cad技术在机械设计中的作用

毕业设计（论文）任务书专业班级姓名A1A2A3A0A4A5A7A8A6A9A11A10A12A13A14A15A16A17A18A19A20A23A21A22A24A25A26A27A18A28A29A7A30A31A15A16A17A32A33A15A16A34A35A36A37A32A38A39A40A41A42A17A43A44A45A46A35A47A36A37A48A49A43A44A41A42A35A50A51A52A41A35A53A54A55A56A57A39A58A59A60A61A35A62A63A41A42A64A65A66A67A68A40A69A18A70A71A72A73A74A75A8A6A9A11A10A12A76A77A15A16A78A79A35A80A81A82A20A83A84A85A31A86A39A87A88A11A59A89A90A35A91A92A34A93A13A60A94A95A60A33A96A97A35A92A98A99A100A21A101A102A103A104A35A105A37A106A107A15A16A108A109A18A59A60A61A72A74A21A110A28A111A19A112A113A7A64A114A115A27A58A115A116A117A118A119A84A120A28A121A122A18A123A124A107A125A126A127A35A128A129A17A119A13A14A95A130A18A131A132A133A134A35A135A136A135A34A18A15A16A137A28A64A17A119A114A115A35A73A58A115A138A131A139A116A140A141A142A143A47A52A41A43A123A124A144A145A73A15A16A35A73A116A146A98A15A16A146A124A41A42A35A147A148A23A75A11A10A116A131A149A18A35A74A75A150A151A152A131A153A154A72A155A94A18A15A16A37A156A157A37A41A52A155A94A18A114A115A158A130A72A64A159A160A161A35A64A23A75A27A74A75A116A8A6A9A123A124A131A153A162A163A18A164A165A166A21A110A28A167A168A169A170A171A172A173A174A175A176A100A177A39A87A111A127A114A178A172A179A174A177A119A180A111A130A181A182A183A35A184A185A185A185A172A184A174A186A91A52A177A6A187A188A189A8A6A9A25A20A190A127A172A179A174A177A13A14A111A130A181A182A183A35A184A185A185A191A172A192A174A193A194A195A177A6A187A188A189A8A6A9A196A197A86A25A20A172A179A174A177A49A198A111A130A181A182A183A35A184A185A185A184A172A191A174A199A91A200A177A13A201A123A98A49A11A10A172A179A174A177A88A198A181A182A183A35A184A185A185A191A172A202A174A203A204A205A177A111A127A114A178A206A13A14A196A197A172A179A174A177A201A207A88A11A134A198A181A182A183A35A184A185A185A173A198A52A208A209A210A211A212A213A214A215A216A190A217A208A209A210A211A212A213A214A190A218A219A110A117A208A209A210A211A212A213A214A85A110A117A208A209A210A211A212A213A214A220A221A222A223A224A225A226A227A228A2291毕业设计（论文）开题报告设计（论文）题目A230A231A232A233A234A235A236A237A238A239A240A241A242A243A244A245A246A247A241A248A249A250A251A252A230A231A232A253A254A255A11A0A1A2A34A227A3A4A5A6A7A8A9A10A12A13A253A254A14A15A16A17A18A10A12A13A253A254A19A20A17A21A22A71A52A138A9A10A23A24A25A26A27A253A254A28A29A30A31A32A33A35A12A13A36A37A38A39A17A40A7A41A42A34A241A43A242A44A17A45A46A47A48A49A41A42A50A51A53A54A55A41A42A50A12A13A17A56A57A58A59A60A41A42A61A61A71A252A62A63A64A65A66A14A18A10A12A13A229A14A19A20A34A18A10A25A26A27A253A254A67A68A69A63A17A12A13A107A10A70A72A34A144A7A12A13A21A22A73A62A74A75A76A18A10A77A78A79A80A89A34A81A82A83A84A71A18A10A12A13A29A85A81A82A86A87A12A13A17A88