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TECHNOLOGY REVIEWS

Interactive Feature Modeling for Reverse Engineering

[+] Author and Article Information
K. Schreve1

Department of Mechanical Engineering, University of Stellenbosch, South Africakschreve@sun.ac.za

C. L. Goussard, A. H. Basson

Department of Mechanical Engineering, University of Stellenbosch, South Africa

D. Dimitrov

Department of Industrial Engineering, University of Stellenbosch, South Africa

1

Corresponding author.

J. Comput. Inf. Sci. Eng 6(4), 422-424 (Aug 08, 2006) (3 pages) doi:10.1115/1.2364205 History: Received September 13, 2005; Revised August 08, 2006

In feature based reverse engineering entities, or features, having higher level engineering meaning are used to approximate point data. This is in contrast to approximating the data with free form NURBS surfaces. Currently no such system is operationally available. Interactive feature based modeling tools for feature extraction, edge detection, and draft angle approximation are presented here. Several case studies demonstrate the application of these algorithms.

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Copyright © 2006 by American Society of Mechanical Engineers
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Figures

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Figure 1

Growing algorithm

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Figure 2

Wire-frame of surface and data points extracted from point cloud

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Figure 3

Scan results with detected edges (left) and swept surfaces (right)

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Figure 4

Reverse engineered CAD model of computer front panel

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Figure 5

Surface with no draft angle constraint (right) and 0deg draft angle (left)

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