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双语推荐：CATIA/CAA

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针对在CATIA中使用人工填加工装属性时效率低、易漏、易错等问题，提出了一种在工装设计中进行自动规范的方法。该方法基于CAA，以CATIA为平台，VisualC＋＋为编程工具，能够自动快速准确进行工装属性的填加。从而解决了以往从提取订货单信息到填加工装信息过程繁琐易错的难题。提高了工作效率，为工装设计部门对规范工装属性提供了帮助。
For the use of artificial fill in CATIA Machining mounted low efficiency properties, leaky, error-prone and other issues, tooling design proposes a method for automatic specification. The method is based CAA, to CATIA as a platform, Visual C++as the programming tool for fast and accurate tooling can automatical y fil attributes plus. Thus solves the orders from extracting information processing equipment to fill in the information process cumbersome and error-prone problem. Improve work efficiency, tooling design department of the specification attribute provides tooling to help.

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通过对覆盖件拉深模辅助零件进行分类,提出相应的特征分析与装配定位方法,结合CAA开发工具在CATIA平台实现标准件在拉深模中的智能装配。对定制类标准件在模具上的安装避空位与座台结构自动化设计技术进行了研究,在覆盖件拉深模CAD中,建立辅助标准件库,直接调用所需的标准件,可以有效地提高设计效率,取得了较好的效果。
The corresponding feature analysis and assembly locating method was put for-ward based on classification of auxiliary components of drawing dies for metal sheets; and the intelligent assembly of standard parts in drawing dies was realized on the CATIA plat-form via CAA development tools. Study was made on the installation of customized stan-dard parts in dies and automated structure design technology. In the CAD design of draw-ing dies for metal sheets, the auxiliary standard parts library is established and the re-quired parts can be directly invoked in which the design efficiency is improved.

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三维机加工艺规划设计是制造业信息化的重要组成部分,制造特征识别是其基础核心技术,是三维机加工艺规划设计的前提条件,其基础数据主要来源于产品三维模型底层的B-Rep(边界表示法)数据.针对汽车等行业常用的CATIA三维模型B-Rep信息提取的关键技术及难点,介绍如何深入应用CAA二次开发技术,提取零件的B-Rep信息并应用于三维机加工艺规划艺系统的特征识别技术,为三维机加工艺规划过程提供了基础依据.
Three-Dimensional machining process planning is the important part of the manufacturing industry informationization, of which manufacturing feature recognition is the core technology which is the prerequisites of machining process planning. Its data mainly comes from the basal B-Rep(Boundary Representation) information of three-dimensional model. This paper focuses on the pivotal technic and difficulty of B-Rep information’s extraction in CATIA which is commonly used in auto trade, describing how to apply CAA secondary development technology in depth, extract B-Rep information and use it to feature recognition technic of three-dimensional machining process planning system, providing a basis for machining process planning.

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在三维CAD领域,随着基于模型定义(Model Based Definition,MBD)技术应用的不断深入,MBD零件设计模型(基于MBD设计的三维零件模型)可作为三维机加工艺规划系统的单一数据源,为工艺规划过程设计提供完整的制造信息.制造特征识别是三维机加工艺规划系统的核心技术,是进行工艺规划活动的前提,其基础数据来源于MBD模型的几何信息和非几何信息(MBD数据).针对汽车、航天等领域广泛使用的CATIA三维模型MBD数据提取的关键技术和难点,介绍如何深入应用CATIA的CAA二次开发技术提取零件设计模型的MBD数据,并应用于三维机加工艺规划系统的制造特征识别中,为后续的工艺规划过程提供保证.
With the deepening of MBD(Model Based Definition) technology applications in the field of three-dimensional CAD, MBD Part Design Model(Three-Dimensional Part Model designed with definition of MBD) has been the only data source of the three-dimensional machining process planning and provides a complete manufacturing information for the design process in process planning. Manufacturing feature recognition is the core technology of Three-Dimensional machining process planning and the prerequisites of process planning activities. And its data mainly comes from the Geometric information and Non-geometric information(MBD Data)of MBD Part Model. This paper focuses on the pivotal technic and difficulty of MBD Data’s extraction of CATIA Three-Dimensional Model which is commonly used in auto and aviation field, describing how to apply CAA secondary development technology in depth, extracting MBD Data and useing it to feature recognition technic of three-dimensional machining process p

