1 introduction iso dimensioning and tolerancing

Info iconThis preview shows page 1. Sign up to view the full content.

View Full Document Right Arrow Icon
This is the end of the preview. Sign up to access the rest of the document.

Unformatted text preview: amp; " / AJ $ . !/ 7 / . "O @: " 3 .7 / Dependence and Independence of Variations of a Geometric Object P. Serré*, A. Rivière*, A. Clément** *Laboratoire d’Ingénierie des Systèmes Mécaniques et des MAtériaux, 3, rue Fernand Hainaut, 93407 Saint-Ouen Cedex, France **Dassault Systèmes, 9, quai Marcel Dassault, 92156 Suresnes Cedex, France philippe.serre@supmeca.fr ariviere@supmeca.fr andre_clement@ds-fr.com Abstract: The general objective of this paper is to analyse the dependency relations that may exist between several specifications of a geometric object. This object will be modelled on the basis of the TTRS concept and vector modelling synthesised by the metric tensor of a sheaf of vectors. The first problem that we propose to solve therefore is the formal expression of these relations. After that, the dependency will be analysed and illustrated considering a 3D object. Keywords: Geometric Perturbation, Metric Tensor, Geometrical Specification. 1. INTRODUCTION ISO dimensioning and tolerancing standards for mechanical parts are not geometric specification standards but st...
View Full Document

Ask a homework question - tutors are online