Generalized Optimization Of Product-oriented 3d Parametric Cad System Design

With the developing of the technology of Computer Aided Design, three-dimensional (3D) parametric design, as a new computer aided design method, has been widely used. In order to heighten the design efficiency of some kinds of mechanical products, this dissertation researches into the design method of 3D parametric design of a CAD system face to generalized optimization.The content of the dissertation is to exploit Retarder's CAD System of 3D parametric design face to generalized optimization based on Unigraphics NX 1.0. The main contributions are included as follows: First, on the basis of the theory of 3D parametric design and generalized optimization, the dissertation forms the theory of 3D parametric design face to generalized optimization. Second, bring forward the automatic assembly technology based on ASP of mechanical products and discourse on its realization. Third, study the functions and the approach of quadratics exploitation of Unigraphics NX's, and discuss two kinds of projects of exploiting the Retarder's CAD System. Fourth, integrate the theory of 3D parametric design face to generalized optimaization and the theory of automatic assembly based on ASP, and use the approach of quadratics exploitation of Unigraphics NX's to finish the 3D parametric design of Retarder's CAD System. In a word, it includes the design of soft and hard ware conditions, the design of system interfaces and the design of parametric and optimal program.