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,high-efficient,automationislarge-scale,miniature,accurate,theproportionthatthemouldofthehighlife-spanaccountsforinthewholemouldtradeislargerandlarger.Thelarge-scale,complicated,accurate,high-efficientandmacrobioticlifemouldofourcountryhasattainedanewheightagain,manykindmouldcansubstitutetheimportmouldalready,mouldCAD/CAMtechnologypopularizeandapplyandmakethegoodresultcomparativelyfastafterreceiving,takeshapemanufacturingtechnologyandequipmenthavetremendousdevelopmentandbegintoenterthepracticalstageofpopularizingfast,themanufacturingtechnologyofnewgenerationofmillingatahighspeedetc.hasalreadybeenpaidattentiontoandbegunapplicationbypeople.Usetheangletocometosayfromthemould,itishigh-efficienttorequire,automize,easyandsimpletohandle；Makingtheanglefromthemould,requirethestructuretoberational,itiseasytomake,lowcost.Inmodernplasticproductsproduction,rationalprocessingtechnology,high-efficientequipment,theadvancedmouldisthreeessentialimportantfactors.Themouldiscomparedwithotherengineeringgoods,animportantcharacteristicisthenetoutputlargeproportionwithhightechnicalcontent.Withthefastdevelopmentofthechemicalindustry,lightindustryindustry,industryhasbeendevelopingthemouldofourcountryatahighspeedwithabout13%-15%ofgrowthrateofeveryyear,andtherequisitionformouldofeveryprofessionandtradeishigherandhigher.Inthefaceofthechangeofthemarket,themouldwithhigh-techcontentisshowingupprominentlyonthemarket.Withtheindustrialdevelopment,thevariety,quantityoftheindustrialproductsaregettingmoreandmore；Therequisitionforproductqualityandappearanceisbecomingmoreexquisiteevenmore,angryinChina.So,combineChinasconcreteconditions,learntheexperienceproducedinforeignindustrialconstructionofmouldandmould,propagate,pursuethemouldproductionwithrationalizedscience,couldadvancetheprogressofthetechnologyofthemould.Themouldindustryallthetimeofourcountryhasbeenlimitedbythepriceinthematerialisselectedforuse,materialsofthedomesticmouldadopt2Cr13and3Cr13todotheaccurateheattreatmentmore.Adoptspecial-purposemouldmaterialDINI,2316abroad,isobviouslysuperiortothedomesticmaterialoncomprehensiveperformance,suchaswear-resisting,corrosion-resistantperformanceandluminanceofleavingbehind,etc.Thishasinfluencedappearancequalityandservicelifeofthedomesticmouldfundamentally.Ontheproductiontechnology,manyproducersdonotformacompletesetalotofworktorelyonfinishingbyhandbecauseoftheequipment,haveinfluencedtheprecisionandqualityseriously.Themoulddesignsystemsofdomesticenterprisesareatprimarystagethatintroduces,digestingandabsorbing,havenotformedtheripetheoreticaldirectionanddesignsystemyet.Lackthemouldanddebugthecondition.Becausedomesticmouldenterprisesreceivedeliverydateshort,trythemouldplaceandlimitationoftheequipment,usuallyputthequalityinspectionworkinusersplaceandtrythemould,anddifficulttodebugoutthebeststate,causealargenumberoflossandwastetouser.Anddevelopbetterenterprisesalittlemoreabroadandallhaveonesowntryingthemouldplaceandequipment,triesthemould,socanreachverygoodresultintheshortesttimelimitinconditionofworkthatcanimitateusers.Bythelookofoverallsituation,itisstillinsufficientthatindustryputsthemouldinto,thetotalamountofthemouldisinshortsupply,large-scale,accuratecomplicated,long-livedlifemouldabilityinsufficientsituationinashorttimestilldifficulttohaveheavychangeobviously.Makeageneralsurveyofthedevelopmentinrecentyearsofmouldtrade,thedevelopmentoftheplasticmouldstructure,andtheimprovementofmanufacturingengineering,havethefollowingseveralpointstosumup:Mouldstandardizationismodernmolddesignandfoundationmade.Itistorealizetherationalizedproductionessentialconditionofthemouldtopursuemouldstandardization.Attachgreatimportancetothestandardizedworkofthemouldabroad,becausecannotmerelyimprovethequalityofthemould,lowercoststoadoptthestandardcomponenteffectively,andcanshortenmouldproductioncyclegreatly.U.S.A.,Germanyhavealreadytocarryonthestandardizedworkofthemouldhadahistoryof100years.Ourdegreethatbecausethemouldhasbeenstandardizedallthetimehasnothigh,itisnotneattoleadtothefactandproducethevarietyofstandardcomponent,specificationsupplied,oflowquality,cantmeettheinterchangeabilityrequest.Now,thereisverygreatimprovementinstandardizinginourcountry,asmanyvarietiesofindustrialproducts,shortrun,developmenttrendofindividualized,shortcyclebecomeobviousdaybyday,theworkingmeaningofmouldstandardizationisgreater.Accordingtotheintroduction,themouldstandardcomponentofourcountryusestheratetoincreasetosomeextentatpresent,estimatebetween40%-45%tentatively,havingverygreatdisparitywith70%-80%oftheratesintheworld,thestandardcomponentofthemouldusesthecoverageratedifferencetoberelativelyobviousbetweendifferentareasofourcountry,differententerprises,thethreekindsofforeign-investedenterprisesarehigherthanotherenterprises,southernenterprisesarehigherthantheNorth,especiallyGuangdongProvincewhichthethreekindsofforeign-investedenterprisesconcentrate,itsmouldofmouldstandardcomponentsofenterprisesusethecoverageratetobehigherthanotherareasfar.Ourcountrycertainlywilltakethecorrespondingmeasureinthefuture,willproducethecharacteristictothemould,organizetradestrength,standardizeproductiontothemouldmanufacturingenterpriseswiftlyandingoodtime,inordertopursuethemouldandstandardizetheworkinanall-roundway.Thedevelopmentplanof"15"mouldtradeinourcountryisproposed,thestandardcomponentofthemouldshouldexpandthevariety,improvetheprecision,amongthemthemainvarietyshouldrealizetheeconomiclarge-scaleproduction.Thestandardcomponentofthemouldwillusethecoverageratetobeupto60%in2005,bemorethan70%in2010.So,quickenthedevelopmentofstandardcomponentofthemouldandstrengthenthetechnologicalcontentofthemouldproducts,developamouldofthermalcurrentandCAD/CAE/CAMtechnologyinamorecost-effectivemanner,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,accuratemouldshavealreadygenerallyreachedtheprecisionof2-3¦Ìm.10yearsago.Theprecisionoftheaccuratemouldisgenerally5um,havealreadyreached2-3umnow,thoughitisdomesticandstilldifficulttorealizeshortlytoproduceonegradeofmouldsofnanometer,itisaninexorabletrendtoreachthemouldof1¦Ìmprecision.Machiningaccuracypublicerrandultrafinishmachiningunder1¦Ìmmustdeveloptoo.Withlikeparttocomplicate,willbemoreandmorecomplicatedthereupontoointhemouldtype.Complicatedtypemadeupofmanykindsofcurvedsurfaceandcannelurehasimprovedthedegreeofdifficultyofprocessing.Whethertransformmanykindsofprocessesandmanykindsofmaterialsintothepartinasetofmouldsorcanboostproductivitytoassembleintoamulti-functionalcomplexmouldofthepackageeffectively,willdevelopinalotoffields.Nodoubtthereisverygreatrelationwithmolddesigninthis,butprocessedtheequipmentandputforwardhigherrequesttothemouldatthesametime,namelyprocessconsistencyandhigh-accuracydemand.Withprocesstheconstantpopularizationofthemodeanddeepenwiththenewandhightechnologyandadvancedandapplicabletraditionalmouldoftechnologicaltransformation,processandalreadybecomethemouldandprocessthedevelopingdirectionindigitization.Adoptthemouldofdigitizedtechnologytoprocesstheequipmentandbecomefirst-selectionthatmouldenterprisesimproveditsequipmentnaturally.Atthesametime,multi-functionalcanimprovethemouldandprocessefficiencytoprocesseffectivelytocompound,sohavemuchdevelopmentprospects.Forexample,therearemultipleinnovationinthehigh-performancenumericalcontrolsystemoftheItypeofCentralChinaofkeyitem(HNC-I)totacklekeyproblemsinnumericalcontrolofWuhanCentralChinasystematicCo.,Ltd.ofnumericalcontrol,reachtheinternationalmostadvancedlevel.TheachievementSDIfiveaxlecurvedsurfaceisitmendcontroltheorypraisedasexpertworldinitiatetoinsert.HNC-IPdigitizationspinshapeprocessnumericalcontrolsystemintegrated,integratedcontrolsystem,systemofnumericalcontrolandsystemofprofilemodelling,butusewithvariouskindsofmachiningcenters,numericalcontrolmillingmachinesandprofilemodellingmillingmachines,etc.together,canalsomeasurethedeviceandcarryonmeasurementfornumericalcontroltothematerialobjectmodelasdigitization,andcanproducethegeometrymodelorthemouldcurvedsurfaceandprocessGcodeaccordingtothemeasurement.Thesystemhasthecharacteristicsthattheprofilemodellingisfast,themachiningaccuracyishigh,theintegratedlevelishighstrongwiththefunction.ThisachievementobtainsthescientificandtechnologicalprogressfirstprizeoftheStateEducationCommission,islistedinthenational-levelscientificandtechnicalresultkeypopularizationplan.Thisnumericalcontrolsystemhasalreadydemonstratedsuperiorityinthemouldisprocessed,itisverygoodtopopularizetheprospect.Toplasticproductsenterprise,inordertomakeproductqualitybetter,theproducingrateishigher,amouldofthermalcurrentisaverygoodchoice.Thiskindofmouldassortmentofrisingiswithhightechnicalcontent,itdoesnotneedtoupgradetheequipment,onlyneedtoupgradethemouldorcarryonthetransformationtothealreadyexistingmould,canshortentheshapingtimeandsurfacequalityoftheproductsgreatly,becauseithavematerial,lastrawmaterialsit,especiallyforsmallandaccurate