B-Rep 솔리드모델을 이용한 머시닝센터용 CAD/CAM시스템 개발(II)(솔리드모델을 이용한 3차원 CNC가공계획에 관한 연구)

Development of smart CAD/CAM System for Machining Center Based on B-Rep Solid Modeling Techniques(ll) (A study on the 3-D CNC Cutting Planning Method Using Solid Model)

In this paper, the CNC cutting planning module for product with three dimensional solid shape is realized to develop a smart CAD/CAM system which performs systematically from the shape design of procuct by the B-Rep solid modeler to the CNC cutting of product by a machining center. The three dimensional solid shape of product can be easily designed and constructed by the Euler operators and Boolean operators of the solid modeler. And the various functions such as the automatic generation of tool path for the rough and finish cutting processes, the automatic elimination of overcut, the automatic generation of CNC code for the machining center and do on, are established. Especially, the overcut-free tool paths are obtained by splitting the CL solid which is composed of the offset surfaces of the solid shape of product.