A90A91A92A34A93A21A94A95A77A96A50A97A98A99A100A61A101A102A103A104A105A106A108A34A76A12A13A109A108A110A29A111A112A62A113A76A48A114A115A116A36A117A29A19A118A17A41A42A71A52A119A18A10A25A26A27A253A254A117A120A88A121A221A122A79A17A13A123A23A124A125A12A13A253A254A71A9A50A126A42A127A128A17A129A130A131A132A133A115A116A134A135A116A120A136A137A2A139A140A130A3A4A17A6A7A19A20A21A22A34A141A142A36A2A23A24A143A145A17A146A147A148A149A34A150A151A150A152A17A12A13A153A130A133A36A2A115A116A34A119A135A116A110A146A154A120A138A5A33A155A156A48A114A157A6A7A158A159A119A12A13A34A119A120A144A160A12A13A144A7A114A161A34A162A163A9A10A253A254A120A146A85A17A34A18A10A164A165A166A146A73A167A71A168A169A17A12A13A29A170A117A29A114A48A168A169A17A115A116A171A145A71A133A172A173A174A34A133A9A10A134A18A10A120A25A26A27A6A7A146A73A175A176A17A177A178A71A18A50A129A130A127A128A206A12A13A208A229A179A89A180A43A181A89A182A129A130A183A184A76A185A186A26A187A188A189A25A26A27A17A190A191A192A193A194A17A190A191A79A34A195A196A5A33A23A197A6A160A103A253A254A17A198A199A200A201A71A202A203A25A26A27A253A254A17A204A205A207A19A20A209A210A194A26A187A188A189A25A26A27A169A143A18A10A23A24A12A13A34A58A9A10A25A26A27A12A13A169A143A211A212A34A213A214A18A10A25A26A27A12A13A17A215A178A71A133A119A216A217A25A26A27A253A254A76A23A24A12A13A36A17A218A194A71A37A219A220A180A5A25A26A27A222A223A253A254A58A19A20A177A178A209A224A225A226A228A230A231A232A233A234A2352A236A50A12A13A206A89A182A208A169A237A238A239A43A240A243A206A244A245A246A16A208A247A218A131A132A248A249A250A251A248A249A253A254A42A34A100A255A50A104A105A30A75A248A249A175A251A248A249A76A74A49A65A42A77A0A248A249A79A251A248A249A80A100A255A58A25A26A27A39A199A30A75A71A1A2A3A72A71A1A2A4A52A5A8A6A7A19A9A10A11A12A13A71A1A2A14A72A71A1A2A15A61A16A29A17A18A20A21A22A19A81A23A71A1A2A24A72A71A1A2A71A58A25A73A20A8A6A7A21A22A19A57A163A71A1A2A26A72A71A1A4A2A73A20A8A6A7A27A28A31A21A22A32A19A33A34A71A1A4A4A72A71A1A4A35A83A16A8A6A7A62A36A11A9A10A220A163A71A1A4A15A72A71A1A4A24A37A247A84A38A40A86A212A41A87A214A88A42A71A1A4A43A72A71A1A4A71A37A44A84A38A71A1A4A26A72A71A1A14A3A37A247A21A22A46A45A38A40A92A47A94A48A212A41A49A214A50A95A51A212A41A49A214A53A54A51A209A210A211A96A48A55A56A50A95A51A55A59A60A53A54A51A209A210A211A63A64A65A66A67A68A69A70A74A783CAD技术在机械设计中的作用目录0引言1机械CAD发展的背景611现代机械工业所处严峻环境612现代机械工业的基本任务613现代机械工业的基本特点614现代机械工业生产中存在的主要问题62CAD技术系统组成和发展621CAD技术的系统组成622CAD技术的发展73二维CAD的缺点74三维CAD技术在机械设计中的优点841零件设计更加方便842装配零件更加直观843缩短了机械设计周期844提高机械产品的技术含量和质量85CAD技术在机械设计中的应用851零件与装配图的实体生成852模具CAD/CAM的集成制造953机械CAE软件的应用96CAD前沿技术与发展趋势961CAD前沿技术97结束语10答谢辞10参考文献11A82A85A89A90A91A93A97A98