对虚拟加工环境中变速箱体生产线三维动态模拟图形设计进行了研究。
Dynamic three-dimensional shape simulated has been studied for the gearbox production line in the virtual machinery environment.
同时验证了在虚拟加工环境下，加工中心对数控程序的验证时间大大缩短。
Meanwhile it certificates that under the environment of virtual manufacturing, the period during which the machining center checks the NC programs is greatly shortened.
在虚拟加工环境的建造过程中，关键技术是三维实体的数据结构和加工仿真的逐步成型算法。
In the course of building virtual machining environment, key technologies include data structure of 3d solid and gradual molding algorithm in machining simulation.
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。
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.
针对箱体类零件加工环境建立虚拟生产加工系统体系结构，该体系结构包括基础核心层、制造系统层、界面层的三层结构。
A system structure for virtual machining system is built according to the machining environment of box type parts with the basic core layer, manufacturing system layer and interfacial layer included.
实验证明，此算法有效地提高了碰撞检测的速度，保证了虚拟动态加工环境中碰撞检测的实时性。
The experiments illustrate that the algorithm accelerates the velocity of collision detection and ensures the real-time requirement of collision detection in virtual dynamic machining environment.
虚拟环境下加工设备虚拟操作和虚拟加工是虚拟制造的一个重要研究内容。
Virtual manipulation and virtual machining technology of machining equipment under virtual environment are the important research topics of virtual manufacturing.
虚拟制造是在数字化制造资源构成的虚拟环境中，在过程模型的驱动下，设备模型对产品模型进行的加工过程仿真。
Virtual manufacturing(VM) is model driven production process simulation in the virtual environment. The digital resource models are important components in the environment.
对虚拟车削加工环境进行了深入探讨与研究，建立了虚拟车削环境整体框架，并对所有的资源建立数据库进行存取。
The machining environment of virtual machine tool was researched, the whole virtual machining environment and the database of the resources were established.
实验证明，上述算法提高了三维虚拟环境和虚拟加工过程的真实感和实时性。
It has been illustrated by experiment result that the methods can improve the sense of reality and real-time of 3d virtual environment and simulated machining process.
该虚拟环境主要包括仿真环境的建立和加工过程的建立两部分，其中仿真环境的建立包括加工中心的建模和零件的建模。
The simulation and machining process were built up in the virtual manufacturing environment. Models of machining center and part were produced in the simulation environment.
提出了动态八叉树结构和相应的自相似裂变递归算法，实现了虚拟环境下的可加工工件动态建模。
A dynamic 8-tree structure and a relative self-similar recursion algorithm are presented to model a dynamic workpiece object, which is machinable.
提出了动态八叉树结构和相应的自相似裂变递归算法，实现了虚拟环境下的可加工工件动态建模。
A dynamic 8-tree structure and a relative self-similar recursion algorithm are presented to model a dynamic workpiece object, which is machinable.
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