文档介绍：该【模具的CAD-CAE-CAM技术外文文献翻译、中英文翻译 】是由【青山代下】上传分享，文档一共【10】页，该文档可以免费在线阅读，需要了解更多关于【模具的CAD-CAE-CAM技术外文文献翻译、中英文翻译 】的内容，可以使用淘豆网的站内搜索功能，选择自己适合的文档，以下文字是截取该文章内的部分文字，如需要获得完整电子版，请下载此文档到您的设备，方便您编辑和打印。外文资料:MoldCAD/CAE/CAMtechnologyIntroductionMoldCAD/CAE/CAMistransformsthetraditionalmoldproductionmethodtheessentialtechnology,isahightech,,providesonekindofeffectiveauxiliarymeansastheenterprise,putertotheproductperformance,themoldstructure,theformedcraft,,,moldCAD/CAE/CAMexperiencedinplex,,moldCAD/CAE/TheCAMtechnologicaldevelopmentspeedquicker,theapplicationscopeisbroader,inordertoenablethegeneralmoldsworkerfurthertodeepentothistechnicalunderstanding,betterdisplaymoldCAD/CAE/TheCAMfunction,thisarticleappliesinviewofthemoldinmostwidespread,mosthastherepresentativecastingmold,ingdieandthelevelentersthemoldCAD/CAE/'sFursundhascarriedontheputationforthefirsttimewiththefinitedifferencemethodtothetwo-dimensionalshapecasting,in1965USGeneralMotorsHenzelandsoonhascarriedonthetemperaturefieldsimulationtothesteamturbineess,'stothe80's,US,England,France,Japan,Denmarkandsoononeafteranotherhasyieldedtheremarkableresultinthecastingcoagulationsimulatorstudyandtheapplication,'s,ourcountry'sinstitutionsofhigherlearning,,'s,ittakecalculatesthehydromechanicsthetheoryandthemethodasthefoundation,experiencestenyears,startsfromthetwo-dimensionalsimpleshape,deepensandtheexpansiongradually,plexshapecastingsufficientmoldprocesssimulation,,likeJapan'sSOLIDIA,England'sSOLSTAR,France'sSIMULOR,Sweden'sNOVACAST,Germany'sMAGMAandUS'SAFSOLID,,CentralChinascientificandtechnicaluniversity',thecastiron,thecast-aluminiumandthecastcopperandsooneachkindofcasting,asisbigasseveralhundredtons,slightlytoseveralkilograms,regardlessofisandshrinksthepineintheeliminationshrinkhole,intheoptimizedpouringrisingheaddesign,,thecastingcraftandthemoldstructureCADresearchandtheapplicationinunceasinglyisalsothorough,overseashaspromotedsomeapplicationsoftwareoneafteranother,likeAmericancastingassociation'sAFS-SOFTWARE,mayuseinthecaststeelandcaststheironstockthepouringrisingheaddesign,EnglishFOSECOCorporation'sFEEDERCALKsoftware,,likeQinghuaUniversitydevelopstheTHFSCADsoftware,,thelatterpartusesfortoestablishtheparametrizationgraph,tocalculatethecastingtheprocessingremainder,,,thethreedimensionalCADsystemcansubstituteforthetwo-'s,anizationsandingdieCAD/CAE/TheCAMtechnologyhasconductedextensiveresearch,ingtechnologicalprocessdesign,%,ininggeometryshapesimple,iseasytodescribeandthedefinition,ingdieCAD/,ingtechnologicaldesign,,dividesthemodularsurface,thesupplementmachiningremainder,,,itsformedworkingproceduredesignandthemoldstructuraldesignarefarmoreingdie,thereforedevelopmentmajoraxisclassforgingdieCAD/TheCAMsystemdifficultybigger,theversatilityisalsolow,atmercializedCAD/OntheCAMsoftwaretwotimeingdieCAD/,itsformedworkingproceduredesignandthemoldstructuraldesignarefarmoreingdie,thereforedevelopmentmajoraxisclassforgingdieCAD/TheCAMsystemdifficultybigger,theversatilityisalsolow,atmercializedCAD/OntheCAMsoftwaretwotimeingdieCAD/,thefiniteelementmethodalwaysistheanalysisingformingmainnumericalanalysismethod,,-plasticityfiniteelementpunishedthefunctionmethod,analyzedtherolling,'s,OhandAltanhadjustconductedthethoroughresearchwithlarge-'s,mercializedspecializedfiniteelementanalysissoftwares,likeFrance'E2,US'SDEFORM,ABAQUS,MSC/eandsoon,,moreovermaythequotaproducewiththedistortionrelatedeachkindofphysicalquantity,likethedisplacement,thespeed,thestress,thestrainandtheloadandsoon,forobtainedthemostsuperiormolddesign,'s,the70'sthenhavethepreliminaryapplication,butonlyarerestrictedinthetwo-dimensionalgraphthesimpleblankingleveltoenterthemold,itsmainfunctionlikestripmaterialrowoftype,concavemoldarrangement,'s,likeJapaneseHitachiCorporationandtheFujitsuCorporation',theFujitsusystemhasusedthemethodwhichtheautomaticdesignanddesignsalternatelyunifies,launches,thecurvingsnappingbackcomputationandalaborstepofarrangementinthissystemexceptthesemifinishedmaterialsfortheautomaticreductionoutside,otherneedtodesignpersonnel''s,likeAmericanAuto-trolCorporation'sDie-Designsystem,thissystemusesthethreedimensionalgeometryponents,andappliesthethreedimensionalgraphtechnologyinthemoldstructuraldesign,'s,mercializedthreedimensionalCAD/CAMsystem,likeUS'SPro/E,UG-II,CADD5,Solidworks,/intheUG--purposemodule,butthisaspectworkprogressisveryquick,,ponentsmodelling(SS-DESIGN),thesemifinishedmaterialslaunches(SS-UNFOLD),asemifinishedmaterialsrowoftype(SS-STRIPDESIGN),molddesign(SS-DIEDESIGN)andnumericalcontrolprocessing(SS-WIRE,SS-PROFILE),althoughhadcertainautomateddesignsthefunction,butitsdesignprocessstillbyalternatelyoperatesprimarily,,AmericanUGSCorporationandourcountryCentralChinascientificandtechnicaluniversitycooperation(presentlyisNX)inthesoftwareplatformdevelopsinUG-IIentersmoldCAD/basedonthethreedimensionalgeometrymodellevelCAMsoftwareNX-,thecraftpre-definition,thesemifinishedmaterialslaunches,asemifinishedmaterialsrowoftype,thewastematerialdesign,stripmoduleandsoonmaterialrowoftype,,theentirethreedimensionalstructureconnectionandsoontheremarkablecharacteristic,mercializedinvestment□'s,theCentralChinascientificandtechnicaluniversity,ShanghaiJiaotongUniversity,theXianJiaotongUniversityandtheBeijingmechanicalandelectricalresearchinstituteandsoondevelopedtheleveltoentermoldCAD/,includingtheponentscharacteristicmodelling,basedonthecharacteristicrammingtechnologicaldesign,themoldstructuraldesign,(ool)forSwissFyantoflushessfulpreciseblankingleveltoentermoldCAD/-:外文译文模具的CAD/CAE/CAM技术引言模具CAD/CAE/CAM是改造传统模具生产方式的关键技术,是一项高科技、高效益的系统工程。它以计算机软件的形式,为企业提供一种有效的辅助工具,使工程技术人员借助于计算机对产品性能、模具结构、成形工艺、数控加工及生产管理进行设计和优化。模具CAD/CAE/CAM技术能显著缩短模具设计与制造周期、降低生产成本和提高产品质量已成为模具界的共识。与任何新生事物一样,模具CAD/CAE/CAM在近二十年中经历了从简单到复杂,从试点到普及的过程。进入本世纪以来,模具CAD/CAE/CAM技术发展速度更快、应用范围更广,为了使广大模具工作者能进一步加深对该技术的认识,更好发挥模具CAD/CAE/CAM的作用,本文针对模具中应用最广泛、最具有代表性的铸造模、锻模和级进模CAD/CAE/CAM的发展状况和趋势作概括性的介绍和分析。铸造模CAD/CAE/CAM的发展概况铸造成形过程模拟的工作始于求解铸件的温度场分布。1962年丹麦的Fursund用有限差分法首次对二维形状的铸件进行了凝固过程的传热计算,1965年美国通用汽车公司Henzel等对汽轮机铸件成功进行了温度场模拟,从此铸件在模具型腔内的传热过程数值分析技术在全世界范围内迅速开展。从上世纪70年代到80年代,美国、英国、法国、日本、丹麦等相继在铸件凝固模拟研究和应用上取得了显著成果,并陆续推出一批商品化模拟软件。进入90年代后,我国的高等院校,如清华大学和华中科技大学在该领域也取得了瞩目的成就。单纯的传热过程模拟并不能准确计算出铸件的温度变化和预测铸造中可能产生的缺陷,充模过程对铸件初始温度场分布的影响以及凝固过程中液态金属的流动对铸件缺陷形成的影响都是不可忽视的。铸件充模过程的模拟技术始于上世纪80年代,它以计算流体力学的理论和方法为基础,经历十余载,从二维简单形状开始,逐步深化和扩展,现已成功实现了三维复杂形状铸件的充模过程模拟,并能将流动和传热过程相耦合。目前国外已有一批商品化的三维铸造过程模拟软件,如日本的SOLIDIA、英国的SOLSTAR、法国的SIMULOR、瑞典的NOVACAST、德国的MAGMA和美国的AFSOLID、PROCAST等。国内也有清华大学的铸造之星、华中科技大学的华铸CAE等。这些铸造模CAE软件已覆盖铸钢、铸铁、铸铝和铸铜等各类铸件,大到数百吨,小至几千克,无论是在消除缩孔和缩松,还是在优FORGE2、美国的DEFORM、ABAQUS、MSC/e等,都已成功地应用于锻造领域。这些软件不仅可以预测锻件成形的全过程,而且可以定量地给出与变形有关的各种物理量,如位移、速度、应力、应变和载荷等,为获得最优的模具设计、最合理的工艺方案和最少的试模时间提供了技术保证。级进模CAD/CAE/CAM的发展概况国外级进模CAD/CAE/CAM的研究始于上世纪60年代末,70年代便有初步应用,但仅限于二维图形的简单冲裁级进模,其主要功能如条料排样、凹模布置、工艺计算和NC编程等。弯曲级进模CAD/CAM系统出现在80年代,如日本日立公司和富士通公司的弯曲级进模系统等。为了能够适应复杂模具的设计,富士通系统采用了自动设计和交互设计相结合的方法,在该系统中除毛坯展开、弯曲回弹计算和工步排序为自动处理外,其余均需要设计人员的参与。应用三维几何造型技术的级进模系统始于80年代末,如美国Auto-trol公司的Die-Design系统,该系统采用三维几何模型来描述钣金零件,并将三维图形技术应用于模具结构设计,显示出三维图形