I目录I摘要.................................................................IABSTRACT..................................................................................................................II第一章绪论.....................................................11.1课题背景...................................................................................................................11.1.1CAD技术综述....................................................................................................11.1.2几何建模技术的发展.........................................................................................21.1.3相关标准简介.....................................................................................................31.1.4知识工程(KnowledgeBasedEngineer,KBE)的发展与应用......................31.2基于CAD平台的零件库研究现状及发展趋势.....................................................41.2.1国内外CAD零件库研究现状..........................................................................41.2.2CAD零件库的发展趋势....................................................................................41.3课题主要内容...........................................................................................................51.3.1课题的提出.........................................................................................................51.3.2课题的主要内容.................................................................................................6第二章UG二次开发技术与标准件建库方法............................72.1引言72.2UG软件概述.............................................................................................................72.2.1UG的技术特点...................................................................................................72.2.2UG/CAD主要功能模块.....................................................................................82.3UG二次开发技术.....................................................................................................92.3.1UG/OpenMenuScript..........................................................................................92.3.2UG/OpenUIStyler.........................................................................................11II2.3.3UG/OpenAPI.....................................................................................................132.3.4UG/OpenGRIP..................................................................................................152.3.5UserExit.......................................................................................................162.4UG二次开发流程..............................................172.5UG二次开发建库的思想........................................172.6UG应用开发向导、动态链接库及其调用..........................182.6.1UG应用开发向导...........................................182.6.2动态链接库及其调用........................................182.7基于UG的标准件库创建方法...................................192.7.1关系表达式法..............................................192.7.2用户自定义特征法(UDF)..........................................................................192.7.3电子表格法(零件族法)..............................................................................202.7.4程序设计法................................................202.7...