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目的：系统研究在已有参数化模板的基础上，利用与模板参数匹配的参数信息文件，通过适当的人机交互，快速地进行模具参数化设计。方法利用 CAA 技术在 CATIA 平台上，开发了基于模板的汽车覆盖件交互式模具设计系统，将模板化与参数化的思想相结合，达到了拉延模具设计全流程的标准化。结果系统提供了新产品型面导入、参数批量调整、标准件快速定位和模具结构设计检查等功能，将拉延模具的设计过程流程化。结论系统实现在已有模板基础上全流程完整的模具“再设计”方案，有效地减少了设计人员的重复性工作，提高了模具的设计速度。
Objective The System for automobile panel was developed based on the parametric die template, it was used to do parametric design through appropriate human-computer interactive operations. Methods The system was developed by CATIA platform with CAA technology, which combined the ideas of parameterization and template to instruct the whole process of drawing die design. Results The system provides the functions of 3D model replacing, batch editing parameters, standard parts re-position and die structure checking toachieve the whole process operated in a standard way. Conclusion This die design system achieve the goal that on the basis of an existing template model, effectively reducing the designer''s repetitive work and improving the speed of mold designing.

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在汽车概念设计阶段，基本上依靠参考车型和工程师设计经验对车身主断面设计进行评估。研究了车身主断面特性对车身性能的影响，建立了主断面参数化模型。采用CAA/C＋＋技术进行CATIA二次开发，实现汽车车身主断面参数测量工具设计开发。使用该工具能够仅根据CAD曲面数据，便快捷有效地测量出主断面的性能参数，无需CAE分析，缩短设计周期，提高了设计效率。并以六个车型的车身A柱的主断面为例，采用有限元Alair/Hypermesh和本工具进行主断面参数测量，结果基本一致，验证了该测量工具的实用性和准确性。
During the period of vehicle concept design, the evaluation of master section performance mostly depends on reference vehicle data and the experience of structure design engineers. In this paper, it studies the influence of master section parameters on the vehicle body performance and sets up parameterized model of master section. A Master Section Mea-sure Tool(MSMT)is developed based on CATIA/CAA, which improves design efficiency by measuring the master sec-tion parameters according to CAD surface data. As an example, six master sections of A pillar are respectively measured by MSMT and Altair/Hypermesh. The measure results of master section measure tool are the same as the Altair/Hypermesh’s, which approve the practicability and the veracity of this master section measure tools.

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为了解决飞机装配工装设计过程交互繁琐、效率低等问题,提出了一种基于装配件三维包围盒的型架骨架关联设计原理和算法。首先根据型架骨架的结构特点及其与装配件尺寸的关联性对骨架结构进行了分类;其次研究了骨架关联结构的设计原理并给出了相应的算法流程;最后以CATIA系统为平台在VC++开发环境下基于CAA开发和实现了该算法。通过实例测试验证了所建立的骨架关联设计技术是可行的。该技术可用于实现装配型架的结构及其尺寸随产品结构的修改而自适应更改,从而提高装配型架的设计效率和确保装配型架的设计质量。
To solve the complicated-interaction and low-efifciency problem in the aircraft assembly ifxture design process, an approach of the frame associated design based on assembly 3D bounding box is presented. Firstly, the classiifcation of frame structure is made according to its characteristics and the association with assembly size. Secondly, a research on associated frame design is made, and its principle and algorithm are presented. Finally, the algorithm is implemented in CATIA with the VC++envi-ronment and CAA. An example is given to validate the ap-proach. The approach can be applied to modify assembly ifxture automatically and adaptively with assembly model. Therefore the efifciency and quality of the assembly ifxture design can be improved.

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针对飞机工装橡胶压模设计步骤繁琐，效率低下等问题，在深入分析橡胶压模结构和归纳总结橡胶压模类型的基础上，总结已有的设计流程，并在三维CAD 平台CATIA 上，利用CAA 开发工具实现橡胶压模快速设计系统，实现了模具体的快速生成，模芯的快速装配。并应用于某大型航空企业的工装设计中，取得了良好的效果。
According to the shortcoming in efficiency and quality in the design for rubber compression mold, categories of the rubber compression molds are summarized on the basis of analysing their structures.With CAA,based on summing up the design cycle,a rapid design system for the rubber compression mold is developed.The system is used to accomplish the rapid design of mold body and rapid assemble of mold core and is applied to some large-scale aeronautic enterprise,and better results are achieved.

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