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外文翻译--塑料制品模具技术发展.doc

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外文翻译--塑料制品模具技术发展.doc

参阅外文资料节选MouldtechnicaldevelopmentoftheplasticproductsInrecentyears,withtherapiddevelopmentoftheeconomyofourcountry,plasticshapingprocessingequipmentandshapingareveryfastinmoulddevelopment,highefficient,automationislargescale,miniature,accurate,theproportionthatthemouldofthehighlifespanaccountsforinthewholemouldtradeislargerandlarger.Thelargescale,complicated,accurate,highefficientandmacrobioticlifemouldofourcountryhasattainedanewheightagain,manykindmouldcansubstitutetheimportmouldalready,mouldCAD/CAMtechnologypopularizeandapplyandmakethegoodresultcomparativelyfastafterreceiving,takeshapemanufacturingtechnologyandequipmenthavetremendousdevelopmentandbegintoenterthepracticalstageofpopularizingfast,themanufacturingtechnologyofnewgenerationofmillingatahighspeedetc.hasalreadybeenpaidattentiontoandbegunapplicationbypeople.Usetheangletocometosayfromthemould,itishighefficienttorequire,automize,easyandsimpletohandleMakingtheanglefromthemould,requirethestructuretoberational,itiseasytomake,lowcost.Inmodernplasticproductsproduction,rationalprocessingtechnology,highefficientequipment,theadvancedmouldisthreeessentialimportantfactors.Themouldiscomparedwithotherengineeringgoods,animportantcharacteristicisthenetoutputlargeproportionwithhightechnicalcontent.Withthefastdevelopmentofthechemicalindustry,lightindustryindustry,industryhasbeendevelopingthemouldofourcountryatahighspeedwithabout1315ofgrowthrateofeveryyear,andtherequisitionformouldofeveryprofessionandtradeishigherandhigher.Inthefaceofthechangeofthemarket,themouldwithhightechcontentisshowingupprominentlyonthemarket.Withtheindustrialdevelopment,thevariety,quantityoftheindustrialproductsaregettingmoreandmoreTherequisitionforproductqualityandappearanceisbecomingmoreexquisiteevenmore,angryinChina.So,combineChinasconcreteconditions,learntheexperienceproducedinforeignindustrialconstructionofmouldandmould,propagate,pursuethemouldproductionwithrationalizedscience,couldadvancetheprogressofthetechnologyofthemould.Themouldindustryallthetimeofourcountryhasbeenlimitedbythepriceinthematerialisselectedforuse,materialsofthedomesticmouldadopt2Cr13and3Cr13todotheaccurateheattreatmentmore.AdoptspecialpurposemouldmaterialDINI,2316abroad,isobviouslysuperiortothedomesticmaterialoncomprehensiveperformance,suchaswearresisting,corrosionresistantperformanceandluminanceofleavingbehind,etc..Thishasinfluencedappearancequalityandservicelifeofthedomesticmouldfundamentally.Ontheproductiontechnology,manyproducersdonotformacompletesetalotofworktorelyonfinishingbyhandbecauseoftheequipment,haveinfluencedtheprecisionandqualityseriously.Themoulddesignsystemsofdomesticenterprisesareatprimarystagethatintroduces,digestingandabsorbing,havenotformedtheripetheoreticaldirectionanddesignsystemyet.Lackthemouldanddebugthecondition.Becausedomesticmouldenterprisesreceivedeliverydateshort,trythemouldplaceandlimitationoftheequipment,usuallyputthequalityinspectionworkinusersplaceandtrythemould,anddifficulttodebugoutthebeststate,causealargenumberoflossandwastetouser.Anddevelopbetterenterprisesalittlemoreabroadandallhaveonesowntryingthemouldplaceandequipment,triesthemould,socanreachverygoodresultintheshortesttimelimitinconditionofworkthatcanimitateusers.Bythelookofoverallsituation,itisstillinsufficientthatindustryputsthemouldinto,thetotalamountofthemouldisinshortsupply,largescale,accuratecomplicated,longlivedlifemouldabilityinsufficientsituationinashorttimestilldifficulttohaveheavychangeobviously.Makeageneralsurveyofthedevelopmentinrecentyearsofmouldtrade,thedevelopmentoftheplasticmouldstructure,andtheimprovementofmanufacturingengineering,havethefollowingseveralpointstosumupMouldstandardizationismodernmolddesignandfoundationmade.Itistorealizetherationalizedproductionessentialconditionofthemouldtopursuemouldstandardization.Attachgreatimportancetothestandardizedworkofthemouldabroad,becausecannotmerelyimprovethequalityofthemould,lowercoststoadoptthestandardcomponenteffectively,andcanshortenmouldproductioncyclegreatly.U.S.A.,Germanyhavealreadytocarryonthestandardizedworkofthemouldhadahistoryof100years.Ourdegreethatbecausethemouldhasbeenstandardizedallthetimehasnothigh,itisnotneattoleadtothefactandproducethevarietyofstandardcomponent,specificationsupplied,oflowquality,cantmeettheinterchangeabilityrequest.Now,thereisverygreatimprovementinstandardizinginourcountry,asmanyvarietiesofindustrialproducts,shortrun,developmenttrendofindividualized,shortcyclebecomeobviousdaybyday,theworkingmeaningofmouldstandardizationisgreater.Accordingtotheintroduction,themouldstandardcomponentofourcountryusestheratetoincreasetosomeextentatpresent,estimatebetween4045tentatively,havingverygreatdisparitywith7080oftheratesintheworld,thestandardcomponentofthemouldusesthecoverageratedifferencetoberelativelyobviousbetweendifferentareasofourcountry,differententerprises,thethreekindsofforeigninvestedenterprisesarehigherthanotherenterprises,southernenterprisesarehigherthantheNorth,especiallyGuangdongProvincewhichthethreekindsofforeigninvestedenterprisesconcentrate,itsmouldofmouldstandardcomponentsofenterprisesusethecoverageratetobehigherthanotherareasfar.Ourcountrycertainlywilltakethecorrespondingmeasureinthefuture,willproducethecharacteristictothemould,organizetradestrength,standardizeproductiontothemouldmanufacturingenterpriseswiftlyandingoodtime,inordertopursuethemouldandstandardizetheworkinanallroundway.Thedevelopmentplanof15mouldtradeinourcountryisproposed,thestandardcomponentofthemouldshouldexpandthevariety,improvetheprecision,amongthemthemainvarietyshouldrealizetheeconomiclargescaleproduction.Thestandardcomponentofthemouldwillusethecoverageratetobeupto60in2005,bemorethan70in2010.So,quickenthedevelopmentofstandardcomponentofthemouldandstrengthenthetechnologicalcontentofthemouldproducts,developamouldofthermalcurrentandCAD/CAE/CAMtechnologyinamorecosteffectivemanner,haveimportantmeaningsinpromotingtheleveloftheplasticmouldtradeofourcountry,expansiondomesticandinternationalmarkets.Itisincloserelationsbecausebetweenthemouldandmanufacture,wecansay,itisthecontinuitydesignedtomake.Anditisslowertoadopttheartificialdesignmethod,itisimpossibletorealizethatmoulddesignandmanufactureintegrate,cantmeettherequirementofoptimizationdesigneither.Practicehasproved,themouldCAD/CAMtechnologyisacontemporarymostrationalmodeofproductionofmould.TheachievementofthemouldCAD/CAE/CAMrespectisexpandedfurther,themouldproducesmostallalreadyapplicationofleadingenterprise,hasmadethegoodeffect.Themouldcanrealizethehighlystandardized,universalizationandsystematizedtootoproduce,helptoadopttheadvanceddesignandmanufacturingtechnology,makethemoulddothemoreprecise,meanwhile,helptoshortenproductioncycle,reducetheproducingcost.Themouldmakesthecontinuitythatismolddesign,istoverifythecourseofdesigningexactness.Thestandardizationmadeofthemouldhelpstomaketheproductionprocessofthemouldtendtowardsthescientificprocess,rationalized.Inmouldenterprises,itisassuranceandconditionofrealizingrationalizedproductiontocontrolandmanagethecomputertotheproductionprocessofthemould.Frommolddesign,isitprepare,processandassemble,tryonthewholecourseofmouldallthetimeatcontrolwithmanagementtoproduce,so,advancetheproductionprocessofthemouldtocontrolandmanagetohelptoimprovethemouldandmaketheprecisionandquality,reduceproductioncycleandproducingcost.Mouldoftoday,theprecisionwillbehigheratpresentandhigheratpresent,accuratemouldshavealreadygenerallyreachedtheprecisionof23¦Ìm.10yearsago.Theprecisionoftheaccuratemouldisgenerally5um,havealreadyreached23umnow,thoughitisdomesticandstilldifficulttorealizeshortlytoproduceonegradeofmouldsofnanometer,itisaninexorabletrendtoreachthemouldof1¦Ìmprecision.Machiningaccuracypublicerrandultrafinishmachiningunder1¦Ìmmustdeveloptoo.Withlikeparttocomplicate,willbemoreandmorecomplicatedthereupontoointhemouldtype.Complicatedtypemadeupofmanykindsofcurvedsurfaceandcannelurehasimprovedthedegreeofdifficultyofprocessing.Whethertransformmanykindsofprocessesandmanykindsofmaterialsintothepartinasetofmouldsorcanboostproductivitytoassembleintoamultifunctionalcomplexmouldofthepackageeffectively,willdevelopinalotoffields.Nodoubtthereisverygreatrelationwithmolddesigninthis,butprocessedtheequipmentandputforwardhigherrequesttothemouldatthesametime,namelyprocessconsistencyandhighaccuracydemand.Withprocesstheconstantpopularizationofthemodeanddeepenwiththenewandhightechnologyandadvancedandapplicabletraditionalmouldoftechnologicaltransformation,processandalreadybecomethemouldandprocessthedevelopingdirectionindigitization.Adoptthemouldofdigitizedtechnologytoprocesstheequipmentandbecomefirstselectionthatmouldenterprisesimproveditsequipmentnaturally.Atthesametime,multifunctionalcanimprovethemouldandprocessefficiencytoprocesseffectivelytocompound,sohavemuchdevelopmentprospects.Forexample,therearemultipleinnovationinthehighperformancenumericalcontrolsystemoftheItypeofCentralChinaofkeyitemHNCItotacklekeyproblemsinnumericalcontrolofWuhanCentralChinasystematicCo.,Ltd.ofnumericalcontrol,reachtheinternationalmostadvancedlevel.TheachievementSDIfiveaxlecurvedsurfaceisitmendcontroltheorypraisedasexpertworldinitiatetoinsert.HNCIPdigitizationspinshapeprocessnumericalcontrolsystemintegrated,integratedcontrolsystem,systemofnumericalcontrolandsystemofprofilemodelling,butusewithvariouskindsofmachiningcenters,numericalcontrolmillingmachinesandprofilemodellingmillingmachines,etc.together,canalsomeasurethedeviceandcarryonmeasurementfornumericalcontroltothematerialobjectmodelasdigitization,andcanproducethegeometrymodelorthemouldcurvedsurfaceandprocessGcodeaccordingtothemeasurement.Thesystemhasthecharacteristicsthattheprofilemodellingisfast,themachiningaccuracyishigh,theintegratedlevelishighstrongwiththefunction.ThisachievementobtainsthescientificandtechnologicalprogressfirstprizeoftheStateEducationCommission,islistedinthenationallevelscientificandtechnicalresultkeypopularizationplan.Thisnumericalcontrolsystemhasalreadydemonstratedsuperiorityinthemouldisprocessed,itisverygoodtopopularizetheprospect.Toplasticproductsenterprise,inordertomakeproductqualitybetter,theproducingrateishigher,amouldofthermalcurrentisaverygoodchoice.Thiskindofmouldassortmentofrisingiswithhightechnicalcontent,itdoesnotneedtoupgradetheequipment,onlyneedtoupgradethemouldorcarryonthetransformationtothealreadyexistingmould,canshortentheshapingtimeandsurfacequalityoftheproductsgreatly,becauseithavematerial,lastrawmaterialsit,especiallyforsmallandaccurate

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