摘要
通过对新版DXF文件结构及2维零件几何结构特征的分析,研究了从DXF文件的获取2维零件图形数据的方法; 采用封闭环及树形线性表, 提出了一种存储复杂2维零件几何特征的数据结构,可从复杂的DXF文件中识别分离2维机构特征;依据2维板材切割加工的工艺特点,给出了2维结构件切割下料的数控前后置处理与实现方法。本文方法对于各种类型的切割下料及其辅助工艺有参考价值。
An investigation on the method of reading structure data of sheet parts from DXF file isperformed through a deep analysis on the geometric traits of sheet parts and structurefeature of newly-published DXF file; using close loops and linear-tree-tables, a datastructure available for recognizing and separating sheet features is constructed to savegeometric data of complex sheet parts; approaches to pre-process and post-process ofNC machining the read parts are also illustrated according to the process feature ofsheet parts. The methods in this paper are worthy of sheet metal cutting and relatedprocesses.
出处
《制造业自动化》
2003年第6期34-36,39,共4页
Manufacturing Automation
基金
国防科技大学机电工程与自动化学院博士基金项目(KDBSJJ3-0302001)
