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外文翻译--利用CAD - CAM - CAE软件及网络设施的产品开发.doc外文翻译--利用CAD - CAM - CAE软件及网络设施的产品开发.doc -- 5 元

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T毕业设计论文外文资料翻译原文题目PRODUCTDEVELOPMENTUSINGCADCAMCAESOFTWAREANDINTERNETFACILITIES原文来源国道数据库March1998cPTdesign学生姓名学号所在院系部专业名称机械设计制造及其自动化HEINTERNATIONALCONFERENCEOFTHECARPATHIANEUROREGIONSPECIALISTSININDUSTRIALSYSTEMS6theditionPRODUCTDEVELOPMENTUSINGCADCAMCAESOFTWAREANDINTERNETFACILITIESConstantinISPAS1,MironZAPCIU2,CristinaMOHORA3,DorelANANIA4,1,2,3ProfessorEng.PhD.4Assist.Eng.UniversityPOLITEHNICAofBucharestMachineandProductionSystemsDepartment,SplaiulIndependenteino.313,Bucharest,RO060042Romaniaemailispasleo.optimum.pub.ro,zapciumsun.cfic.pub.ro,cristinamohorayahoo.com,doresanayahoo.com,AbstractThemaingoalstotheproductdevelopmentaretoobtainashorttimeofdesignprocess,alowpriceandbestperformancesofthefinalproduct.Accordingtothesegoals,theproductdesignmustusesomemodulesofadvancedCADCAMCAEsoftwareandtheinternetonline3Dcatalogsforsomepartsmoreorlessstandard.TheadvantageobtainedbyusingsomemodulesfromdifferentCADCAMCAEsoftwareistousethemostperformantpartsofthesesoftwarespecifictotheengineeringfieldsatalowpriceitisntnecessaryallthesoftware,onlysomespecificmodules.Theinternet3Donlinecatalogsoffertheadvantagetofindveryeasyusefulinformationaboutmechanicalelementsprices,technicalcharacteristics,3Dmodels,etc,.KeywordsCADCAMCAEsoftware,internetonlinecatalogues,onlineportal3Dcatalogues,standardelements,integratedproductdesign1.NTRODUCTIONNow,intheindustryexistsahighcompetitiontoproducenew,betterandcheaperproducts.Themanufactureshavetodealwiththeincreasingdemandsofthecustomers.Theyhavetoimprovecontinuouslytheconceptionmethodsoftheproducts,tomodernizetheorganizationstructureinordertocreateafluentlink,withoutlimits,betweenstudies,design,preparation,manufacturing,commercializationandworkinglifeoftheproducts.Tobecomemorecompetitiveintoaworldwithdiversityofproducts,withcontinuouschanges,thecompaniesmustmodernizeandincreasetheflexibilityoftheproductionsystems.Thecompaniesfindoutthattheinteractivedesignofaproductisthemostefficientlytoolforanalysisendevaluation.SotheuseofinternetdatabaseandCADCAMCAEsoftwarecreatesvisualdatabaseandindustrialgeometrydesign.Processandproductdevelopmentusingcomputersandinternetenvironmentallowasubstantiallycostsandtimeeconomy.OnthemarketthereisalotofCADCAMCAEsoftwarewhichofferspecifictoolsforengineeringdesignintoatridimensionalvirtualspace.2.USINGMULTIPLECADCAMCAESOFTWAREPACKAGESThesekindsofsoftwarearerepresentingaveryusefultoolinproductsdevelopmentdesignprocess.Byusingthemitcanbecreateda3Dvirtualproduct,simulatefrommanypointofview1,inordertoimproveitscharacteristicstechnicalornontechnical.Someofthesesoftwareshavebetterperformancesforsomeengineeringfieldsasaeronautics,automotives,mechanicaletc.TodaysingleCADCAMCAEsoftwarecannotcovertheentireindustrialfieldforhighperformances.Anothermajordisadvantageofthatsoftwaresisveryhighpricesforafullversion.UsualthepricesarestartingfromseveralthousandsofEUR.Thereare3advantagesforthemostCADCAMCAEsoftwares1thesoftwaresarestructuredinmodules,eveninthesameareaforexampleinCATIAinmechanicaldesignarepartdesignsheetmetaldesign,molddesign,wierframeandsurfacesdesignetc2itcanbeboughtonlysomespecificpackageregardingcomputeraideddesign,computeraidedmanufacturingorcomputeraidedengineering3allthesesoftwareallowtosavedateinsomecommunefileformatforexampledxffor2Ddrawings,stepfor3Dsolidsigesfor3Dsurfacesetc.ThesetypesoffilescanbeopenedbyalmostallCADCAMCAEsoftwareinsomespecificconditionFig.1SpecificmodulesinthesamedomainsFig.2.GeardxfformatFig.3GearCatiaformatFig.4.GearstepformatFig.5.GearigesformatForacomplexproductex.inautomotiveindustrywhichneedcomplexsurfacesformodelingasingleCADCAMCAEsoftwareisntsufficient.InthiscasethesolutionistousesomehighperformantspecificmodulesfromdifferentCADCAMCAEsoftware.3.USINGINTERNETFACILITIESINPRODUCTDEVELOPMENT.ThegrowthoftheInternettodayoffersthenewestwaveofcommunicationthroughelectronicmail,filetransfer,telnetaccess,transactionapplications,andmuch,muchmore.ThemostpopularpartoftheInternetistheWorldWideWeb,whereanyonecanaccesshypertextpageswiththeclickofabutton.ThepopularityoftheInternethaslaunchedmanysocialandethicalissues.Recently,theInternethasbeencriticizedforitsuncensoredinformation,buthasbeenpraisedforitseducationalvalue.Inengineeringfieldtheinternetisusedforinformationdisseminationandcompanyadvertising.Todayallthebigcompanyoffersmanyinformationabouttheirproductsdirectlyontheinternet.Inthemechanicalengineeringfieldsthemostcompaniesofferfreecatalogsaboutproductsfreedocumentationabouttechnicalcharacteristics,free2Ddrawingsand3Dmodels,prices,calculustechnicalsoftwareexbearingsSKFetc.Ontheinternetexistsdedicatedsitesforalllevelofproductdevelopment.Startingfromstandardcatalogsforelementarypartsfig.6screws,bearings,pulleys,belts,gearsetcandfinishedwithcomplexproductslikeindustrialrobots–fig.7theinternetisausefultoolindesignprocessforallkindofproducts.Thedisadvantageoftheinternetistheincreasingdiversityofinformationandthewayofdissemination.Thebigproblemishowtofindutileinformationinthisvirtualspaceoninternet.Fig.6Free3Dgearscatalogoninternet
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