基于VR的三维数控加工环境及其关键技术研究

Research of VR-based 3D NC Machining Environment and Key Technology

在研究虚拟制造技术的基础上,提出了基于VR的虚拟数控加工环境,设计出面向通用化的NC代码翻译器。阐述了虚拟加工环境的工作流程、基于层次关系的虚拟加工框架技术、NC代码翻译器的设计方法、基于毛坯表面模型的三角片构建算法等关键技术。该系统能够实时地反映零件虚拟模型的加工成形过程,并进行可加工性分析。

Based on the research of virtual manufacturing technology, a VR-based virtual machining environment was proposed and a general NC code translator was worked out. Special attention was given to the following aspects： work flow of virtual machining environment, frame technique of virtual machining based on its hierarchical relationship, design process of general NC code translator, triangular faceted algorithm based on work-piece model The system of virtual manufacturing environment can realize the machining process of work-piece in real time and to analyze the machinability of virtual part.