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ChinasplasticmoldindustryanditsdevelopmenttrendFirstchinasplasticmoldindustryChinasindustrialplasticmouldsfromthestarttonow,aftermorethanhalfacentury,therehasbeengreatdevelopment,moldlevelshavebeengreatlyenhanced.Mouldhasbeenatlargecanproduce48inchbigscreencolorTVMoldedCaseinjectionmold,6.5kgcapacitywashingmachinefullofplasticmolds,aswellastheoverallcarbumpersanddashboards,andotherplasticmouldprecisionplasticmolds,thecameraiscapableofproducingplasticmould,multicavitymoldsmallmodulusgearandmoldingmold.SuchasTianjinandYantaidaysElectricalCo.,LtdPolarisIKCo.manufacturedmulticavitymoldVCDandDVDgear,thegearproductionofsuchsizeprecisionplasticparts,coaxial,beatingrequirementshavereachedasimilarforeignthelevelofproduct,butalsotheapplicationofthelatestgeardesignsoftwaretocorrectcontractionasaresultofthemoldingprofileerrortothestandardinvoluterequirements.Productioncanonly0.08mmthicknessofatwocavitymoldandtheairCupdifficultyofplasticdoorsandwindowsoutofhighmodulus,andsoon.Modelcavityinjectionmoldingmanufacturingaccuracyof0.02to0.05mm,surfaceroughnessRa0.2μm,moldquality,andsignificantlyincreaselifeexpectancy,nonhardeningsteelmouldlifeupto1030million,hardeningsteelformupto5010milliontimes,shortenthedeliverytimethanbefore,butstillhigherthanabroad.ThepresentconditionoftheplasticmouldlevelathomeandabroadThewhole,Chinaplasticmouldwhetherinquantity,orinquality,technologyandabilityhasmadeagreatprogress,butwiththeneedsofthedevelopmentofthenationaleconomy,theworldadvancedlevel,comparedtoagapstill.Somelarge,sophisticated,complex,thelonglifeofhighgradeplasticmouldstillneedtoimportalotofeveryyear.Inthetotalamountofdemandexceedingsupplyatthesametime,somecheapplasticmoldbutsupplyexceedsdemand,marketcompetitionisintense,andsometechnicalcontentistoohighmiddlegradeplasticmouldalsohasthetrendofsupplyexceedsdemandJoiningtheWTO,plasticmoldanddieindustrytobringhugechallenge,atthesametimebringmoreopportunities.BecauseofChinascheapplasticmoldtoproducts,productpriceobviousadvantages,someevenonly1/5ofthepricetheforeignproductonethirdto,tojointheWTO,foreignsimilarproductstodomesticlittleimpact,andcheapChineseexportsofmouldisincreaseInthehighprecisionmould,beforejoiningtheWTOwasmainlyrelyonimports,joinWTO,notonlyfortheexquisiteproductsimporthasbroughtmoreconvenient,butalsoleadtomoreforeigninvestmenttoChinafactory,bringforeignadvancedmouldtechnologyandmanagementexperience,tocultivateChineseprofessionalmouldtalentstotherole.Inrecentyears,Chineseplasticmouldmanufacturingconditionshaveimprovedgreatly.Largeplasticmouldhasproducedsinglesetofweightcanupto50tonsofinjectionmold,precisionplasticmouldhasreachedtheaccuracyof2μm,precisionpartshighsmallmodulegearmouldandreachtherequirementsofthehighlightslearnlampmouldetchasalsocanproduce,plasticmoldcavityhasbeenabletoproduceamodeofplasticmoldcavity7800,highspeedmoldproductionspeedcanhaveupto6m/minabovethehighspeedplasticdifferentprofileextrusiondieandthedualchambercoextrusionprofiles,doublecolorcoextrusion,softhardcoextrusion,werecrowded,againofextrusionandlowfoamingrawsteelplasticcoextrusion,etc.Variouskindsofmold.Intheproductionmeans,mouldenterpriseequipmenttonumericalcontrolratehasincreasedgreatly,CAD/CAE/CAMtechnologyhasgreatlyexpandedtheapplications,highspeedprocessingandRP/RTadoptionofadvancedtechnologiessuchashasbeenmoreandmore,standardmouldusingcoverageanddiecommercializationrateisgreatlyimproved,theshareofmouldofhotflowpathareimprovedgreatly.Inaddition,foreigninvestedenterprisevigorousdevelopmentoffurtherpromotedtheplasticmoulddesignandmanufacturelevelandimprovethemanagementlevelofenterprises,someenterprisealreadyinformatizationmanagementanddigitalnoPICmanufacturing.Asmoulddesignandprocessingenterprisestoraisethelevelof,mouldmanufacturingisfromthepastreliesmainlyonthetransformationoftheskillsoffittermainlyrelyontechnology.Thisisnotonlythemeansofproductionchange,andchangethewayofproductionandtheriseoftheconcept.Thisisatrendthatthestandardizationofmouldcontinuousimprovement,theprecisionofmoreandmorehigh,productioncycleismoreandmoreshort,fitterproportionmoreandmorelow,andfinallypromotetheoveralllevelofthedieandmouldindustryisrising.Chinamoldanddieindustryatpresentmorethan10nationalhighandnewtechnologyenterprise,about200﹑hightechnologyandnewtechnologyenterprise.Andadapttothetrend,themainproductionmoldbackbonestrengthfromskilltalentedpersongraduallyintotechnologytalentsisaninevitablerequirement.Ofcourse,nowandforquitealongtime,andhighlytalentedpersonstillveryimportant,becauseafterall,hardtogetridofmouldtoskilldependon.ExistingmainproblemsChinaplasticmouldindustryandforeignstandards,mainlyexistinthefollowingquestions.1theunbalanceddevelopment,productoveralllevelislow.Althoughtheindividualenterpriseproductshasreachedorcomeclosetotheadvancedinternationallevel,butoverall,theaccuracy,theroughnessofthecavitysurface,productioncycle,lifeindexandinternationaladvancedlevelthereisabiggapbetweencompared.Includingproductionmodeandtheoveralllevelofenterprisemanagement,withforeignindustrialdevelopedcountriestherearecomparedformorethan10yearsthegap.2processequipmentbackward,organizationandcoordinationabilityispoor.Thoughsomeofthetechnologicaltransformationoftheenterpriseafterinrecentyears,hasbeenmoreadvancedtechnologyandequipmentlevel,someoftheforeigninvestedenterpriselevelofequipmentisnotbehindabroad,butmostoftheenterpriseprocessequipmentisstilllagbehind.Moreimportantly,theenterpriseorganizationcoordinatedabilityispoor,difficulttointegrateortransferofsocialresourcesuse,thusitwillbedifficulttoundertakelargerprojects.3mostenterprisedevelopmentabilityisweak,theinnovationabilityisnotenough.Ontheonehand,lowleveloftechnicalpersonnelproportionisnotquitehigh,ontheotherhandisthescientificdevelopmentlessinputMoreimportantconceptsbackward,insufficientattentiontoinnovationanddevelopment.Mouldenterprisenotonlytopayattentiontothedevelopmentofthemould,alsowanttopayattentiontotheinnovationoftheproduct.4shorttermrelieftothecontradictionbetweensupplyanddemand.Inrecentyears,domesticplasticsmoulddomesticmarketmeetratehasbeenlessthan74,includingalarge,precision,longlifemoldmeetmoreratelow,lessthan60estimate.Meanwhile,industrialdevelopedcountriesareacceleratingthemouldtransferringtoChina,internationalpurchasingmoreandmore,theinternationalmarkethasagoodprospect.Themarketdemand,productionisdifficulttokeepupwithdevelopmentatthattime,inshortsupplysituationwillcontinueforaperiodoftime.Therearemanyreasonswhichcreatestheabovedisparity,themoldlongtermhasnotobtainedthevaluebesidesthehistoryinastheproductwhichshouldhave,aswellasthemoststateownedenterprisesmechanismcannotadaptthemarketeconomy,butalsohasthefollowingseveralreasons.1CountrytomoldindustrypolicysupportdynamicsalsoinsufficientlyAlthoughthecountryalreadywasclearabouthaspromulgatedthemoldprofessionindustrialpolicy,butnecessarypolicyfew,carriedoutdynamicstobeweak.Atpresentenjoyedthemoldproductincrementdutyenterprisenation185,themajorityenterprisestillthetaxburdenisonlyoverweight.Themoldenterprisecarriesonthetechnologicaltransformationsintroductionequipmenttohavetopaytheconsiderableamountthetaxmoney,affectsthetechnologyadvancement,moreoverprivatelyoperatedenterpriseloanextremelydifficult.2Talentedpersonseriousinsufficient,thescientificresearchdevelopmentandthetechnicalattackinvestmenttoourineMoldprofessionisthetechnology,thefund,theworkcrowdedindustry,alongwiththetimeprogressandthetechnicaldevelopment,graspsthetalentedpersonwhichandskilledutilizesthenewtechnologyexceptionallyshort,thehighqualitymoldfitterandtheenterprisemanagementtalentextremelyisalsoanxious.Becausethemoldenterprisebenefitunsatisfactoryandtakesinsufficientlythescientificresearchdevelopmentandthetechnicalattack,thescientificresearchunitandtheuniversities,collegesandinstituteseyestaresatiscreatingincome,causesthemoldprofessioninveststoofewinthescientificresearchdevelopmentandthetechnicalattackaspect,causesthemoldtechnologicaldevelopmentstepnottobebig,progressesnotquick.3Thecraftequipmentleveltobelow,alsonecessaryisnotgood,theusefactorlowrecentyearsourcountryenginebedprofessionprogressedquickly,hasbeenabletoprovidethequitecompleteprecisionworkequipment,butcomparedwiththeoverseasequipment,stillhadabiggerdisparity.Althoughthedomesticmanyenterpriseshaveintroducedmanyoverseasadvancedequipment,buttheoverallequipmentlevellowareverymorethantheoverseasmanyenterprises.Asaresultofaspecttheandsoonsystemandfundreason,introducestheequipmentnotnecessary,theequipmentandtheappendixnotnecessaryphenomenonareextremelycommon,theequipmentutilizationratelowquestioncannotobtainthecomparativelyproperlysolutionforalongtime.4Specialization,standardization,commercializeddegreelow,thecooperationabilityBecausereceiveslargeandcompletesmallandentiretheinfluencesincelongago,moldspecializationlevellow,thespecializedlabordivisionisnotcareful,thecommercializeddegreeislow.Atpresentdomesticeveryyearproducesmold,commoditymoldminister40About,otherforfromproduceusesforoneself.Betweenthemoldenterprisecooperatesimpeded,completesthecomparativelylargescalemoldcompletetaskwithdifficulty.Moldstandardizationlevellow,moldstandardletterusecaverareislowalsotothemoldquality,thecosthasamoretremendousinfluence,speciallyhasverytremendousinfluence.5TothemoldmanufacturecyclethemoldmaterialandthemoldcorrelationtechnologyfallsThemoldmaterialperformance,thequalityandthevarietyquestionoftencanaffectthemoldquality,thelifeandthecost,thedomesticallyproducedmoldingtoolsteelandoverseasimportsthesteelproductstocomparehasabiggerdisparity.Plastic,plate,equipmentenergybalance,alsodirectinfluencemoldlevelenhancement.Process,themultimaterialplasticmoldingdie,efficientmulticolorinjectionmould,insertsexchangestructureandcorepullingStrippingtheinnovativedesignhasalsomadegreatprogress.Gasassistedinjectionmolding,theuseofmorematuretechnologies,suchasQingdaoHisenseCo.,Ltd.,Tianjinfactorycommunicationsandbroadcastingcompanies,suchasmoldmanufacturerssucceededin2934inchTVthickwalledshell,aswellassomepartsontheuseofgasassistedmouldtechnologySomemanufacturersalsousetheCMOLDgasassistedsoftwareandachievedbetterresults.Prescott,suchasShanghai,suchasthenewcompanywillprovideuserswithgasassistedmoldingequipmentandtechnology.Beganpromotinghotrunnermold,andsomeplantsuserateofmorethan20percent,thegeneralheatthermalhotrunner,ordevice,asmallnumberofunitswiththeworldsadvancedlevelofrigoroushotrunnerneedledevice,asmallnumberofunitswithWorldadvancedlevelofrigorousneedlehotrunnermould.However,theuseofhotrunneroverallrateoflessthan10,withoverseascomparedto5080,thegaplarger.Inthemanufacturingtechnology,CAD/CAM/CAEtechnologyonthelevelofapplicationofanewleveltotheenterprisefortheproductionofhouseholdappliancesrepresentativeshaveintroducedaconsiderablenumberofCAD/CAMsystems,suchastheUnitedStatesEDSUGⅡ,theUnitedStatesParametricTechnologyPro/Engineer,theUnitedStatesCVCADS5company,theBritishcompanyDOCT5Deltacam,HZSsCRADEJapan,thecompanysCimatronIsrael,theUnitedStatesACCTechMoldCompanyandAustraliasMPAMoldflowMoldanalysissoftware,andsoon.Thesesystemsandtheintroductionofthesoftware,althoughalotofmoneyspent,butinourcountrydieindustry,andachievingaCAD/CAMintegration,andtosupportCAEtechnologytoformingprocessessuchasmoldingandcooling,suchascomputersimulation,andachievedcertainThetechnicalandeconomicbenefits,promoteandfacilitateChinasCAD/CAMtechnology.Inrecentyears,ChinasowndevelopmentoftheplasticmouldCAD/CAMsystemhasachievedsignificantdevelopment,themainguarantorSoftwareEngineeringInstitute,isthedevelopmentofCAXA,HuazhongUniversityofScienceHSC5.0developmentofthesystemandinjectionmoldCAEsoftware,andsoon,theseDieofdomesticsoftwarewiththespecificcircumstancesintheapplicationofcomputerandlowerprices,andothercharacteristics,inordertofurtheruniversalCAD/CAMtechnologyhascreatedgoodconditions.Inrecentyears,Chinahasbeenmoreextensiveuseofsomenewplasticmoldsteel,suchasP20,3Cr2Mo,PMS,SMⅠ,SMⅡ,andthequalityoflifeofmoldhasadirectsignificantimpactontheoveralluseofthestillless.PlasticMouldsstandardmodelplanes,suchasstandardputterandspringhasgivenmoreapplications,andtherehavebeensomeofthecommercializationofdomestichotrunnersystemcomponents.However,atpresentChinaDielevelofstandardizationandcommercializationinthegenerallevelofbelow30percentandforeignadvancedindustrialcountrieshasreached70percentcomparedto80percent,stillalargegap.Table1,athomeandabroadplasticmouldtechnologycomparisontableDomesticprojectsabroad
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