A99A1004CAD技术在机械设计中的作用摘要从现代机械工业所处的严峻环境出发，论述了CAD技术在我国机械设计中的发展和背景揭露二维CAD技术的缺点，从而突出三维CAD技术的优势进而阐述CAD技术在机械设计中的作用最后简述了CAD前沿技术与发展趋势关键词A101CAD技术；机械设计英文标题ABSTRACTMODERNMACHINERYINDUSTRYFROMTHESERIOUSENVIRONMENT,DISCUSSESTHEMECHANICALDESIGNCADTECHNOLOGYINOURCOUNTRYTHEDEVELOPMENTANDBACKGROUNDEXPOSETHESHORTCOMINGS,2DCADTECHNOLOGYANDOUTSTANDING3DCADTECHNOLOGYADVANTAGEANDCADTECHNOLOGYINMECHANICALDESIGNFINALLYINTRODUCEDADVANCEDTECHNOLOGYANDDEVELOPMENTTRENDOFCADKEYWORDCADTECHNOLOGYMECHANICALDESIGN0引言计算机技术的发展，带来第三次技术革命浪潮，随G11540计算机G17753G2173设计G708CADG709技术G2029G7171计算机在工业G20058G3507应用中最G1038G8975G17303的G980G6915G452G4439集G6980G1552计算G451G1235G11507模G6323G451G1972G1321模G3423处G10714G451图G5430G4410G451G6980G6466G5223G12661G10714系统G12573方G19766的技术G1038G980体，G6238G6289G16949的G451G5191G19766的G451G2010G12175的设计G4557G16949具体G2282G451G5430G16949G2282，G4439G14033G3827G17902G17819G256G15406G6323现实G257技术G6238产品的G5430G10378G451G7460质G451G14406G5437，G10990G14279加工G17819G12255G9119G9447G4625G14280G3332G15932现出来，G5194G14033G6238产品的设计G17819G12255，G17902G17819G6980G6466G12661G10714，实现系统G2282和G16280G14551G2282G452随G11540CAD基G11796G10714论和应用技术的G993G7041发展，G4557CAD系统的G2163G14033要G8726G1075G17246来G17246高G452设计G1166G2604G993G1889G1177G1177G9397G17287G1122G1523G2173CAD系统来G17810G2052G256G11005图G10268G257的G11458的G452而G7171G5088G7407G4439G14033从本质G990G1955G17743G3835量简G2345G9914G10724的工作量，G1363G1194G1216G14033集中G12946G2159G1122G18039G1135G4512G7389G2031造G5627的高G4630次G5617维G8975G2172中G452G11013G1122三维CAD系统具G7389G2499G16282G2282G3921G451G5430G16949直观G451设计G6940G10587高G451G1209G2462G14033G1038CG44MG54工G12255中G2520应用环G14422提G1391G4448G6984的设计G451工G14414G451制造G1461G5699G12573优势，G1363G1866G2474代传统的纯二维CAD系统已成G1038历史发展的必然G452要加快我国G6984体经济水G5191的提高和发展G451提高制造业企业的竞争G2159,企业G1461G5699G2282建设G7171G980个G7389G6940而非常重要的手段,而CAD技术G7171制造业技术G2031新的基G11796,更G7171企业全G19766G1461G5699G2282的基G11796,所G1209采用CAD技术G7171企业进行全G19766G1461G5699G2282建设的第G980步G452但G11013G1122多方G19766的原因和行业的特殊G5627,从事机械产品设计和制造的G1166G2604G5194没G7389意识G2052CAD技术的重要G5627,这在很G3835G12255度G990限制了机械产品设计质量和设计G6940G10587的提高,从而G1363机械制造这个CAD技术最先涉G17287的最古老的传统工业发展缓慢,严重制约了我国G6984体经济水G5191的提高和发展A102A103A104A105A106A107A108A109A110A11151机械CAD发展的背景G19766G4557市场全球G2282和激烈的竞争，从现代机械工业所处的严峻环境，G2462G1866基本任务G451特点和存在问题出发，阐明机械CAD产生的背景G45211现代机械工业所处严峻环境现代机械工业G19766临G11540极G1866严酷的外部环境的挑战G452这G1135严酷的挑战G2499归结G10381科G4410技术高速发展；2传统资源渐见枯竭；3买方市场日益强G2282G45212现代机械工业的基本任务机械工业必须G6238加快产品的更新和开发放在第G980位，G1209便在充G2010利用现代科G4410技术最新成就的基G11796G990，按照高G6940G451优质G451低成本的要G8726，迅速开发出G9397G17287买方需G8726的G2520种省料G14422G14033的新产品G452因此，现代机械工业的基本任务G2499G