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feature modelling     
相关语句
  特征造型
     CAD system designs parts by the method of feature modelling.
     CAD模块用特征造型方法完成零件的设计,建立零件的特征模型。
短句来源
     Feature Modelling System for CAD/CAPP Integration
     特征造型系统与CAD/CAPP的集成
短句来源
     Research on the Applicatons of Feature Modelling in Die & Mould CAD/CAE/CAM
     特征造型在模具CAD/CAE/CAM中的应用研究
短句来源
     For CAD/CAPP/CAM, integrated technology is analysed and discussed , applies feature modelling technics in reality , and have elaborated operation course and the overall design scheme of CAD/CAPP/CAM integrated system in detail.
     对CAD/CAPP/CAM集成技术进行了分析和讨论,将特征造型技术方法应用于实际,并详细地阐述了 CAD/CAPP/CAM集成系统的总体设计方案及运行过程。
短句来源
     Helical Gear Feature Modelling Analysis Based on Pro/E Software
     基于Pro/E软件的斜齿轮特征造型方法辨析
短句来源
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  特征建模
     Feature modelling of parts for CAD/CAPP/CAM system
     CAD/CAPP/CAM 系统的零件特征建模
短句来源
     Approach and Application of CAD/CAPP Integrated System by Feature Modelling
     特征建模CAD/CAPP集成系统的研究与应用
短句来源
     Development and Application of Radar Microwave Module Design System Based on Feature Modelling
     基于特征建模的雷达微波模块设计系统的开发和应用
短句来源
     Based on some typical feeder parts, supported by CAD/CAM/CAE integrated software Pro/Engineer, a radar microwave module structure design system based on feature modelling technology is developed, and applied to radar's research and development.
     本文选择典型的馈线零部件为设计突破口,以CAD/CAM/CAE一体化软件Pro/ENGINEER为支撑软件,用特征建模技术开发了雷达微波模块结构设计系统,并用于产品开发。
短句来源
     FEATURE MODELLING AND ITS APPLICATIONS IN AN INTEGRATED CAD/CAM SYSTEM FOR GEAR BOX PART
     特征建模及其在箱体零件 CAD/CAM 集成系统中的应用
短句来源
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  特征构型
     Based on the drawing and forming process, the feature modelling technique for sheet metal parts is discussed and a product model with, feature lines as the core is proposed.
     本文基于板料件零件图及其成形工艺,探讨了板料件特征构型方法,提出了以特征线为核心的产品模型.
短句来源
  特征造型的
     Integrated CAD/CAPP/CAM System for GT Fixture Based on Feature Modelling
     基于特征造型的成组夹具CAD/CAPP/CAM集成系统
短句来源
     The CAD/CAPP system design based on concurrent enginneering principle and feature modelling for box parts
     基于并行工程及特征造型的箱体类零件 CAD/CAPP 系统设计
短句来源
     This paper introduces the conception and classification of mechanical element feature and feature modelling method,describes the process of feature modelling by use of Pro/E software.
     介绍了机械零件特征的概念、分类及特征造型方式,阐述了采用Pro/E软件进行特征造型的一般过程。
短句来源
     Design and Research of Architecture Rendering Based on Parametric Feature Modelling
     基于参数化特征造型的建筑造型设计研究
短句来源
     he relation between D / T(dimension & tolerance)model and f eature, geometry & topology model,composite of D / T model,its representation with"OO" method and action in representation of part and parametric feature modelling are discussed. An instance of D / T model is also given on HP9000 / 425t work-station.
     从产品的集成信息模型和参数化特征造型的角度论述了尺寸公差模型与特征及几何拓扑模型的关系、尺寸公差模型的构成及采用“OO”方法的表示和它在零件表示及参数化建模中的作用,并给出了在HP9000/425t工作站上实际例子。
短句来源
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      feature modelling
    Feature modelling for a sculptured object consists of two basic elements: features and modelling operations.
          
    The objective of this paper is to extend feature modelling coverage to include sculptured objects, so that feature technology is beneficial to modelling this class of objects.
          
    There are numerous discussions concerning feature modelling.
          
    Product Agent Concept Based on Feature Modelling and JavaCard Implementation
          
    Unlike current modelling systems, multiple-view feature modelling can adequately support this, by providing an own view on a product for each phase.
          
