2006•Computer Integrated Manufacturing SystemsRequires access

Point-based geometric model applied to CAD/CAM

Shuiguang Tong

Abstract

Conventional geometric models couldn't meet the needs of Computer Aided Design (CAD) and Computer Aided Manufacturing (CAM) of products with complex shape. In order to solve this problem, a point-based geometric model applied to CAD/CAM was put forward. The definition of point-based geometric model and its application process of CAD/CAM were presented. The geometric properties, CAD method, CAM method, and CAD/ CAM system development method of this model were studied. The CAD/CAM application of shoe last showed that point-based geometric model was superior to conventional geometric models, and could realize CAD/CAM in some special products.

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Key concepts: CAD, Geometric modeling, Computer Aided Design, Point (geometry), Computer-aided manufacturing, Engineering drawing, Geometric shape, Geometric design