1209归纳G10381G3835G2159开发新产品；2保证产品质量；3G993G7041提高劳G2172生产G10587；4G7389G6940降低生产成本G452G1866中G3835G2159开发新产品G7171关键和核心G45213现代机械工业的基本特点1多品种小批量生产占主导G3332位；2生产技术和制造系统的柔G5627G2282；所谓柔G5627，即指针G4557G990述特点所必须具G7389的G980种灵G8975应变的G14033G2159或快速响应的G14033G2159G452生产技术和现代制造系统适应产品变G2282和产量变G2282所具G7389的G980种G6940G10587G452这种G6940G10587高，即说明制造柔G5627G3921G45214现代机械工业生产中存在的主要问题G11013G1122多品种生产的现代机械工业生产中占G7389优势比重，因此多品种生产的现G10378G2499G1209看作机械工业生产现G10378的G980G19766镜子G452多品种生产存在的问题，实际G990反映了G6984个机械工业存在的问题G452这G1135问题概述如下1开发新产品的生产技术准G3803体制G993G2524G10714；2生产技术和生产组G13467G12661G10714G2325G2010G14865后；3G16280模G3835而G6940益G5058的全G14033G3423企业模G5347；4G6984个机械工业的结G7512体制G993利G1122发展零部件G999业G2282和工G14414G999业G2282G452G13520G990所述，企业要G17206G5483市场，技术G2031新G7171G14279关重要的，而技术G2031新主要体现在产品设计的G2031新G452G1955G4581在设计工作中的简G2345重G3809劳G2172，G5122G2173设计G13785G6238G3848G14053中产生的设计G5430G16949迅速准G11842G3332在计算机中反映出来，G1363G1866G4570G8892意G2159集中G1122G4512G7389G2031造G5627的设计G8975G2172中，从而提高设计的G6940G10587和质量，CAD技术的应用G7171关键G4522CAD技术系统组成和发展21CAD技术的系统组成。CAD系统G2265G6336G11840件和软件G1016G3835部G2010G452G11840件系统G7171计算机G17753G2173设计技术的G10301质基G11796软件系统G7171计算机G17753G2173设计技术的核心,G4439G1927G4462了系统所具G7389的G2163G14033G452A102A103A104A105A106A107A108A109A110A111622CAD技术的发展CADCG82G80G83G88G87G72G85AG76G71G72G71DG72G86G76G74G81G7171计算机G17753G2173设计的G14533G7003缩G1901，G7171利用计算机强G3835的图G5430处G10714G14033G2159和G6980G1552计算G14033G2159，G17753G2173工G12255技术G1166G2604进行工G12255或产品的设计与G2010G7524，G17810G2052G10714G5831的G11458的，G5194G2474G5483G2031新成G7536的G980种技术G452G142701G285G19G5192计算机G17753G2173设计G708CADG709技术G16818生G1209来，已G5203G8879G3332应用G1122机械G451G11017子G451建G12581G451G2282工G451G14334G12366G14334G3837G1209G2462G14033源G1144G17902G12573G20058G3507，产品的设计G6940G10587G20146速G3332提高G452现已G4570计算机G17753G2173制造技术G708CG82G80G16G83G88G87G72G85AG76G71G72G71MG68G81G88G73G68G70G87G88G85G76G81G74，CAMG709和产品G6980G6466G12661G10714技术G708G51G85G82G71G88G70G87DG68G87G68MG68G81G68G74G72G80G72G81G87，G51DMG709G2462计算机集成制造系统G708CG82G80G83G88G87G72G85G44G87G72G74G85G68G87G72G71G80G68G81G88G73G68G70G87G88G85G76G81G74G86G92G86G87G72G80，CG44MG54G709集G1122G980体G452产品设计G7171G1927G4462产品命G17828的G11752G12362，G1075G7171最重要的环G14422，产品的设计工作G1927G4462G11540产品G265G8的成本G452G11458前，CAD系统已G11013最G2033的G1177具G6980G1552计算和图G5430处G10714G2163G14033的CAD系统发展成G1038结G2524G1166工G7246G14033技术的G7246G14033CAD系统G708G44CADG709G44G81G87G72G79G79G76G74G72G81G87CADG45221G1002G13438，G44CAD技术G4570具G3803新的特G5461和发展方G2533，G1209提高新G7114代制造业G4557市场变G2282和小批量G451多品种要G8726的迅速响应G14033G2159G452G1209G7246G14033CADG708G44CADG709G1038代G15932的现