The main objective of virtual machining process is to predict and improve machining accuracy.
虚拟加工的主要任务是预测和改进被加工件的加工精度。
Kinematics simulation modeling of NC machine tool is a key technology for the realization of virtual machining.
数控机床的运动学建模是实现数控机床虚拟加工的一个底层关键技术。
The research provides the theoretical basis for design, build and implement of virtual machining system for DCWR.
研究对楔横轧模具虚拟加工系统的设计、建立和实现提供了一定的理论依据。
The purpose of this system is to implement virtual machining and to optimize the process planning, forecast and measure processing quality.
这个系统能够完成虚拟加工，实现优化加工工艺、预报和检测加工质量的目标。
The machining environment of virtual machine tool was researched, the whole virtual machining environment and the database of the resources were established.
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。
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.
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。
Virtual manipulation and virtual machining technology of machining equipment under virtual environment are the important research topics of virtual manufacturing.
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。
In the course of building virtual machining environment, key technologies include data structure of 3d solid and gradual molding algorithm in machining simulation.
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。
This paper analyzes the application status of virtual machining technology, then puts forward the framework of a generative process planning (GPP) machining system.
文章分析了虚拟加工制造技术的现状，提出创成式机加工工艺系统的理论框架。
In this paper, the traditional and virtual machining approaches of DCWR are compared first. Then, the framework of virtual machining system (VMS) of DCWR is discussed.
首先比较了传统的和虚拟的楔横轧模具加工方法，并提出了楔横轧模具虚拟加工系统VMS的体系结构。
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.
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。
Simulation is made on the machining by making use of the virtual manufacturing technology, and the optimized numerical control machining procedures are given.
本文论述了解决一种复杂型面的数控加工的关键技术，并利用虚拟制造技术对加工进行仿真，给出了优化的数控加工程序。
A test system of precision machining based on virtual instrument is introduced. The theory of this test system and realization of hardware and software are discussed.
文章提出了一种基于虚拟仪器技术的精密加工测试系统，并讨论了这种测试系统的原理以及硬件和软件的实现。
The actual machining and assembling process shows the rationality of the virtual design.
该导向工具的实际加工和装配过程，也表明这种虚拟设计的合理性。
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.
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。
Synthesizing the errors given in the three coordinate systems in a proper way, the virtual parts containing errors are built up, which lays the foundation for machining accuracy prediction.
通过引入三个坐标系的误差及其映射关系，从而得到含有误差的虚拟工件，为加工精度预测奠定了基础。
This tendency leads to a virtual shop floor that consists of several machining centers that are dispersed on a shop floor.
这种趋势导致虚拟车间的出现，虚拟车间包括一些分布在车间中的加工中心。
Virtual restraint in planar mechanism brings about many problems to machining and mechanism movement analysis.
平面机构中虚约束的存在，给制造加工和机构运动分析带来了诸多不便。
The method can fast turn virtual boring milling machining center into a real efficient tool applied to analyzing and research machining process.
提出了虚拟镗铣加工中心具体化的方法和步骤；
The prediction of machining quality is an important sign, which can make virtual manufacturing actual utility.
加工质量预测是虚拟制造实用化的重要标志之一。
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.
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 models of machining processes are developed in virtual numerical control, the models can demonstrate real-time and interactively the material removal processes of blank an...
开发了虚拟数控加工过程仿真模型，此模型可实时、交互地显示毛坯的材料去除过程和切屑的生成、卷曲及折断过程。
Meanwhile it certificates that under the environment of virtual manufacturing, the period during which the machining center checks the NC programs is greatly shortened.
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。
Large deformation theory and virtual work principle were applied to analyses high - speed machining process, the finite element governing equation was approached based on Lagrangian description.
依据大变形理论和虚功原理对高速切削过程进行分析，建立了基于拉格朗日描述的有限元控制方程并采用二维有限元模型进行模拟。
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.
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。
Virtual Flexible Machining Cell (VFMC) is the kernel of Virtual Manufacturing System.
虚拟柔性加工单元是虚拟制造系统研究的核心。
Virtual Flexible Machining Cell (VFMC) is the kernel of Virtual Manufacturing System.
虚拟柔性加工单元是虚拟制造系统研究的核心。
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