Geometrical inspection of designed and acquired surfaces

Authors: Orazi, Leonardo1; Tani, Giovanni2

Source: The International Journal of Advanced Manufacturing Technology, Volume 34, Numbers 1-2, August 2007 , pp. 149-155(7)

Publisher: Springer

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Abstract:

In this study a series of procedures were implemented to compare acquired surfaces with the nominal data or to directly compare different scanned surfaces. In particular a morphological evaluation algorithm based on the extended Gaussian curvature (EGC) and a method to compare features based on aggregate normal orientation are presented. To perform the comparing feature method a simple procedure for segmentation was developed. The main characteristic of the two methods is robust behavior referring to the scan orientation. The procedures were implemented as software modules in a graphic environment.

Keywords: Curvature; Free form surfaces; Quality control; Reverse engineering

Document Type: Research Article

DOI: http://dx.doi.org/10.1007/s00170-006-0587-2

Affiliations: 1: Email: lorazi@unimore.it 2: Email: giovanni.tani@mail.ing.unibo.it

Publication date: August 1, 2007

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