机械CADCAM教案Word下载.doc

1、教学重点及难点重点：CAD、CAPP、CAM的概念难点：CAD/CAM系统的作业过程教学方法及手段双语教学作业布置习题 1.1 、1.2使用教材和主要参考资料教材：机械CAD/CAM技术，王隆太，机械工业出版社，2005专业资料：1、计算机辅助设计与制造，姚学英，高教，2002 2、机械CAD/CAM（英文版），胡红舟，武汉理工，2004教学后记双语教学、学生接受能力受到挑战附：教学内容Chapter 1Mechanical Engineering CAD/CAM TechnologyChapter 1 Introduction1.1 what is CAD/CAM basic concept

2、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、 结构组成 Structure of CAD systemCAD SystemGraph systemDatabase systemScientific calcu

3、lationHard wareSoft ware二、 CAM：computer aided manufacturing1、 have no uniform definitionGeneralized CAM：the use of computer in manufacture field Include： technology prepare production control（生产控制） quality control2、 narrow CAM：CANCPPgenerally， CAM used as narrow CAM in CAD/CAM三、 CAPP computer aided

4、process planningCAPP is usually considered to be part of CAM1、 define：根据产品的设计结果进行产品的加工方法和制造过程的设计。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 sysCADDrawingCAPPTechnicalDocumentCA

5、MNC codes2、 Integrated 3c sysNC codeNetwork Database Data Interface1.2 CAD/CAM Function and working process一、 Function：建模 Model Building二、 Working process of CAD/CAM systemIdeaRPVMAMProductsTechnicsProductPrototypeDesign1.3 Hard ware and software一、 the structure of CAD/CAM sysManKeySoftwareCoreHardw

6、areBaseHardware：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 tu

7、be 阴极射线管LCD：liquid crystal display 液晶显示屏三、 software：common CAD/CAM software1、 system software：OS：Windows 、Linux、 DOS2、 based software：AutoCAD、Master CAM、Pro/e3、 应用软件：application software： Internet application： a system for particular functionMore of them is developed by the user for special function

8、。机 电 工 程 系 教 案专业课08.9.17.08.9.24Stayed tech of CAD/CAM （支撑技术）1.了解CAD/CAM 技术的主要支撑技术2.了解数据库管理技术的基本概念3.了解网络技术的基本概念1. 数据库技术、网络技术的基本概念2. 两次技术在CAD/CAM 系统的作用2.1，2.7同前版书的英文较多，学生意见较大Chapter 2 Stayed Technology of CAD/CAMWhich Stayed Technology CAD/CAM Needs?Integrated 3C system Info info CAD CAPP CAM Net Dat

9、abase 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 standar

10、ds 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 资源管理器2.data files:一组具有相同性质和结构的数据记录的集合。3.data re

11、cord: 一系列相关的数据项 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 electr

12、onic database.（用户不需要了解DBMS的内部结构，会用即可）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:满足人们在工程活动中对数据处理要求的数据库。2. the difference compared with DBMS 支持复杂的数据类型 支持复杂的数据结构 具有丰富的语义关联 工程数据的动态管理3. merit of E-DBMS可以管理复杂的工程数据 complex engineering data.具有动态建模功能 dynamic model building可以多库操作及多版操作 PDM（product data management） 1. PDM: is a kind of teda to manage all related info and course of the product.2. ar