Tolerance-based Assembly Performance Analysis in the Digital Pre-assembly System

机译：数字预组装系统中基于公差的组装性能分析

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One of main contents of assembly performance analysis is tolerance analysis. The process of concurrent tolerance design of the digital pre-assembly system is expounded. The model of part size tolerance and assembly fit tolerance is proposed. Part size information and fit relationship information of the assembly is described by using the constraint relationship figure. Based on the size tolerance model and the constraint relationship figure, assembly dimension chain is generated by a series of reasoning. After introducing the process of tolerance synthesis in brief, the method of tolerance analysis is discussed by using extreme value theory and probability theory. And taking the radial fit of hole-axis for example, the assembly tolerance is analyzed by using the extreme value theory. The amending opinion of the design tolerance is proposed to solve the illogicality problem in analyzing fit tolerance. And the flow chart of assembly performance analysis is created based on the fit tolerance.

机译：装配性能分析的主要内容之一是公差分析。阐述了数字预组装系统同时公差设计的过程。提出了零件尺寸公差和装配配合公差模型。使用约束关系图描述装配体的零件尺寸信息和装配关系信息。基于尺寸公差模型和约束关系图，通过一系列推理生成装配尺寸链。在简要介绍了公差综合过程之后，运用极值理论和概率理论讨论了公差分析的方法。以孔轴的径向配合为例，运用极值理论分析了装配公差。提出了设计公差修正意见，以解决设计公差分析中的不合理性问题。根据装配公差创建装配性能分析流程图。

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来源
《International Conference on Mechanical Engineering and Mechanics vol.2; 20051026-28; Nanjing(CN)》|2005年|P.1364-1368|共5页
会议地点 Nanjing(CN)
作者
Guohong DAI; Youliang ZHANG; Xiaoyi WANG; Xianghua ZHANG;
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作者单位

School of Mechanical Engineering of Nanjing University of Science Technology, Nanjing 210094, China;

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会议组织
原文格式 PDF
正文语种 eng
中图分类机械设计、计算与制图;
关键词
digital pre-assembly; tolerance design; tolerance synthesis; tolerance analysis;

机译：数字预装配公差设计公差综合公差分析;

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Tolerance-based Assembly Performance Analysis in the Digital Pre-assembly System

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