3D Transfer of Tolerances Using a SDT Approach: Application to Turning Process

Author:

Vignat Fre´de´ric,Villeneuve Franc¸ois1

Affiliation:

1. University of Grenoble, Laboratory Sols Solides Structures (3S), BP53, Domaine universitaire, 38041, Grenoble cedex 9, France

Abstract

The following paper aims to apply the concept of the small displacements torsor (SDT) in order to predict the defects of a part resulting in successive machining set-up. The proposition is to enlarge the 1D dispersion method to a 3D analysis of the feasibility of a machined part. This paper follows our previous works on the development of a method using this concept to simulate a manufacturing process. These developments are adapted to the turning process and its particularities. The relevant parameters allowing to describe the manufacturing and positioning defects are determined. These defects are analyzed with regards to the functional specifications of a part.

Publisher

ASME International

Subject

Industrial and Manufacturing Engineering,Computer Graphics and Computer-Aided Design,Computer Science Applications,Software

Reference9 articles.

1. Anselmetti, B., and Bourdet, P., 1993, “Optimization of a Workpiece Considering Production Requirements,” Comput. Ind. 21, pp. 23–34.

2. Bourdet, P., Mathieu, L., Lartigue, C., and Ballu, A., 1996, “The Concept of the Small Displacement Torsor in Metrology,” Advanced Mathematical Tools in Metrology II, Series on Advances in Mathematics for applied Sciences, 40, pp. 110–122.

3. Villeneuve, F., Legoff, O., and Landon, Y., 2001, “Tolerancing for Manufacturing: A Three Dimensional Model, International Journal of Production Research,” Int. J. Prod. Res., 39(8), pp. 1625–1648.

4. Ballu, A., Mathieu, L., and Dantan, J. Y., 2001 “Global View of Geometrical Specifications,” Proceedings of the 7th CIRP seminar on computer aided tolerancing, Cachan, France, pp. 19–30.

5. Desrochers, A., and Verheul, S., 1999, “A Three Dimensional Tolerance Transfer Methodology,” Proceedings of the 6th CIRP seminar on computer aided tolerancing, University of Twente, Enschede, Netherlands, pp. 83–92.

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