機(jī)械CADCAM教案.doc

機(jī)電工程系機(jī) 電 工 程 系 教 案課程名稱機(jī)械CAD/CAM技術(shù)授課對象0501課程類型專業(yè)選修課授課時(shí)間08.9.10任課教師職稱助教授課題目機(jī)械CAD/CAM技術(shù)緒論教學(xué)目的及要求1. 掌握CAD/CAM技術(shù)的基本概念2. 掌握CAD/CAM技術(shù)的作業(yè)過程3. 了解CAD/CAM系統(tǒng)的硬件和軟件系統(tǒng)4. 了解CAD/CAM技術(shù)的基本專業(yè)術(shù)語教學(xué)重點(diǎn)及難點(diǎn)重點(diǎn)：CAD、CAPP、CAM的概念難點(diǎn)：CAD/CAM系統(tǒng)的作業(yè)過程教學(xué)方法及手段雙語教學(xué)作業(yè)布置習(xí)題 1.1 、1.2使用教材和主要參考資料教材：機(jī)械CAD/CAM技術(shù)，王隆太，機(jī)械工業(yè)出版社，2005專業(yè)資料：1、計(jì)算機(jī)輔助設(shè)計(jì)與制造，姚學(xué)英，高教，2002 2、機(jī)械CAD/CAM（英文版），胡紅舟，武漢理工，2004教學(xué)后記雙語教學(xué)、學(xué)生接受能力受到挑戰(zhàn)附：教學(xué)內(nèi)容Chapter 1Mechanical Engineering CAD/CAM TechnologyChapter 1 Introduction1.1 what is CAD/CAM basic concept一、 CAD computer aided design1、 Define：A CAD system is a design tool in which the computer is used to analyze various aspects of a designed product。2、 Function： idea design drawing edit project analysis overall design3、 結(jié)構(gòu)組成 Structure of CAD systemCAD SystemGraph systemDatabase systemScientific calculationHard wareSoft ware二、 CAM：computer aided manufacturing1、 have no uniform definitionGeneralized CAM：the use of computer in manufacture field Include： technology prepare production control（生產(chǎn)控制） quality control2、 narrow CAM：CANCPPgenerally， CAM used as narrow CAM in CAD/CAM三、 CAPP computer aided process planningCAPP is usually considered to be part of CAM1、 define：根據(jù)產(chǎn)品的設(shè)計(jì)結(jié)果進(jìn)行產(chǎn)品的加工方法和制造過程的設(shè)計(jì)。2、function： blank design process route design working procedures四、 CAD/CAM integrationIntegration CAD/CAM meant buying the same brand of CAD and CAM products.1、 非集成3c sysCADDrawingCAPPTechnicalDocumentCAMNC codes2、 Integrated 3c sysCADCAPPCAMNC codeNetwork Database Data Interface1.2 CAD/CAM Function and working process一、 Function：建模 Model Building二、 Working process of CAD/CAM systemIdeaCADRPCAPPCAMVMAMProductsNC codesTechnicsDocumentProductPrototypeDesignDocument1.3 Hard ware and software一、 the structure of CAD/CAM sysManKeySoftwareCoreHardwareBaseHardware：Substance Software：core、decide the capability of CAD/CAM system 、man 、designer、key、never be replaced二、 hardware：basic CAD/CAM hardware1、 host computer：workstation or PC inside：CPU、RAM、ROM2、 input device：keyboard、mouse3、 output device：computer monitor、printer plotterCRT：cathode ray tube 陰極射線管LCD：liquid crystal display 液晶顯示屏三、 software：common CAD/CAM software1、 system software：OS：Windows 、Linux、 DOS2、 based software：AutoCAD、Master CAM、Pro/e3、 應(yīng)用軟件：application software： Internet application： a system for particular functionMore of them is developed by the user for special function。機(jī) 電 工 程 系 教 案課程名稱機(jī)械CAD/CAM技術(shù)授課對象0501課程類型專業(yè)課授課時(shí)間08.9.17.08.9.24任課教師職稱助教授課題目Stayed tech of CAD/CAM (支撐技術(shù))教學(xué)目的及要求1.了解CAD/CAM 技術(shù)的主要支撐技術(shù)2.了解數(shù)據(jù)庫管理技術(shù)的基本概念3.了解網(wǎng)絡(luò)技術(shù)的基本概念教學(xué)重點(diǎn)及難點(diǎn)1. 數(shù)據(jù)庫技術(shù)、網(wǎng)絡(luò)技術(shù)的基本概念2. 