AUTOMATIC 3D MACHINING FEATURE-EXTRACTION FROM 3D CSG SOLID INPUT

被引：60

作者：

PERNG, DB

CHEN, Z

LI, RK

机构：

[1] Institute of Computer Science and Information Engineering, Chiao Tung University, Hsinchu

[2] Department of Industrial Engineering and Management, National Chiao Tung University, Hsinchu

来源：

COMPUTER-AIDED DESIGN | 1990年 / 22卷 / 05期

关键词：

CAD; CAM; CSG tree; machining feature extraction;

D O I：

10.1016/0010-4485(90)90093-R

中图分类号：

TP31 [计算机软件];

学科分类号：

081202 ; 0835 ;

摘要：

A method for automatically extracting the machining features from 3D CSG solid input is proposed. The method involves converting a part's CSG tree representation into its equivalent DSG tree representation and then identifying the types of machinable features from the DSG tree. A DSG tree is a special case of CSG tree in which all geometric operations are of 'difference' type. The method is proposed for recognizing prismatic part features and its outputs contain feature attributes and possible tooling entrance faces, etc. Computer simulation is provided to illustrate the proposed method. © 1990.

引用

页码：285 / 295

页数：11

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