The Study Of PDM (Product Data Management) System Based On Solid Edge Oriented To Small And Medium-size Enterprises

RDM has been one of the rapidly developed technologies in the last few years. It" s an enabling technology to support the implementation of advanced management programs in business and project. It is also a main support environment of C1MS information integrated system. This paper discusses the basic concepts, architecture and functions of PDM system, the problems faced by PDM, and the key technology of PDM. The developing tendency of PDM technology is also analyzed.In this paper, the characteristics of small and medium-size enterprises and the requirement of the PDM system oriented to small and medium-size enterprises are analyzed in detail, based on which the system architecture and framework of the PDM system oriented to small and medium-size enterprises are presented. A PDM system based on the 3D CAD platform, Solid Edge and oriented to small and medium-size enterprises is introduced in detail.In the system, the author mainly designs and implements the product structure management module, the query module , the BOM module, the product project & task management module, the department & member management module, the general part library, the standard part library ,the material library ,the CAD interface and the CAPP interface management module.In the study on this PDM system, an approach to the exchange of the original net mode of engineering data to the 2-dimension data table of relation database is presented. The problems of fast browser of drawing files, shift between 2D working drawing and 3D model display, drawing print in browser environment without entering CAD environment and, the extraction of technological data and the corresponding dimensions from CAD model and storing in PDM database are solved.After establishing the part and assembly models based onSolid Edge, through Solid Edge Object hierarchy, Solid Edge controls, the application of programming skill based on variable, features and dimensions, the system implements the extraction and drive of the data of part features and assembly layers in the CAD system, and provides data interface to CAPP and CAM for data exchange, which shows the function of PDM as the base of CAX integration.