Clearance vs. tolerance for mobile overconstrained mechanisms

被引：6
|
作者：
Rameau, Jean-Francois [1 ,2 ]
Serre, Philippe [2 ]
Moinet, Mireille [2 ]
机构：
[1] Dassault Syst, 10 Rue Marcel Dassault, F-78140 Velizy Villacoublay, France
[2] Supmeca, EA7393, QUARTZ, 3 Rue Fernand Hainaut, F-93407 St Ouen, France
来源：
MECHANISM AND MACHINE THEORY | 2019年 / 136卷
关键词：
Clearance; Tolerance; Overconstrained; Mechanism; POSITION; LINKAGES; REVOLUTE;
D O I：
10.1016/j.mechmachtheory.2019.03.007
中图分类号：
TH [机械、仪表工业];
学科分类号：
0802 ;
摘要：
This paper describes a geometrical model to quantify minimal joint clearance in overconstrained 2D or 3D linkages when the shapes of components are subject to manufacturing deviations. This important property needs to be computed at the earlier stages of product development for engineers to design and produce reliable mechanisms in the context of mass production. The solution is based on a previous study dedicated to rigid assemblies. The major contributions of this work are the definition of a regularized closure function together with the computation of minimum joint clearance for a mobile linkage. Five examples illustrate the efficiency of the solution. (C) 2019 Elsevier Ltd. All rights reserved.
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页码：284 / 306
页数：23
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