A Method of Rational Inspection of Geometric Tolerance on 3D Part Model

WANG Qiusen; ZHENG Guolei

doi:10.16080/j.issn1671-833x.2018.18.088

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A Method of Rational Inspection of Geometric Tolerance on 3D Part Model

更新时间：2025-10-30

- A Method of Rational Inspection of Geometric Tolerance on 3D Part Model
- Aeronautical Manufacturing Technology Vol. 61, Issue 18, Pages: 88-93(2018)
- 作者机构：
  
  北京航空航天大学机械工程及自动化学院,北京,100191
- 作者简介：
- 基金信息：
- DOI：10.16080/j.issn1671-833x.2018.18.088
  CLC：
- Published：2018
- 稿件说明：
移动端阅览
王秋森, 郑国磊. 三维零件模型几何公差标注合理性检查方法[J]. 航空制造技术, 2018, 61(18): 88-93.

WANG Qiusen, ZHENG Guolei. A Method of Rational Inspection of Geometric Tolerance on 3D Part Model. Aeronautical Manufacturing Technology, 2018, 61(18): 88-93.
王秋森, 郑国磊. 三维零件模型几何公差标注合理性检查方法[J]. 航空制造技术, 2018, 61(18): 88-93. DOI： 10.16080/j.issn1671-833x.2018.18.088.

WANG Qiusen, ZHENG Guolei. A Method of Rational Inspection of Geometric Tolerance on 3D Part Model. Aeronautical Manufacturing Technology, 2018, 61(18): 88-93. DOI： 10.16080/j.issn1671-833x.2018.18.088.

摘要

三维模型标注技术对产品唯一数据源进行定义，包含产品的所有技术信息，以代替二维图样实现无纸化设计。针对模型标注检查效率低及工作量大等实际问题

首先对模型标注的合理性原则进行阐述并归纳模型常见的标注问题；其次对标注问题进行分析，提出标素模型并对标注检查准则进行总结，在此基础上建立基准与几何公差标素模型，根据检查准则对标注逐项检查，并判断同一几何元素上公差值关系是否合理。最后，基于CATIA 平台开发了几何公差标注自动检查功能，提高了标注检查效率。

Abstract

The sole data source of product is defined by 3D annotating technology

which contains all technical information of product and is a substitute for 2D drawing. Firstly

to solve the problems such as low efficiency and heavy workload of annotation inspection

the rationality of annotation is expounded and the common annotation issues are concluded. Secondly

after analyzing common annotation problems

an annotation element model (AEM) is proposed and the rules of annotation inspection are summarized

then establishing the datum and geometric element of AEM

whereas the annotations are checked term by term according to the criterions

and the reasonability of the relationships between the tolerance values on the same geometric element is measured consequently. Finally

based on CATIA system

automatic inspection function of geometric tolerance annotation is developed

which improves the annotation inspection efficiency.

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