代设计技术G451G7246G14033G8975G2172G7171G11013设计G999G4490系统G4448成G452这种系统G14033G3827模G6323G7588G980G20058G3507G1881G999G4490设计的G17819G12255，采用G2345G980G11705识G20058G3507的G12538G2507G6524G10714技术，G16311G1927G2345G980G20058G3507G1881的特G4462问题G452G16825系统G6238G1166工G7246G14033技术和优G2282G451G7389限G1815G451计算机G13484图G12573技术结G2524G17227来，G4625G2499G14033多G3332G1363计算机G2454与方G7708G1927G12586G451G5627G14033G2010G7524G12573常G16280设计G17819G12255，G1523G2173计算机的G6915G6357，设计G6940G10587G7389了G3835G3835G3332提高G4523二维CAD的缺点二维CAD与三维CAD进行比G17751，G7186现二维的G993G17287随G11540CAD基G11796G10714论和应用技术的G993G7041发展，G4557CAD系统的G2163G14033要G8726G1075G17246来G17246高G452设计G1166G2604G993G1889G1177G1177G9397G17287G1122G1523G2173CAD系统来G17810G2052G256G11005图G10268G257的G11458的，而G7171G5088G7407CAD系统G14033从本质G990G1955G17743G3835量简G2345G13333G10724的工作量，G1363G1194G1216G14033集中G12946G2159G1122G18039G1135G4512G7389G2031造G5627的高G4630次G5617维G8975G2172G452G11013G1122三维CAD系统具G7389G2499G16282G2282G12255度高G451G5430G16949直观G451设计G6940G10587高，G1209G2462G14033G1038企业G6980G4395G2282的G2520G12879应用环G14422提G1391G4448G6984的设计G451工G14414和制造G1461G5699G12573优势，G11458前G8503在G17892步G2474代传统的纯二维CAD系统G452G1209二维G5430G5347G15932G17810的工G12255图G7171工G12255技术G1166G2604反映G1866设计G5617G5831的G16833G16340，工G12255图中G17836G2265含G11540G980G1135行业约G4462和简G2282；G2528G7114，G11013G1122G4439G17902G17819G17885G6333最G2524G10714的G6249G5445G19766G451G2090G2011位G13634和G2090G2011方G5347来G15932G17810零件的G1972G1321和加工G1461G5699，因而具G7389简G2345G451G4448G6984和准G11842G12573特点G452这种G1209G6249G5445原G10714G1038基G11796的工G12255图G14033G3827G15932G17810的零件的G3809G7446G5627G1972G1058G7171G7092限的，G1166G12879G17829二G11346G5192来的实G17353充G2010证明了工G12255图G15932G5461零件的G2524G10714G5627G452此外，G1075G11013G1122经济实G2159G451技术水G5191和工作G1076G5827G12573方G19766的原因，二维图G13452G993G1262在短期G1881全部G9052G1141G452G1209下G7171G4557二维CAD系统和三维CAD系统的G2010G7524比G177511三维CAD系统的核心G7171产品的三维模G3423G452G4439所G15932G17810的G1972G1321体G1461G5699G17246来G17246G4448G6984和准G11842，G14033G16311G1927“设计”的G14551G3272G17246G5203G452产品的三维模G3423G2499G1209直G6521G17902G17819G6249G5445生成二维工G12255图；三维CAD系统的模G3423G2265含了更多的实际结G7512特G5461，G17902G17819赋予零部件G980G4462的G10301G10714属G5627，就G2499G1209进行产品结G7512G2010G7524和G2520种G10301G5627计算，G5194G1038后续设计制造模块如G6980控加工G12573应用，G1363用户在采用三维CAD造G3423工具进行产品结G7512设计G7114，就G14033反映实际产品的G7512造或加工制造G17819G12255，成G1038实现CAD/CAE/CAPP/CAM集成的基G11796G4522三维CAD系统具G7389更高级的造G3423工具，G14033G3827G7512造G2520种G3809G7446的产品G5430G10378，G6915G6357产品的装配设计，实现“G14270顶G2533底”和“G14270底G2533顶”G12573设计方法；三维CAD系统采用的三维特G5461和G2454G6980G2282G2163G14033G17836G2499G1209更加准G11