Assembly Data Modeling and Organization Based on SSPD and Polychromatic Sets

Abstract

Abstract: To solve the problems of dispersed data sources, serious redundant and template changing errors during aero-engine assembly, a task-driven assembly bill of materiel(BOM) was established based on SSPD, and a four-layer data management framework of “draft-template-instance-serialized instance” and public information pool were given; then, depending on the demands for role data organization, an assembly data organization network model was built with polychromatic sets theory to mathematical description, and the flow of assembly data organization was given. An enterprise application proves the efficiency of this method to reduce data redundancy and improve the effectiveness of data organization.

Key words: aero-engine, assembly, single source of product data(SSPD), polychromatic set, data modeling

摘要： 为解决航空发动机装配过程中的数据来源分散、冗余严重和模板更改出错的问题，首先基于单一产品数据源建立了任务驱动的装配BOM，给出了基于“草稿-模板-实例-序列化实例”4层递进结构和公用信息池的数据管理框架；然后根据装配流程中不同角色对数据组织的需求，建立了装配数据组织网络模型，用多色集理论来对模型进行数学描述，给出了装配数据组织的流程。在某企业的应用结果表明，该方法可降低数据冗余，提高数据组织效率。

关键词: 航空发动机, 装配, 单一产品数据源, 多色集, 数据建模

CLC Number:

TP391
TH16

LI Lianhui1,2;SUN Hongxia1;LI Hongmei1;ZHANG Qinwei1;GAO Yang1;LEI Ting1;YUAN Ying2. Assembly Data Modeling and Organization Based on SSPD and Polychromatic Sets[J]. China Mechanical Engineering.

李联辉1,2;孙红霞1;李红梅1;张秦玮1;高阳1;雷婷1;袁颖2. 基于单一产品数据源和多色集的装配数据建模与组织[J]. 中国机械工程.

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