基于知识的网络化工艺规划系统CAPP系统.doc
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1、 摘 要随着网络化技术的飞速发展,以及制造企业的管理以及技术水平的提高,企业对CAPP提出了更高的要求。现在国际上,CAPP朝着网络化、集成化、智能化的趋势发展,敏捷制造、并行工程等研究方向正是研究热点。本篇论文以863项目为研究背景,讨论了网络化、集成化的工艺规划系统的体系结构以及实现的关键技术。研究的主要内容包括:1 通过对现有CAPP系统的应用情况以及企业网络化状况的分析,对于基于知识的网络化工艺规划系统的功能和体系结构作了详细的介绍。2 研究了零件信息建模的方法。在对现行的零件信息建模方法进行比较,结合项目的实际情况,在现有理论的基础上提出了比较实用的零件信息建模方法。3 提出基于动态
2、资源配置的多企业间的产品工艺分工的解决方案。研究了基于知识的零件逻辑加工路线的设计,逻辑制造单元和物理制造单元的映射方式。这为将来解决更为复杂的工艺问题提供了思路上参考。4 研究在Internet环境下,如何在企业内部实现各个单元技术之间的信息集成。介绍了应用XML进行信息集成的实现机理。关键词:CAPP,基于知识的网络化工艺规划系统,逻辑加工路线,逻辑制造单元,物理制造单元,信息集成,XML61ABSTRACTAs the manufacturing enterprises management and technology develop rapidly, as well as the n
3、etwork technology, higher requirements for CAPP have been put forward. CAPP research focuses on Agile Manufacturing and Concurrent Engineering and other fields. CAPP develops towards the trend of network、integration and intelligentization. Under the support of a 863 project, this paper introduces th
4、e key technology of the networked integrated process planning system and its framework. Main points of the paper include:1. Through the analysis of current situation, the function and the framework of the knowledge-based networked process planning system are given in details.2. The method of the par
5、t information modeling is studied. After referring current part information modeling methods and taking the actual situation of the project into account, a practical part information modeling method is presented.3. Solution for multi-enterprise part process allocation, based on dynamical resource, i
6、s presented. Knowledge-based part logical manufacturing process design, as well as the matching method between the logical manufacturing unit and physical manufacturing unit. are given, which provide references for the more complicated process questions .4. Internet-based information integration, be
7、tween CAPP and other systems in the enterprises, is studied in this paper, as well as the realization of information integration via XML.Key words: CAPP, Knowledge-based Networked Integrated Process Planning System, Logical Manufacturing Process, Logical Manufacturing Unit, Physical Manufacturing Un
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