查询词典 CAD

This topic researches on the make-up and modular function of the CAD system of Cam Mechanism based on VB and the realization of the software system.

为了提高设计效率和设计精度，基于模块化程序设计方法，采用可视化的面向对象的编程语言VB6.0为开发工具开发了凸轮机构CAD系统。

The application of surface demoldability and moldability to side-core design in die and mold CAD M.W. Fu Upon completion of undercut feature recognition, the parting directions can be determined.

应用表面demoldability和流动性副作用的核心设计在模具和模具CAD 米瓦特富完成后，削弱了特征识别，临别方向，才能确定。

From the point of vertical interconnect via, the matrix pencil moment method, FDTD, edge-element FEM, microwave network model method and CAD model method of vertical via interconnect were introduced. The analysis of these methods shows their advantages and shortcomings.

从垂直互连通孔入手，介绍了垂直通孔互连的矩阵束矩量法、时域有限差分法、边基有限元法以及微波网络模型法和CAD模型法，分析了这些方法已经取得的结果，并指出了这些方法的优缺点。

Besides, traditional application of computer in product quality management, guarantee and control have been limited to monomial detection and quality control, which were hard to form a complete quality system, and integrate with CAD/CAPP/CAM system.

与此同时，长期以来计算机技术在产品的质量管理、保证和控制中的应用仅限于单项检测技术和质量控制技术，即没有形成一个完整的质量系统，又不能与CAD/CAPP/CAM系统进行信息集成。

The investigation of automatic and intelligent technology and method is significant to improve the level of mould CAD engineering and the mold design qualities and efficiencies.

研究成型零件的自动化、智能化生成技术与方法，对提高模具CAD技术水平及模具设计的质量与效率具有重要意义。

This paper is designed Pull rod injection mould , discussed the basal principle injection mould, especially Double-surface injection mold design , Have introduced the molding handicraft injecting a mould detailedly、equipment Selection、 feed system、Pulling mechanism and molding part design process, As well as demanded an explanation for mold manufacturing technology, Finally draw out the mould picture by CAD software.

本模具毕业设计主要是设计塑料拔杆的注射模具，论述了注射成型的基本原理，主要是了解模具结构中最基本的两板模的设计，熟悉和掌握模具设计的过程，加深对塑料模具的结构和成型过程的认识。详细介绍了注射模具的成型工艺及设备选择、浇注系统、抽芯机构和成型零部件的设计过程，并对模具制造工艺要求做了说明，最后通过CAD软件绘制出模具图。

This method undertakes comparative getting the area between the spare parts to equation of geometry of the face in model of CAD of different spare parts above all - surface contact relation and type, use amount coming back theory general face - the face expresses to be helix; relative to instantaneous motion next, the helix that goes up to many surface contact undertakes making operation,; of helix of the motion when making the opposite very short time between the spare parts is final, according to the spare parts abut concern plan and abut spare parts move relatively helix, undertook an analysis to assembling instantaneous of whole of the spare parts in the model to concern with drive movably, give out not between the method of calculation of helix of opposite instantaneous motion between photograph adjacent spare parts and them but the judgement method of drive sex.

该方法首先对不同零件CAD模型中面几何方程进行比较得到零件之间的面-面接触关系和类型，并应用旋量理论将面-面相对瞬时运动表示为螺旋；然后，对多个面接触上的螺旋进行交运算，生成零件之间的相对瞬时运动螺旋；最后，根据零件邻接关系图和邻接零件相对运动螺旋，对装配模型中零件整体瞬时可动性和驱动关系进行了分析，给出不相邻零件之间的相对瞬时运动螺旋计算方法和它们之间可驱动性的判定方法。

In conclusion,it turn out that the CAD package could design filter and multiplexer effectivly and accuratly.

实验结果表明，采用本论文的分析和综合方法所编的CAD软件包能准确、快捷地根据设计要求完成滤波器和多工器设计。

I have advanced the NC Secretary of equipment and CAD computer equipment.

我司拥有先进的数控设备和CAD电脑装备。

Cases (n = 869) were persons who deeloped fatal or nonfatal CAD.

病例组为患致死性与非致死性的869例CAD患者。

I didn't watch TV last night, because it .

昨晚我没有看电视，因为电视机坏了。

Since this year, in a lot of villages of Beijing, TV of elevator liquid crystal was removed.

今年以来，在北京的很多小区里，电梯液晶电视被撤了下来。