【摘要】 介绍了IGES文件结构.探讨了用IGES文件作为数据交换文件开发IGES后处理器,实现CMM(三坐标测量机)与CAD集成,从而使三坐标测量机智能化.说明了将IGES文件中目录条目段和参数数据段结合起来,对不同实体类型进行不同的处理,同时对组合实体和结构实体做出特殊处理的提取零件信息的方法.详细讨论了从IGES文件中提取信息和构成适用于三坐标测量机系统的输入数据的处理过程.更多还原

【Abstract】 The structure of IGES files is introduced. With IGES files for data exchange, a method of developing IGES post processor to integrate CMM (coordinate measuring machine) and CAD and intelligentize CMM is discussed. The way to pick up accessory information from IGES files by banding directory entry section together with parameter data section is presented. Data of entities are treated distinctly according to different entity types. The combination entities and structure entities are processed by special operations. All the steps of process to get input data applicable to CMM are explicated.更多还原