842G3332G15932G17810设计G13785的设计意图，G1363设计G17819G12255更加G12538G2524设计G13785的设计G1076G5827和G5617维方G5347G4523三维造G3423系统G14033方便G3332与CAE系统集成，A102A103A104A105A106A107A108A109A110A1117G6915G6357结G7512G2010G7524的前后处G10714和设计G1235G11507G12573G3809G7446设计G17819G12255，方便G3332与工G14414和G17753G2173制造系统集成，G14033提G1391G6980控加工所需的G1461G5699，如NC代码，实现CAD/CAE/CAPP/CAM的集成G4524三维CAD系统价格相G4557G17751贵；需要巨G3835的G1461G5699存储G12366间，G4557G11840件的要G8726G17751高；G4557用户的G11705识和操作技巧要G8726G17751高，掌握G17227来比G17751困难G452G2499见，三维CAD系统G7389G1866G14270身巨G3835的优G17246G5627，随G11540计算机软G11840件系统的发展，G5627G14033价格比的G993G7041提高，这种优G17246G5627G1262G17246来G17246明G71864三维CAD技术在机械设计中的优点G17902G17819实际应用三维CAD系统软件,笔G13785体G1262G2052三维CAD系统软件比二维CAD在机械设计G17819G12255中具G7389更G3835的优势,具体G15932现在G1209下G1972点41零件设计更加方便G1363用三维CAD系统,G2499G1209装配环境中设计新零件,G1075G2499G1209利用相邻零件的位G13634G2462G5430G10378来设计新零件,既方便又快捷,避免了G2345独设计零件导G14280装配的失败G452资源查找器中的零件回放G17836G2499G1209G6238零件造G3423的G17819G12255G17902G17819G2172画演示出来,G1363G1166G980G11458了然G45242装配零件更加直观在装配G17819G12255中,资源查找器中的装配路径查找器记录了零件之间的装配关系,若装配G993G8503G11842即予G1209G7186示,另外,零件G17836G2499G1209隐藏,在隐藏了外部零件的G7114候,G2499清楚G3332看G2052G1881部的装配结G7512G452G6984个机器装配模G3423G4448成后G17836G14033进行G17828G2172演示,G4557G1122G7389G980G4462G17828G2172行G12255要G8726的,G2499检验行G12255G7171否G17810G2052要G8726,G2462G7114G4557设计进行更改,避免了产品生产后才发现需要修改G10990G14279报废G45243缩短了机械设计周期采用三维CAD技术,机械设计G7114间缩短了G178291/3,G3835幅度G3332提高了设计和生产G6940G10587G452在用三维CAD系统进行新机械的开发设计G7114,只需G4557G1866中部G2010零部件进行重新设计和制造,而G3835部G2010零部件的设计都G4570继承G1209往的G1461G5699,G1363机械设计的G6940G10587提高了35倍G452G2528G7114,三维CAD系统具G7389高度变G3423设计G14033G2159,G14033G3827G17902G17819快速重G7512,G5483G2052G980种全新的机械产品G45244提高机械产品的技术含量和质量G11013G1122机械产品与G1461G5699技术相融G2524,G2528G7114采用CADCG44MG54组G13467生产,机械产品设计G7389了新发展G452三维CAD技术采用先进的设计方法,如优G2282G451G7389限G1815受G2159G2010G7524G451产品的G15406G6323设计G451G17828G2172方针和优G2282设计G12573,保证了产品的设计质量G452G2528G7114,G3835G3423企业G6980控加工手段G4448善,G1889采用CAD/CAG51G51/CAM进行机械零件加工,G980G14280G5627很G3921,保证了产品的质量G4525CAD技术在机械设计中的应用51零件与装配图的实体生成511零件的实体建模G452CAD的三维建模方法G7389三种,即线框模G3423G451G15932G19766模G3423和实体模G3423G452在许多具G7389实体建模G2163G14033的CAD软件中,都G7389G980G1135基本体系G452如在AG88G87G82CAD的三维实体造G3423模块中,系统提G1391了六种基本体系,即立方体G451球体G451圆柱体G451圆锥体G451环G10378体和楔G5430体G452G4557简G2345的零件,G2499G17902G17819G4557G1866进行结G7512G2010G7524,G4570G1866G2010G16311成若干基本体,G4557基本体进行三维实体造G3423,之后G1889G4557G1866进行G1144G451G5194G451G5058G12573布尔G17828算,便G2499G5483出零件的三维实体模G3423G452G4557G1122G7389G1135G3809G7446的零件,往往难G1209G2010G16311成若干个基本体,G1363组G2524或G2010G16311后产生的基本体G17819多,导G14280成G3423困难G452