Three-Dimensional Verification of Geometric Tolerances With the “Fitting Gauge” Model

[+] Author and Article Information
Eric Pairel

Systems and Materials for Mechatronic Laboratory (Symme), Polytech’Savoie, Annecy Site, University of Savoie, BP 806, 74016 Annecy Cedex, Franceeric.pairel@univ-savoie.fr

J. Comput. Inf. Sci. Eng 7(1), 26-30 (Jul 13, 2006) (5 pages) doi:10.1115/1.2410022 History: Received September 14, 2005; Revised July 13, 2006

Thanks to the “fitting gauge” conceptual model, developed in our lab, any geometric tolerance can be interpreted in the form of a virtual three-dimensional gauge, which is able to be assembled with the part to be inspected. From a file containing the sampled points of the part to inspect, the experimental software, using this conceptual model, permits one to build the virtual gauge defined by the geometric tolerance and to check that it can be assembled and adjusted, according to a precise order, with clouds of points representing the part. Checking the geometric tolerances is thus strictly in conformity with their standardized meaning and it is extremely simplified.

Copyright © 2007 by American Society of Mechanical Engineers
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Figure 1

Example of a positional tolerance

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Figure 2

Illustration of the meaning of the positional tolerance taken as an example

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Figure 3

Illustration of the traditional inspection of a positional tolerance

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Figure 4

Display of the created objects as soon as the file containing groups of points is opened

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Figure 5

Virtual inspecting gauge of the tolerance



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