Abstract: | To apply Model Based Definition (MBD) technology to aircraft tooling, the definition and management technologies of tooling-oriented MBD model are researched on the basis of tooling features. Firstly, the MBD mathematical model of aircraft tooling is established. A method of describing the model completely is expounded by means of geometry element, property and annotation, and the tooling requirement information is defined specifically and explained in category. Then, some approaches to managing non-geometry information of tooling model are discussed in detail. Property and annotation management modes are introduced. The former is based on classified display in integrated interface and the latter is based on three-view. Besides, a scheme of annotation classified display is researched. Finally, using the technology of Component Application Architecture (CAA), the tooling-oriented MBD definition and management system is developed on the CATIA V5R18 platform. The system is used in the aircraft tooling department of a domestic large aviation enterprise. |