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    This paper discusses three aspects of CAD/CAM of aircraft structural components: (1) feature modelling (2) graphics NC programming (3) schema of machined unit and automatic recognition. For convenience, previous research will be separately and briefly reviewed and then new contributions of this paper will be explained. 3D model of aircraft structural component must be constructed before NC programming can start. Current modelling methods[1-3] appear to be unsuccessful because the geometry of aircraft...

    This paper discusses three aspects of CAD/CAM of aircraft structural components: (1) feature modelling (2) graphics NC programming (3) schema of machined unit and automatic recognition. For convenience, previous research will be separately and briefly reviewed and then new contributions of this paper will be explained. 3D model of aircraft structural component must be constructed before NC programming can start. Current modelling methods[1-3] appear to be unsuccessful because the geometry of aircraft structural component is too complicated. The present paper improves the plane-constraining method of the 1st author [12] and the result, feature modelling, is believed to succeed where references [1-3] fail. Feature modelling can be essentially summed up as follows: keeping geometrical details in mind, we define a set of halfspace planes, which are used to construct the 3D model. References[4-6] discuss two kinds of NC programming methods after 3D model for non-aircraft structural component was constructed, but they do not consider process planning; as a result, the degree of automation is relatively low. The intelligent graphics NC programming method presented in this paper integrates NC programming with process planning and thus attains a relatively high degree of automation. In references [8-9], machined unit can be abstracted from 3D model and contains only geometric information, so it is not useful in process planning. The machined unit employed in this paper contains not only geometric information but also processing information, making it possible to achieve integration of 3D model, NC programming, and process planning. In this paper are given details about schema of machined unit and about rules for automatic recognition.

    本文对结构件构形与图象编程智能化作了一些研究。在构形方面提出以平面约束法作为结构件特征造型的实现手段,在数控编程方面提出以加工单元实现为总目标,并将总目标的实现归结为寻求八个子目标的解。在这个智能化系统中,知识模型用概念空间来表示,在概念空间中,推理是概念之间的一种联想,根据概念的抽象度不同,联想可分为纵向、横向、回溯三种方式。文中侧重讨论了自动产生加工单元模式这个子目标。

    The greatest difficulty to realize CAD/CAPP integrated system is to link CAD with CAPP, of which the key is CAD. To solve this problem, this investigation provides a CAD model which is established by the method of feature modelling, and deals with the description method of parts in the model, the modelling method of basic geometrics, database Construction and its application in the HTD-CAD/CAPP integrated system. On this basis, this paper introduces further how the CAPP Subsystem automatically generates...

    The greatest difficulty to realize CAD/CAPP integrated system is to link CAD with CAPP, of which the key is CAD. To solve this problem, this investigation provides a CAD model which is established by the method of feature modelling, and deals with the description method of parts in the model, the modelling method of basic geometrics, database Construction and its application in the HTD-CAD/CAPP integrated system. On this basis, this paper introduces further how the CAPP Subsystem automatically generates the process planning through the design informations of Parts.

    实现CAD/CAPP集成所面临的最大难题是CAD与CAPP的连接,关键是CAD。为此本文提出了一种特征建模的CAD模型,并论述了在该模型下的零件描述方法、基本几何体的造型方法、数据库的结构及其在HTD—CAD/CAPP集成系统中的应用。在此基础上,进一步叙述了CAPP子系统如何利用零件的设计信息来进行工艺过程的自动化设计。

    A CAD/CAM system for multi-stage progressive dies for color TV parts has been developed. The system is to be implemented on a Micro VAX II workstation and consists of five modules, namely, feature modelling, strip layout, constructional design of die and NC programming. Feature modelling represents the features of the parts to be stamped in an all-round way, including the shape feature, accuracy feature and material feature. The strip layout module is used to accomplish progressive...

    A CAD/CAM system for multi-stage progressive dies for color TV parts has been developed. The system is to be implemented on a Micro VAX II workstation and consists of five modules, namely, feature modelling, strip layout, constructional design of die and NC programming. Feature modelling represents the features of the parts to be stamped in an all-round way, including the shape feature, accuracy feature and material feature. The strip layout module is used to accomplish progressive stamping process planning, which is composed of punching, blanking, bending, drawing and local forming. The constructional design of die is to be carried out in an interactive mode, with a menu system, function selection and die design can be easily performed.

    本文为建立彩电零件多工位级进模CAD/CAM系统,研究开发了板料零件的特征构型、条料排样、模具结构设计和NC编程软件.本文阐述了该系统的功能、结构、运行流程和实现方法.

     
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