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

概要

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Geometric model used in a current CAD / CAM system has been developed to be suitable for representing 3D shapes precisely such as CSG, B-Rep and decomposition model, but no attention is given thoroughly to generate CAM data. 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, machining error due to a small deformation caused by cutting force and heat and so on. Therefore we have been developed a new geometric model named "Boundary-Map Geometric Model", which is based on decomposition model and suitable for CAM functions. In this paper, the authors develop a CAM system using the newly proposed Boundary-Map geometric model. The purpose of this research is to develop a new algorithm to create the cutter location data that is able to use any tool shape. From the result of various machining tests, it is confirmed that the cutter location data created based on Boundary-Map data structure is available to the execution of practical CAM.
沼津工業高等専門学校の論文
2003-01-31