DIRECT DIMENSIONAL NC VERIFICATION

被引：53

作者：

OLIVER, JH ^{[1
]}

GOODMAN, ED ^{[1
]}

机构：

[1] MICHIGAN STATE UNIV, CASE CTR COMP AIDED ENGN & MFG, E LANSING, MI 48824 USA

来源：

COMPUTER-AIDED DESIGN | 1990年 / 22卷 / 01期

关键词：

computer-aided manufacture; NC milling; verification;

D O I：

10.1016/0010-4485(90)90023-6

中图分类号：

TP31 [计算机软件];

学科分类号：

081202 ; 0835 ;

摘要：

A technique for automatic verification of three-axis numerically controlled (NC) milling programs is presented. Other methods proposed for NC verification rely on application of solid modelling technology. However, direct techniques suffer from heavy computational cost; and view-based techniques, while very efficient for simulation, are not capable of accurate dimensional NC verification. This article presents a unique approach to the problem based on direct comparison of the NC tool path program with a model of the desired part. An algorithm is presented that provides complete dimensional NC verification at a computational cost significantly less than direct solid modelling approaches. A software implementation of this algorithm produces graphical output depicting the desired part as shaded surfaces with out-of-tolerance areas highlighted. Several applications are presented that demonstrate verification of actual NC programs. © 1990.

引用

页码：3 / 10

页数：8