中国机械工程2013，Vol.24Issue(13)：1728-1733,6.DOI:10.3969/j.issn.1004-132X.2013.13.006
基于环分析的飞机结构件槽特征腹板精加工区域自动创建方法
Loop—Analysis—Based Automatic Creation Method for Bottom Finish Machining Region of Pocket Feature in Aircraft Structural Parts
摘要
Abstract
A loop—analysis—based method was proposed to address the problem concerning the variety of curve—clipping types,the complexity of accepting or deserting the clipped curves and the error—prone characteristics of creating bottom finishing region of pocket feature in aircraft structural parts.In this method,the boundary of exterior loop of the generalized sides and generalized bottoms of the part were projected to the bottom.Then these curves were discretized to a set of lines.After that,the lines were tailored with the calculation of all the intersections.Ultimately,using the line—rotating method to analyze the loop and the optimized bottom finish machining region was obtained.This method can improve the efficiency of NC programming for bottom finish machining effectively,and bottom finish machining region of all kinds of pocket feature can be created using this method.Based on the above research,a feature—based bottom NC programming system was developed,which is applied in a large aviation manufacturing enterprise successfully.关键词
环/飞机结构件/槽特征/腹板/加工区域Key words
loop / aircraft structural part / pocket feature / bottom / machining region分类
信息技术与安全科学引用本文复制引用
张石磊,李迎光,刘长青,刘旭..基于环分析的飞机结构件槽特征腹板精加工区域自动创建方法[J].中国机械工程,2013,24(13):1728-1733,6.基金项目
国家科技重大专项(2012ZX04010041) （2012ZX04010041）