所G1209,G1177G7389基本体系G17836G993G14033G4448全G9397G17287机器零件三维实体造G3423的要G8726G452G1038此,G2499在二维G1972G1321G1815素G7512造中先G4462义零件的截G19766轮廓,然后在三A112A113A114A115A116A117A118A119A120A1218维实体造G3423中G17902G17819拉伸或旋转G5483G2052新的G256基本体G257,进而G17902G17819G1144G451G5194G451G5058G12573G5483G2052所需要零件的三维实体造G3423G452512实体装配图的生成G452在零件实体G7512造G4448成后,利用机器G17828G2172G2010G7524G17819G12255中的资料,在G17828G2172的G7588G980位G13634,按G2520零件所在的坐标进行G256装配G257,这G980G17819G12255G2499用CAD软件的三维编辑G2163G14033实现G45252模具CAD/CAM的集成制造随G11540科G4410技术的G993G7041发展,制造行业的生产技术G993G7041提高,从普G17902机床G2052G6980控机床和加工中心,从G1166工设计和制图G2052CAD/CAM/CAE,制造业G8503G2533G6980G4395G2282和计算机G2282方G2533发展G452G2528G7114,模具CAD/CAM技术G451模具激光快速成G3423技术RG51MG12573,G1972G1058覆盖了G6984个现代制造技术G452G980个G4448G6984的CAD/CAM软件系统G7171G11013多个G2163G14033模块组成的G452如三维G13484图G451图G5430编辑G451曲G19766造G3423G451G1235G11507模G6323G451G6980控加工G451G7389限G1815G2010G7524G451G2172态G7186示G12573G452这G1135模块应G1209工G12255G6980G6466G5223G1038基G11796,进行统G980G12661G10714,而实体造G3423G7171工G12255G6980G6466的主要来源之G980G45253机械CAE软件的应用机械CAE系统的主要G2163G14033G7171工G12255G6980G1552G2010G7524G451结G7512优G2282设计G451强度设计评价与寿命预估G451G2172G2159G4410/G17828G2172G4410G1235G11507G12573G452CAD技术在G16311G1927造G3423问题后,才G14033G11013CAEG16311G1927设计的G2524G10714G5627G451强度G451刚度G451寿命G451G7460料G451结G7512G2524G10714G5627G451G17828G2172特G5627G451干涉G451碰撞问题和G2172态特G5627G12573G4526CAD前沿技术与发展趋势61CAD前沿技术611图G5430G1144互技术CAD软件G7171产品G2031新的工具,务G8726易G4410G3921用,G5483心应手G452G980个友G3921的G451G7246G14033G2282的工作环境G2499G1209开拓设计师的G5617路，G16311放G3835G14053，让G1194G6238G12946G2159集中G2052G2031造G5627的工作中G452因此,G7246G14033G2282图标菜G2345G451G256拖放G5347G257造G3423G451G2172态导G14334器G12573G980系列G1166G5627G2282的G2163G14033，G1038设计师提G1391了方便G452此外，笔输入法草图识G2047G451G16833G16340识G2047和特G5461手势建模G12573新技术G1075G8503在G11752G12362之中G452612G7246G14033CAD技术CAD/CAM系统应用G17892步G9157入,G17892渐提出G7246G14033G2282需G8726设计G7171G980个含G7389高度G7246G14033的G1166G12879G2031造G5627G8975G2172G452G7246G14033CAD/CAMG7171发展的必然方G2533G452G7246G14033设计在G17828用G11705识G2282G451G1461G5699G2282的基G11796G990，建立基G1122G11705识的设计G1191G5223,G2462G7114准G11842G3332G2533设计师提G1391产品开发所需的G11705识和G5122G2173,G7246G14033G3332G6915G6357设计G1166G2604，G2528G7114G6441G14731和G10714G16311设计G1166G2604意图G451G14270G2172检G8991失G16835，回G12584问题G451提出建G16770方G7708G12573G452G5194具G7389G6524G10714G2163G14033,G1363设计新手G1075G14033G1582出G3921的设计来,现代设计的核心G7171G2031新设计,G1166G1216G8503G16809图G6238G2031新技法和G1166工G7246G14033技术相结G2524应用G2052CAD技术中,用G7246G14033设计G451G7246G14033制造系统G2447G2031造G5627指导G16311G1927新产品G451新工G12255和新系统的设计制造,这G7691才G140