兩次技術(shù)在CAD/CAM 系統(tǒng)的作用教學(xué)方法及手段雙語教學(xué)作業(yè)布置2.1，2.7使用教材和主要參考資料同前教學(xué)后記版書的英文較多，學(xué)生意見較大附：教學(xué)內(nèi)容Chapter 2 Stayed Technology of CAD/CAMWhich Stayed Technology CAD/CAM Needs?Integrated 3C system Info info CAD CAPP CAM Net Database etc equal (and so on) like GT2.1 Database Management Technology DBMSSection 1: Data ManagementIn Mechanical CAD/CAM, there is lots of various date of which structure would be very complex.It include physical character of product capability of material mathematical model kinds of design standards and criteriaCommon Data management:files management database management sys (DBMS) engineering DBMS PDMfiles mag.1.files many of data: organize data according to unified method and criteria generally. The files management sys. is provided by us like 資源管理器2.data files:一組具有相同性質(zhì)和結(jié)構(gòu)的數(shù)據(jù)記錄的集合。3.data record: 一系列相關(guān)的數(shù)據(jù)項(xiàng) A series of correlative data item.4. merit of files may :simple smart flexible highly active5.disadvantage of files may：very redundant lack of independence lack of integrity and security DBMS1. DBMS: a software system that facilitates the creation and maintenance and use of an electronic database.(用戶不需要了解DBMS的內(nèi)部結(jié)構(gòu)，會(huì)用即可)2. Merits of DBMS compared with file may. independence of data efficient program develops Application program reduce the data redundant assure the accurity and security Engineering DBMS1. Engineering database:滿足人們在工程活動(dòng)中對數(shù)據(jù)處理要求的數(shù)據(jù)庫。2. the difference compared with DBMS 支持復(fù)雜的數(shù)據(jù)類型 支持復(fù)雜的數(shù)據(jù)結(jié)構(gòu) 具有豐富的語義關(guān)聯(lián) 工程數(shù)據(jù)的動(dòng)態(tài)管理3. merit of E-DBMS可以管理復(fù)雜的工程數(shù)據(jù) complex engineering data.具有動(dòng)態(tài)建模功能 dynamic model building可以多庫操作及多版操作 PDM(product data management) 1. PDM: is a kind of teda to manage all related info and course of the product.2. architecture of PDM fig 2-183. integrated CAD/CAM base on PDMPDMMouldingMaterial supportPerformanceAnalysisFile mag.Engineering DesignManufacture4. Types of DBMS structurehierarchical model 層項(xiàng)模型Machine Component 1Component 2Component 311Part 3 meshy model 網(wǎng)狀模型Machine 1Machine 2Part 1Part 3Part 2Part 4 relation modelnameNo.numMaterialskrew0 11HT150Section 2 Network Tech 2.21. Network: a system of computers and peripherals that are linked together. A network can consist of as few as two computers connected by telephone cable ,fiber cable or radio waves. The internet is an example of large network.2. types of network: WAN: wide area network LAN: load area network 3. structure of LAN network card and media server workstation PC net linker HUB 網(wǎng)絡(luò)集線器 network os Unix WinNTPCNetwork cardMediaWorkstationLinkerPCServer4. the topology of network bus start/wye HUB cried net 5. Model of CAD/CAM based on network client/server C/S browser/server B/SServerPrinterHUBPc Pc Pc Pc Pc Pc WebserverDatabase serverDatabasemerit of C/S: Highly speed. More interactive merit of B/S: simpled client. Friendly interface 機(jī) 電 工 程 系 教 案課程名稱機(jī)械CAD/CAM技術(shù)授課對象0501課程類型專業(yè)課授課時(shí)間08.10.8. 