A CAD Model for Tolerance Analysis of non-rigid Planar parts assemblies

被引：10

作者：

Korbi, Anis ^{[1
]}

Tlija, Mehdi ^{[1
]}

Louhichi, Borhen ^{[2
]}

BenAmara, Abdelmajid ^{[1
]}

机构：

[1] Univ Monastir, Natl Engn Sch Monastir LGM ENIM, Mech Engn Lab, Monastir 5019, Tunisia

[2] Univ Sousse, Natl Engn Sch Sousse LMS ENISo, Mech Lab Sousse, Sousse 4054, Tunisia

来源：

28TH CIRP DESIGN CONFERENCE 2018 | 2018年 / 70卷

关键词：

CAD; GD&T; Realistic Mating; Non-Rigid Component; Tolerance Analysis;

D O I：

10.1016/j.procir.2018.03.291

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Currently, the tolerancing integration in CAD model is among the major interests of most mechanical manufacturers. Several studies and researches have been established to consider the geometrical and dimensional tolerances on the CAD modelers. However, the hypothesis of rigid parts is adopted in the digital mock-up. Thus, several physical factors are neglected; especially the deformations. In this regard, this paper presents a model for considering both tolerances and deformations in CAD model. The dimensional and geometrical tolerances are taken into account by the determination of assemblies configurations with defects basing on the worst case tolerancing. The Finite Elements (FE) computations are realized with realistic models. A method for modeling the realistic mating constraints, between rigid and non-rigid parts, is developed. The case study of an assembly with planar joint is presented. (C) 2018 The Authors. Published by Elsevier B.V.

引用

页码：126 / 131

页数：6

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