The virtual assembly environment is established based on three-dimensional CAD system.
虚拟装配环境采用基于三维CAD系统构建。
In this paper, a freehand sketch-based three-dimensional CAD system is studied and implemented.
该文研究并实现了一种新型的基于笔的手绘草图三维CAD系统。
Clashes matrix can be obtained from the three-dimensional CAD system, and dealed with properly in order to reduce the search space and find optimal assembly sequence faster.
干涉矩阵可从三维CAD系统中得到，为减少搜索空间和更快得到能满足装配工艺性的最佳装配序列，可结合装配工艺性和装配的特点对干涉矩阵适当进行处理。
The two-dimension CAD and its software of low layer are being used to draw is very popular, but the three-dimensional CAD system of independent development is still immature in domestic.
国内在将二维CAD及其软件用于低层次的绘图很普及，但自主开发的三维CAD系统还未成熟。
In this dissertation, networked information releasing technology was applied to part design in CAD system, brought forward a new three dimensional modeling method by networked parameter drive.
本文将网络化信息发布技术应用于CAD系统的零件设计，提出了通过网络化参数驱动建立三维模型的新方法。
The general framework and prototype system for synthetic design of dimensional and geometric tolerance based on three- dimensional CAD system are established.
给出了基于三维CAD系统的计算机辅助尺寸公差和形位公差综合设计的总体框架和原型系统。
This paper undertakes research on the realization of three-dimensional parameterized CAD system of complicated grinding-wheel-rack parts.
本文就复杂的磨床砂轮架零件的三维参数化CAD系统实现进行研究。
CAD system for three dimensional electrode of turbo blade mould part is developed in this paper.
开发了一个针对涡轮叶片模具活块的电极零件的CAD系统。
It also lay a strong foundation for realizing standardized tests of the three-dimensional CAD with networking, automatic and paperless, and its automatic evaluating system.
为实现网络化、自动化、无纸化三维CAD标准化测试及其自动评判系统开发奠定了重要的基础。
The typical casting process CAD system work process is: 1) receive the user to casting drawings, in engineering drawings can be to make their own way received three dimensional shape;
典型的铸造工艺CAD系统工作过程是：1）接收用户送给的铸件图纸，在以工程图方式接收时可自行进行三维造型；
The typical casting process CAD system work process is: 1) receive the user to casting drawings, in engineering drawings can be to make their own way received three dimensional shape;
典型的铸造工艺CAD系统工作过程是：1）接收用户送给的铸件图纸，在以工程图方式接收时可自行进行三维造型；
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