08.10.15任課教師職稱助教授課題目設(shè)計(jì)數(shù)據(jù)的處理技術(shù)教學(xué)目的及要求1.掌握機(jī)械手冊中數(shù)表的處理2.掌握線圖的計(jì)算機(jī)處理3.掌握數(shù)表的公式化處理技術(shù)教學(xué)重點(diǎn)及難點(diǎn)1. 數(shù)表的程序化2. 數(shù)表的文件化3. 數(shù)表的公式化處理教學(xué)方法及手段雙語教學(xué)（專業(yè)術(shù)語雙語化）作業(yè)布置使用教材和主要參考資料同前教學(xué)后記數(shù)表計(jì)算機(jī)化的作用。概念是重點(diǎn)附：教學(xué)內(nèi)容第三章 設(shè)計(jì)數(shù)據(jù)的處理技術(shù)Chapter three: treatment of design data 3.1 treatment of numerical tables 常數(shù)數(shù)表：（const）材料的機(jī)械性能，標(biāo)件尺寸，無函數(shù)關(guān)系兩類數(shù)表 列表函數(shù)：（list function）表示工程的復(fù)雜參數(shù)列表數(shù)關(guān)系可用某個(gè)理論公式（theoretical）或經(jīng)驗(yàn)公式(empirical formula)表示 常數(shù)數(shù)表：數(shù)組列式，數(shù)表數(shù)量較大可存入文件的database處理方法 列表函數(shù)：上述方法外可進(jìn)行公式化處理，直接求解公式。一、 數(shù)表的程序化例3-1 （setq alfa (list 90.0 100.0 )） (setq kalfa (list 0.68 0.74 0.79)例3-2 (defun c:radi()(setq a(list 10 13 17 22 32 38 50)(setq n( )(setq a0( )(setq y0( ) （setq a (getin “請輸入v帶型號(hào)（0 1 2 3 4 5 6 ）”） （if(and ( i 0)(= i 0)(I = n 2) (NEW_Dialog “DRAW” DCL:ID) (Settile “DRAW_Px” (vl_.(carp) (.(cadrp) (action_tile “accept”“(draw2)(done dialog1”) (action_tile “getp”“ (done dialog 2”)(if (= n 0 2 )(setq p (getpoint)(unload_dialog DLLID)(command “dieve” p1p2p3.pn “c”)（defun C:draw2()(setq px lacof (get-title “DRAW_Px”)(setq py lacof (get-title “DRAW_Py”).(setq p0 cimt px py)機(jī) 電 工 程 系 教 案課程名稱機(jī)械CAD/CAM技術(shù)授課對象0501課程類型專業(yè)課授課時(shí)間2任課教師職稱助教授課題目CAPP基礎(chǔ)教學(xué)目的及要求1. 掌握CAPP的含義、分類、作用2. 掌握CAPP的結(jié)構(gòu)3. 掌握CAPP相關(guān)的專業(yè)術(shù)語教學(xué)重點(diǎn)及難點(diǎn)1. CAPP的含義、分類2. CAPP的結(jié)構(gòu)教學(xué)方法及手段啟發(fā)式講授作業(yè)布置7.1使用教材和主要參考資料教學(xué)后記附：教學(xué)內(nèi)容第七章 計(jì)算機(jī)輔助工藝設(shè)計(jì)Chapter 7 CAPP7.1 Introduction一：CAPP技術(shù)（Computer Aided Process Planning）1. meaning / connotation:CAD/CAM 技術(shù)的紐帶產(chǎn)品設(shè)計(jì)工藝設(shè)計(jì)產(chǎn)品制造CAD CAPP CAM2. class:retrieval CAPP sys 檢索式variant 變異式Generative CAPP sys 創(chuàng)成式Hybrid CAPP 混合式、綜合式3. develop:CAPP Process Planning Production PlanningCE Concurrent Engineering 并行工程AM Agile Manufacturing 靈活快捷響應(yīng)市場 FMSVM virtual VMEPR Enterprise Resource Planning 企業(yè)資源計(jì)劃GMS Computer Intergnated Msys4. use:課本要點(diǎn)二、construction of CAPP工藝文件庫Files DB工藝數(shù)據(jù)庫知識(shí)庫processing零件信息庫Aequirement of Partinfo DBCAD人機(jī)交互管理interface工藝文件管理Tech files management工藝決策dicision零件信息獲取Obtain二、part info processing knowledge DB rule1.content: geomenting info, process info2.mentbed:零件分類編碼描述法 part sorting codeGT（group tech）成組技術(shù) mulaely label形狀特征描述法 shape charactor respresatation語言描述法 cldvanced languadge只是表示法 AI (Artifred Zntellgeule) knowledgeCAD結(jié)果輸入 outcome總結(jié)：軸類零件的輸入、箱體類零件的輸入是CAPP的一個(gè)難點(diǎn)。7.2 CAPP的基本原理和方法Basic Prineples and methods of CAPP Variant CAPP Common CAPP: Generative CAPP Hybrid CAPPCAPP系統(tǒng)開發(fā)的根據(jù)：企業(yè)特點(diǎn)、產(chǎn)品類