<論文>Boundary-Map形状モデルに基づ<CADシステムの開発に関する研究

概要

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Geometric model being used in a current CAD system has been developed to be suitable for representing 3D shapes precisely, but no attention is given thoroughly to generate CAM data. Therefore, when these geometric models are applied to CAM system, some problems occasionally arise in an accuracy of generated tool path, an execution speed for checking the interference between tool and model shape and so on. To solve these problems, a new geometric model named "Boundary-Map Geometric Model", which is based on decomposition model and suitable for CAM functions, is developed. In this paper, the authors develop a CAD system using the newly proposed Boundary-Map geometric model. The system is constructed by typical four sub-systems. As a result, it is confirmed that the Boundary-Map geometric model satisfies enough basic functions required to a common CAD system.
2002-01-31