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

T毕业设计(论文)外文资料翻译原文题目：PRODUCTDEVELOPMENTUSINGCAD-CAM-CAESOFTWAREANDINTERNETFACILITIES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HEINTERNATIONALCONFERENCEOFTHECARPATHIANEURO-REGIONSPECIALISTSININDUSTRIALSYSTEMS6theditionPRODUCTDEVELOPMENTUSINGCAD-CAM-CAESOFTWAREANDINTERNETFACILITIESConstantinISPAS1,MironZAPCIU2,CristinaMOHORA3,DorelANANIA4,1,2,3ProfessorEng.PhD.4Assist.Eng.University“POLITEHNICA”ofBucharestMachineandProductionSystemsDepartment,SplaiulIndependenteino.313,Bucharest,RO060042Romaniae-mail:ispasleo.optimum.pub.ro,zapciumsun.cfic.pub.ro,,,Abstract:Themaingoalstotheproductdevelopmentaretoobtainashorttimeofdesignprocess,alowpriceandbestperformancesofthefinalproduct.Accordingtothesegoals,theproductdesignmustusesomemodulesofadvancedCAD-CAM-CAEsoftwareandtheinterneton-line3Dcatalogsforsomeparts(moreorlessstandard).TheadvantageobtainedbyusingsomemodulesfromdifferentCAD-CAM-CAEsoftwareistousethemostperformantpartsofthesesoftware(specifictotheengineeringfields)atalowprice(itisntnecessaryallthesoftware,onlysomespecificmodules).Theinternet3Don-linecatalogsoffertheadvantagetofindveryeasyusefulinformationaboutmechanicalelements(prices,technicalcharacteristics,3Dmodels,etc,).Keywords:CAD-CAM-CAEsoftware,interneton-linecatalogues,on-lineportal3Dcatalogues,standardelements,integratedproductdesign1.NTRODUCTIONNow,intheindustryexistsahighcompetitiontoproducenew,betterandcheaperproducts.Themanufactureshavetodealwiththeincreasingdemandsofthecustomers.Theyhavetoimprovecontinuouslytheconceptionmethodsoftheproducts,tomodernizetheorganizationstructureinordertocreateafluentlink,withoutlimits,betweenstudies,design,preparation,manufacturing,commercializationandworkinglifeoftheproducts.Tobecomemorecompetitiveintoaworldwithdiversityofproducts,withcontinuouschanges,thecompaniesmustmodernizeandincreasetheflexibilityoftheproductionsystems.Thecompaniesfindoutthattheinteractivedesignofaproductisthemostefficientlytoolforanalysisendevaluation.SotheuseofinternetdatabaseandCAD-CAM-CAEsoftwarecreatesvisualdatabaseandindustrialgeometrydesign.Processandproductdevelopmentusingcomputersandinternetenvironmentallowasubstantiallycostsandtimeeconomy.OnthemarketthereisalotofCAD-CAM-CAEsoftwarewhichofferspecifictoolsforengineeringdesignintoatridimensionalvirtualspace.2.USINGMULTIPLECAD-CAM-CAESOFTWAREPACKAGESThesekindsofsoftwarearerepresentingaveryusefultoolinproductsdevelopmentdesignprocess.Byusingthemitcanbecreateda3Dvirtualproduct,simulatefrommanypointofview1,inordertoimproveitscharacteristics(technicalornontechnical).Someofthesesoftwareshavebetterperformancesforsomeengineeringfieldsasaeronautics,automotives,mechanicaletc.TodaysingleCAD-CAM-CAEsoftwarecannotcovertheentireindustrialfieldforhighperformances.Anothermajordisadvantageofthatsoftwaresisveryhighpricesforafullversion.UsualthepricesarestartingfromseveralthousandsofEUR.Thereare3advantagesforthemostCAD-CAM-CAEsoftwares:1-thesoftwaresarestructuredinmodules,eveninthesamearea(forexample:inCATIAinmechanicaldesignare:partdesign；sheetmetaldesign,molddesign,wierframeandsurfacesdesignetc)；2-itcanbeboughtonlysomespecificpackageregardingcomputeraideddesign,computeraidedmanufacturingorcomputeraidedengineering；3-allthesesoftwareallowtosavedateinsomecommunefileformat(forexample:dxffor2Ddrawings,stepfor3Dsolids；igesfor3Dsurfacesetc).ThesetypesoffilescanbeopenedbyalmostallCAD-CAM-CAEsoftwareinsomespecificconditionFig.1SpecificmodulesinthesamedomainsFig.2.Gear-dxfformatFig.3Gear-CatiaformatFig.4.Gear-stepformatFig.5.Gear-igesformatForacomplexproduct(ex.inautomotiveindustry)whichneedcomplexsurfacesformodelingasingleCAD-CAM-CAEsoftwareisntsufficient.InthiscasethesolutionistousesomehighperformantspecificmodulesfromdifferentCAD-CAM-CAEsoftware.3.USINGINTERNETFACILITIESINPRODUCTDEVELOPMENT.ThegrowthoftheInternettodayoffersthenewestwaveofcommunicationthroughelectronicmail,filetransfer,telnetaccess,transactionapplications,andmuch,muchmore.ThemostpopularpartoftheInternetistheWorldWideWeb,whereanyonecanaccesshypertextpageswiththeclickofabutton.ThepopularityoftheInternethaslaunchedmanysocialandethicalissues.Recently,theInternethasbeencriticizedforitsuncensoredinformation,buthasbeenpraisedforitseducationalvalue.Inengineeringfieldtheinternetisusedforinformationdisseminationandcompanyadvertising.Todayallthebigcompanyoffersmanyinformationabouttheirproductsdirectlyontheinternet.Inthemechanicalengineeringfieldsthemostcompaniesofferfreecatalogsaboutproducts(freedocumentationabouttechnicalcharacteristics,free2Ddrawingsand3Dmodels),prices,calculustechnicalsoftware(ex:bearingsSKF)etc.Ontheinternetexistsdedicatedsitesforalllevelofproductdevelopment.Startingfromstandardcatalogsforelementarypartsfig.6(screws,bearings,pulleys,belts,gearsetc)andfinishedwithcomplexproducts(likeindustrialrobotsfig.7