零件库

• Then it presents the application situation of many important standards , and focuses on analyzing the mapping relationship between files . thus , it builds the method for reading and writing operations on the original library information data and realizes a series of information management work of the parts library data files , such as search , input and refreshment
  论文阐述了不同标准的应用环境，重点分析了文件间的映射关系，建立了对原有库信息数据的读写操作和相应的数据转换途径，并完善了零件库数据文件的查询、录入、更新等一系列信息的管理工作。
• Improve the parametric modelling function of the sustaining platform on the basis of the software ’ s function and further studying the realization method of standard parametric model . sort and summerize the standard parts of the draw die . add the management function for the standard part library
  2 )在研究标准零件参数化模型的实现方法基础上,结合系统软件的功能,改进了支撑平台的参数化建模功能,对拉延模设计过程中用的标准件进行分类、总结,实现了较为完善的标准零件库的管理功能。
• The content of the dissertation is computer aided transmission design based on unigraphics . the main contributions are included as follows : the first , the research of technology of parametric model and establishment of part library , the second , the study of the technology of automatic assembly , the third , the study of functions of unigraphics and approach of quadratics exploitation of ug . used this technology in transmission cad system , the fourth , the establishment of the parametric transmission cad system using technology of automatic assembly
  本课题主要工作包括以下几个方面：第一，研究分析参数化特征造型技术的理论，并且将此理论应用于零件库的建立，总结零件库的多种实现方法；第二，分析研究机械产品自动装配技术的实现；第三，研究分析ug软件的功能和对其进行二次开发的途径和技巧，以及该软件在变速器cad系统中的应用；第四，将参数化特征造型技术和自动装配技术的理论，结合ug软件的二次开发，应用于变速器cad系统中。
• In order to realize the function of this system , a virtual parts library was established with solidworks and three - dimensional parameterized modeling was realized at the same time based on the practical part prototypes , which have been used in mechanism kinematics scheme design experiments in the physical laboratory
  首先，以机构运动方案设计实验用到的实物零件为原型，用solidworks软件对各类零件进行了三维参数化造型，建立了一个虚拟零件库。然后，根据实现系统功能的需要编制了相应的程序模块。
• Vasm means concurrently design the virtual assembly feature model in the construction of numeral assembly modeling process , including the information of assembly part dimension , assembly hierarchic arrangement , assembly structure , assembly route interference etc . for get above information , we using vc program language , ug / open api interface to abstract & transfer the assembly model information , we also create a reconfigurable virtual assembly system part database to inquire & reconfigure the virtual assembly part
  虚拟装配系统建模就是指在参数化装配模型的建立中，并行虚拟的设计装配特征模型，包括装配零部件的几何特征信息模型、分层装配关系信息模型、装配结构信息模型和装配路径干涉信息模型等。为了获得上述信息，我们运用vc语言、 ug openapi接口实现对装配模型信息的提取和转化，并且建立了一个可重构的虚拟装配零件库，用于对虚拟装配零部件信息进行查询和对虚拟装配零部件进行重构。
• The above reconfigurable method is especially useful in large assembly : firstly , we can input all the standard series dimensions into the virtual assembly part database , then we inquire the corresponding series assembly part ' s appearance & specification and at last we input them to ug assembly , it ' s convenient for management & proved to be much practical
  上述可重构方法对于系列化的大装配尤其有用：我们可以在虚拟装配零件库中预先输入该系列所有标准化零件的尺寸规格，然后针对不同的装配只需查询库中相应的装配零部件的外形和规格等并调入到ug的装配中，方便管理。因而具有重要的现实意义。
• This dissertation explores the basic structure of parts library data dictionary and the implementation of its modeling technology , mainly about researches on the xml representation of express meta model . it realizes the exchange process from the existing parts library data files to the standard iso 13584 data files and shows it in a user - friendly interface
  本论文探索了零件库数据字典的基本结构，以及建模技术的实施方法，主要是由express元模型向xml表达转换的研究，实现了从已有零件库数据文件到标准iso13584的数据文件的转换并以友好的用户界面呈现。
• Under this condition , based on the concept of the part library in is013584 and the method of data transferring provided by step , this thesis constructs a system of open general part library and elucidates in detail the following three topics : organization of part resources , the storage schema of data of parts and data transferring between distinct cad systems , the part library management system based on web
  在这种情况下，基于iso13584提出的零件库的概念和step标准提供的中性文件交换机制，本文构建了一个开放式的广义零件库系统的体系结构，并从企业零件资源的组织、零件库数据的存放形式和数据转换、基于web的零件库管理系统的设计和开发三个方面阐述了建立零件库系统的具体方法。