandsoon,thereforetheshapeisstablewithaninchprecision,afterbuttakesshapethewastematerialblocktostriptakestime,speciallytheduplicatemiscellaneousitemsinteriorwastematerialstrips.Thiscraftissuitablefortheaviation,theautomobileandsoonandcenterthevolumebigworkpiecemanufacture.2.1.3laserspowderelectoraldistrictagglutinatestakesshapethetechnology(SLS)TheSLStechnologyisthecomputerthree-dimensionalmodelthroughthelaminationsoftwareitslamination,underthecomputercontrol,causesthelaserbeambasislaminationtheslicesectioninformationtothepowderbythelevelscanning,scanstothepowderagglutinatesthesolidification(polymerization,agglutinates,caking,chemicalreactionandsoon),layeruponlayersuperimposes,pilesupthethreedimensionalentityworkpiece.Thistechnicalmostmajorcharacteristiciscanatthesametimeuseseveralkindofdifferentmaterials(thepolycarbonate,thepolyethylenechloride,theparaffinwax,thenylon,ABS,Thecastinggranulatedsubstance)makescomponents.2.1.4fusesthedepositiontotakeshapethetechnology(FDM)TheFDMtechnologyismaysqueezeoutbythecomputercontrolfusestheconditionmaterialthespraynozzle,determinesthegeometryinformationaccordingtotheCADproductmodellaminationsoftware,squeezesouthalfflowregimetheheattomodelthematerialdepositiontosolidifythepreciseactualworkpiecethinlayer,frombottowtotoplayeruponlayerpilesupathreedimensionalentity,maymakethemoldortheproductdirectly.2.1.5threedimensionalprintingtakeshapethetechnology(3D-P)The3D-Ptechnologycontrolswiththemicrocomputertospurttheinkprintingheadcontinuously,thebasislaminationsoftwareselectivelydepositstheliquidcementingmaterialbythelevelonthepowderlevel,finallypilesupathreedimensionalentitybythesmoothprintingtwo-dimensionalleveJustslikedoesnotusethelaserthefastpatternmakingtechnology.Thistechnicalmainapplicationtakesshapeinadvanceinthecermetcompoundmaterialsporousceramicson,itsgoalisproducesthemoldor???themanufacturedirectlybytheCADproductmodel.2.2surfacestakeshapethepatternmakingtechnologyThesurfacetakesshapethepatternmakingtechnology,mainlyistheusespurtsspreads,theelectrolyticcasting,chemistrycorrosionandsoonthenewtechniqueformationcavitysurfaceandthefinepatternonekindofcrafttechnology,inthepracticalapplicationincludingfollowingseveralkindoftypes.2.2.1electricarcsspurtspreadtakeshapethepatternmakingtechnologyTheelectricarcspurtsspreadstakesshapethetechnicalprincipleis:Hastheelectricarcquantityofheatusingbetween2circulartelegramstinseltomeltthetinsel,dependsuponthecompressedgasitsfullatomization,andgivesthecertainkineticenergy,highspeedspraysinthetypemoldsurface,layeruponlayermounts,formsametalshell,namelythecavityinternalsurface,usestofillthesubstratematerialagain(generallyformetalsiltandresincompoundmaterials)performstosupportthereinforcement,enhancesitsintensityandtherigidity,combinesthemoldtogetherwiththemetalpatternframe.Thiskindofpatternmakingtechnologycraftsimple,costlow,manufacturecycleextremelyshort,thecavitysurfacetakesshapeonlyneedsforseveralhours,savestheenergyandthemetalmaterial,generalcavitysurface2-3mmisonlythick,simulationgreatlystrengthened,thepatternprecisionmayachieve0.5mum.Atpresentthistechnologywidelyusesinsuperficialshapeandsoonairplane,automobilemold,electricalappliances,furniture,shoemaking,fineartshandicraftiscomplexandthepatternfineeachkindofpolyurethaneproductblowmolding,attractsmodels,thePVCinjection,PUbecomesspongyandeachkindofinjectiontakesshapeinthemold.2.2.2electrolyticcastingstakeshapethetechnologyTheelectrolyticcastingtakesshapethetechnicalprincipletobesamewiththegalvanization,isaccordingtomodelthemold(ready-madeproductorfemalemoldwhichmakesaccordingtoproductblueprint)isthedatum(negativepole),placesintheelectrolyticcastingfluid(anode),causesintheelectrolyticcastingfluidthemetalliciontoreturntooriginalstatealatterplacedepositiononthetypemold,formsthemetalshell,afterstripsit,contactsthesurfacewiththetypemoldnamelyforthemoldthecavityinternalsurface.Thistechnicalmaincharacteristicissavesmaterial,themoldmanufacturecycleshort,electrolyticcastingleveldegreeofhardnessmayreach40HRC,enhancedtheresistancetowearandthelife,roughness,thesizeprecisioniscompletelyconsistentwiththetypemold,issuitablefortheinjection,attractsmodels,theblowmolding,keepsoutmodels,moldcavityandtheelectricsparkandsoonbakelitemold,glassmold,compressioncastingmoldtakesshapetheelectrodemanufacture.2.2.3cavitiessurfacesfinepatterntakesshapeetchingtechnologyTheetchingtechnologyisoptics,chemistry,themachiningsynthesisapplicationonekindoftechnology,itsbasicprincipleismakesfirstthepatterndesignthefilm,theninhasspreadthefilmonpatterndesignduplicationthephotosensitivematerialonthemoldcavitysurface,processchemistryprocessing,themoldcavitysurfacedoesnotformbytheetchingpartialprotectors,thenactsaccordingtothemoldmaterialquality,thechoicecorrespondingetchingcraft,patterndesignetchinginmoldinternalsurface.Thistechnicalmaincharacteristicisthetimeshort,theexpenseislow,patchingdamagesthepatterndesigntobepossibletoachieveflawlessly.2.3sprinkletocastintothetypesystemmoldtechniqueSprinklingtocastintotechnicalandcommoncharacteristicsofthetypesystemmoldisaccordingtothekindpieceforbasis,sprinkleaconvexandcavemold,asurfacedonotneedthemachinetoprocess.Makephysicallytomainlyhavefollowingseveralcategoriestypeinthemold.2.3.1tinmetalalloysystemmoldtechniqueThetinmetalalloymakesthemoldtechniquequicklyisabasisthroughthekindpiece,withtotalmetalalloyof(theorders138℃s,thebulgerateisthousandtimesitthree)oftheBi-Sn(tinof)twodollarsformaterial,havetheprecisefoundryofmethodatthesametimeaconvexmold,cavemold,pressakindoftechniqueofthesideturn.Shouldthetechnicalcharacteristicsistomakethemoldcostlow,themetalalloyisre-usable,themanufacturingperiodisshort,thesizeaccuracyishigh,theshape,sizeandthekindpiecesagreewithcompletely,amoldforcastinglifespancanamountto500-3000,veryinkeepingwithnewproductdevelopment,craftverification,thesamplemanufactureonatrialbasisandwinsmallbatchquantitypeace.2.3.2zincmetalalloysystemmoldtechniqueThisisakindoftotakethekindpiece(orthekindmold)asthebasis,withtheorderfor380℃sorsozincmetalalloysformaterial,sprinkletonotetheconvexandcavemoldrespectively,asurfacedoesnotcarryononekindsystemmoldtechniquethatthemachineprocessinprinciple.Thetechnique'scharacteristicsistomakethemoldcostlow,theperiodisshort,beingapplicabletocreatethelamellalargepulltostretchthemoldandhurtletocutthemoldandplasticsmolds.2.3.3resincompoundsmodelthemoldingtooltechniqueThisisakindoftotakethekindmold(orthecraftmodel)asthebasis,takingresinoritscompoundmaterialsasthefluidmaterial,sprinklingtheconvex(cave)moldofoutpouringfirst,againtheconvex(cave)moldofbasissticksupthewaxslice(thecleftlayer),sprinklingtonotetheconvex(cave)mold.Asurfacethatthattechniquemodeldoesnotneedthemachinetoprocess.ThethattechniqueandCAD/CAMscombinetogether,thecharacteristicsisthemoldingtoolsizeaccuracyhigh,themanufacturingperiodisshort,thecostislow,isthenewproductmanufactureonatrialbasis,thesmallbatchquantityproducesthecraftmaterialofnewpath.Beapplicabletothecreationlargeoverlaythepiecetopulltostretchthemold(alsocanthepartinsetthesteel),vacuumtoabsorbtheandgathertheammoniaesterhairbubbletomodelthemold,porcelainandceramicsmoldandimitatethetypetodependthemoldandcastmoldetc..2.3.4rubbersofsystemmoldtechniqueThattechniquetakemakingaprototypeormodelsasthebasis,makingintosoftrubberofsystempiece,thendependthehighpressuredintandmodelstofittogethercompletely.2.4extrusionstakesshapethetechnology2.4.1coldextrusionstakesshapeUsingtheberylliuimcopperalloygoodthermalconductivityandthestability,afterthesolidmeltagingtreatmentofmetal,usetheswagingpressuretomakethemoldconcavemodelcavity.Itscharacteristicismakesthecycleshort,thecavityprecisionishigh(theIT7level),surfaceroughnessRa=0.025mum,Theintensityishigh,thelifemayreach500,000times,doesnothavetheenvironmentalpollution.2.4.2ultramodelstakesshapethepatternmakingtechnologyThistechnologyisusingthemetalmaterialinthethincrystalgrain,certainlytakesshapethetemperature,underthelowdistortionspeedcondition,whenthematerialhasthebestsuperplasticity,toesattendtocarryoutraisedmoldwhichtheinitiativefinishes,thenmayextrudetheconcavemoldwiththesmallstrengthonekindoffasteconomicalpatternmakingtechnology.UltramodelstakesshapematerialtypicalrepresentativeisZn-22%AL.2.5doesnothavethemoldmulti-spotsformingtechnologyDoesnothavethemoldmulti-spotsfastformingtechnologyisbyCAD/CAM/CATThetechnologyisthemainmethodabout,mayadjustthebasemainbodygrouphighlyusingthecomputercontroltoformformsthesurface,replacesthetraditionalmoldtocarryonthethreedimensionalcurvedsurfaceformingtothesheetanmodernadvancedmanufacturetechnology.Thistechnologymaychangethedistortionwayandthestressfulconditionatwill,enhancesthematerialtheformedlimit,mayformrepeatedly,bythiseliminationmaterialinteriorremainingstress,therealizationdoesnothavethesnappingbackforming2.6triumphantUygurbrightsteelbeltblankingfallsthematerialpatternmakingtechnologyThenewsteelbeltblankingfallsthematerialpatternmakingtechnologyisonekindisdifferentwithhasraised,theconcavemoldstructuresteelbeltmoldgenerally,itiswithspeciallymakesthenewfasteconomicalpatternmakingtechnologybythesingleedgesteelbeltwhichthebackingstripiscomposed.Thiskindofmoldweightislight,onlythen200kg,theprocessingprecisionfor±0.35-0.50mm,maysuiteachkindofblackandthenon-ferrousmetal0.5-0.65mmthicksheetprocessinggenerally.Thelifemayachieve5-25tenthousand,theproductioncostislow.2.7moldssemifinishedmaterialsfastmanufacturetechnologysolidcastingBecausethemassivemoldsarebelongtothesingleunitortheproduction,themoldsemifinishedmaterialsmanufacturequalityandthecycleandthecosttothefinalmoldqualityandcyclicalandthecostinfluenceareveryimportant.Themodernmoldsemifinishedmaterialswidelyhaveusedtheseedscastingtechnology,theso-calledsolidcastingis(polystyrenePSeitherpolymethacrylatePMMA)manufacturesusingthefoamplasticsreplacestraditionalthewoodenmoldorthemetalpattern,afterthemodellingdoesnothavetotakeoutthemodel,thenmaythecasting,underthefoamplasticsmodelhightemperatureliquidmetalfunction,deflagratethegasificationbuttovanish,themoltenmetalsubstitutionoriginalfoamplasticsmodelholdstheposition,afterthecondensationformsthecasting.Thesolidcastinghasthefollowingseveralkindofsituationsinthepracticalapplication.2.7.1drysandssolidcastingNamelyalldoesnotdoanycementingagentquartzsandmodellingwith55-100goal,spreadswithEPSorthePMMAfoamplasticsmanufacturemodelhangsthe0.2-1mmthickpermeabilitygoodfireproofcoatinglevel,byenhancesthecastingsuperficiallyattractivefineness,preventedthefatsandorcollapsesthebox.2.7.2negativecompactionscastingThenegativecompactioncastingcallsVlawmodelling.Thistechnologyistheusealldoesbutdoesnothavethecementingagentthequartzsandtomakethemoldingsand,makesthemodelwithEPSorthePMMAfoamplastics,inundertheplasticfilmsealcondition,entireletscast(vacuumdegree0.4-0.67MPa)carriesontheliquidmetalcastingunderthenegativepressurecondition,afterthecastingcoagulatesrelievesthenegativepressurethentoobtainthesuperficialbrightandcleancasting.2.7.3resinsgranulatedsubstancesolidcastingMakesthemoldingsandusingtheresingranulatedsubstance,makesthemodelwithEPSorthePMMAfoamplastics,underthenormaltemperature,theatmosphericpressurecarriesontheliquidmetalcastingbuttomaketakesthecasting.usesthesolidcastingthetechnicalmanufacturemoldsemifinishedmaterialstohavethesizeprecisionhigh(theISO9level),processingremaindersmall(generallyabout5mm),doesnotneedtopulloutthemoldascent,doesnotneedthemakingcoreandthesandcorebrace,savesthemetalmaterial,economicalmakesthewoodenmodelthelumber,themanufacturecycleshort,thecostislow.Thistechnologysuitslarge-scale,iscomplex,thesingleunitmoldsemifinishedmaterialsproduction.theceramicsfinecast,losethecerotintocastandsoonthetechnologyareincreasingthemoldsemifinishedmaterialsprecision,reducetheprocessingman-hour,reducethemanufacturecycle,reduceaspectandsooncostalsodemonstrateitsuniquesuperiority.2.8otheraspectstechnologiesinordertosimplifythemoldthestructuraldesign,reducesthemoldcost,reducesthemoldmanufacturecycle,indomesticandforeignalsosuccessivelyappearedsomeotheraspectsnewtechnologyapplication,liketradesthemoldframe,therammingunit,thecuttingedgebuilt-upweldingquickly,inlaystheblockcasting,thenitrogenspringandsoon.2.8.1nitrogenspringsonmoldapplicationThenitrogenspringisonekindofnewelasticfunctionpart,replacesthespring,therubber,thepolyurethaneortheaircushionwithitside,itcanaccuratelyprovidepressesthestrength,thenmayhavethegreatlyinitialballpressureinthesmallspace,doesnotneedpre-tightly,isbasicallyhitthepressurebasicallyinthemoldentireworkprocesstobeconstant.Theballpressuresizeandtheworkingpointpositionmay,accurate,convenientlyadjustasnecessary,simplifiesthemoldtostretch,nearbythepressure,ex-denningisostructuralism,simplifiesthemolddesign,reducesthepatternmakingcycle,debugsthemoldtobeconvenient,reducesthereplacementmoldtime,enhancestheproductionefficiency.2.8.2fasttradesthemoldtechnologyBecauseproductvarietyincreasing,causesthemoldintheproductionthetransmutationextremelyfrequently,howthereuponreducestherammingequipmentthedowntime,enhancestheproductionefficiency,fasttradedthemoldtechnologytoreceivepeople'sattention.Atpresentdevelopedindustrialnationsomebigcompaniestradedthemoldspeedtoachieveastonishingdegree,whetherhadfasttradesthemoldtechnologytobecomeforanenterprisetechnologyadvancementsign.Thealwaystendencyisreducesthemoldtoinstallontheequipment,tobefixed,theadjustmenttime,thisbothmustgiveintheequipmentstructuraldesigntoconsider,andmustinthemoldstructuraldesign,thestandardizedaspectconsider,machineonworkasfaraspossibleplacingmachineunderwilldo.2.8.3rammingunitscombinationtechnologyTherammingunitcombinationtechnologyisdiesaresolveintoeachonesimpleunittheconventiontodie,accordingtotheworkingprocedurerequest,thearrangementcombination,completesthemanykindsoframmingworkingprocedurewhentheidenticalinferiorstrokethenewcraftequipment,theworktherammingunitnotwiththepunchpressslidejoint,onlyneedstheslideattackthentocompletetherammingwork.Whenindependentemploymentitis1completemold.Itmayusefortoprocessthesheetorthemoldingpunchholes,fallsthematerial,cutstheangle,thegrooving,shutsoffandtheshallowstretchandsoon.Hastheassemblystrongly,theeasytooperate,theversatility,theefficiencyisquicklygoodandsoonthecharacteristic,suitsthemulti-varietiesspecially,centertheproduction.2.8.4cuttingedgesbuilt-upweldingstechnologyIndiesinthemanufacture,taketheordinarygrayironasthesubstrate,inthecuttingedgespotbuilt-upweldinghighdegreeofhardnessalloysteel,byreplacesthemoldingtoolsteeltoinlaytheblock,thistechnologybecomesoneofworldadvancedcrafts.Thisisanitemsavesthemanufactureman-hour,savestheexpensivemoldsteelproducts,reducesthemoldmanufacturecyclethefasteconomicalpatternmakingtechnology.Atpresentmeltsextremelytheargonarcweldingtechnologyapplication,enhancedthecuttingedgebuilt-upweldingspeedandthequalitygreatly.Thistechnologyvariouscountriesmoldprofessionhaswidelyused,hasobtainedthegoodeconomicefficiency.2.8.5solidcastingdiethecuttingedgetoinlaytheblock\\technologyThisisonekinddiesthecuttingedgemethodwiththesolidcastingtechniquemanufacture,namelyinlaystheblockwiththealloy-steelcastingstoreplaceforgesthealloysteeltoinlaytheblock.Atpresentbecausethecastingcraftandtheheattreatmentcraftconsummateandtheenhancementunceasingly,thecastinginlaidtheblocktheintrinsicqualitytohavetheguarantee,thereforeitsapplicationscopewasexpandingunceasingly.Thisitembycaststhenewtechnicalprominentcharacteristicwhichthegenerationhammerssavesthepreciousmoldsteelproducts,simplifiesthemoldmanufactureworkingprocedure,becausetheprocessingremainderissmall,hassavedthemassivemachiningman-hour,reducesthemoldmanufacturecycle,reducesthemoldcost.2.8.6mayprocesstheplasticinmoldmanufactureapplicationMayprocesstheplastictobecommoninthedevelopedindustrialnationapplication,speciallyinmanufacturingindustryandsoonautomobile,airplane,mainlyreplacesthelumberorthemetalmanufactureautomobilebodyhostmodel,theprofile,examineshasandthecastingmodelandsoon.Mayprocesstheplasticthemaincharacteristicishasboththelumberandthemetalfineworkability,themanufacturecraftsimpleanddirect(mayusecompressionmolding,pour,spellssticks,methodwellandsoonsculpture),thesizestability,doesnotdistort,bearsmoistly,anti-corrosive,iseasytorepair,theeasymodification,theweightlight,themanufacturecycleshort,thecosttobelow.3concludingremarkFasteconomicalpatternmakingtechnologytypeverymany,itshasthecharacteristic,theapplicationscopearevarious,thisarticleonlycanbroadlymakesomesimpleintroductions,eachkindoftechnologystillhadmanyconcretetechnologicalprocesses,thecraftparameteranditsthetechnicalcharacteristicintheconcreteapplicationandtheimplementationprocess.Themoldisoneoffoundationindustries,intheglobalizationmarketeconomyandundereachkindofhightechnologyandnewtechnologyswiftandviolentdevelopmentsituation,thefasteconomicalmoldhasentrustedwiththenewmissionandthebrand-newconnotation,theclassificationincreasesunceasingly,thefasteconomicalpatternmakingmaterialturnstowardsthemulti-varietiesseriationtomakegreatstridesforward,thecrafthasthenewinnovationandthebreakthroughunceasingly,ispublishedoneafteranotherwithitsupplementaryequipment,theservicedomaininopensupunceasingly,thecreationeconomicefficiencyismoreandmoreremarkable.Alongwiththecommodityeconomydevelopment,theintensemarketcompetition,theproductrenewalacceleration,isreducingthecycletothefasteconomicalpatternmakingtechnology,reducesthecost,willincreasetheprecisionandlengthensthelifeaspecttherequesttobeabletobemoreandmorehighinevitably.Becauseitcancausetheenterprisetowinthemarket,createstheremarkableeconomicefficiency,moreandmorereceivesentrepreneur'sfavorandtheconcernedleaderdepartment'senormousattentionandthepolicyfundsupport.Eachkindof