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Modeling and Implementation of Engineering Change Management in Product Data Management

Wan Li Luo Xinxing (CAD Engineering Research Center, Huazhong University of Science and Technology, Wuhan, 430074)  
Engineering change management, which is basis on Product Data Management (PDM) system, controls the pre-released and released product data. In this paper, an Object Oriented model of engineering change management on the basis of windchill has been established. Moreover, the integrity check based on the relationship among product data is discussed, and the synchronicity among EC objects is put forward. Finally, an implementation of the model in a manufacturing company is given as an example.
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