【摘要】 提出闸门CAD／CAM系统应具有优化设计、有限元分析、参数设计、自动绘图和计算机辅助制造等功能，由此开发设计了闸阀CAD／CAM系统。系统采用设计计算、分析、动态图库、CAM等模块来满足功能要求，并采用具有实时数据交换功能的动态数据库将各个模块联系在一起。在设计计算中，各零件的设计采用参数驱动的概念模式，由系列化的尺寸参数驱动产生具体模型；在数控编程中，根据零件的特征，系统提供了三种粗切削的方式。可通过三种仿真形式验证NC程序的正确性和有效性。更多还原

【Abstract】 It is proposed that the gate valve CAD/CAM system should have the functions of optimum design,finite element analysis, parameterized design, autodrawing and computer aided manufacturing,thereby a gate valve CAD/CAM system is developed. The calculation and design module, analysis module, dynamic figure base and cam module are developed for satisfying the requirements of the functions in the system, and a database with the function of real-timer dynamic exchange is adopted for the connection of the modules. In the calculation and design module,the design of every component part can be carried out by a parameter driving conception mode, i. e. obtaining concrete mode by seriate dimensions driving. In NC programming, based part feature three cutting forms can be selected. Three simulations are proposes for verifying the correctness and effectiveness of NC program in the system.更多还原