In the view of the MBD information of the 3D CAD model that is complex and difficult to manage, an information management method of 3D CAD model based on definition is proposed.By the technology of the secondary development of Pro/E,the information of 3D CAD model is extacted and classified.Next, the MBD information of 3D CAD model is displayed on the MFC interface by hierarchical management.Finally , an example is given to verify the effectiveness and practicability of the approach.%针对基于模型定义的三维CAD产品的模型信息繁杂、难以管理的特点、提出了基于模型定义的信息分层管理的方法.首先利用Pro/E二次开发技术,提取三维CAD模型信息并将信息进行分类;其次从分层管理的角度,将三维CAD模型MBD信息在可视化界面上予以展示,方便信息的查询、删除和修改.最后通过实例验证该信息管理方法的有效性和实用性.
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