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Comparison of tactile probe CMM and laser scanning techniques for reverse engineering

Posted on:1998-02-09Degree:M.A.ScType:Thesis
University:University of Windsor (Canada)Candidate:Liu, YanFull Text:PDF
GTID:2462390014978110Subject:Engineering
Abstract/Summary:
In this thesis, the strategies of reverse engineering using tactile probe CMM and laser scanning techniques are described and applied in practice. Examples are given by reverse engineering geometric primitives including a plane, a sphere and a two-radius cylinder as well as free-form surfaces including a car tail light and a manifold surface. Through these examples, the effect of the probing angle of the laser scanner as well as the CMM on the accuracy of the measurement data is revealed. The problems with surface modeling are studied and the solutions to build a surface model from different geometry curves with smoothness and faster speed are given.;The advantages and disadvantages of the tactile probe CMM and the laser scanning techniques are investigated in this thesis. The results can serve as a standard of alternative selection in different applications. The possibility of using a hybrid approach is explored. The example shows one of the many ways of using a hybrid technique through the tactile probe CMM and the laser scanning techniques. The results show that it is practical to combine the two techniques to compensate for the disadvantages of each. (Abstract shortened by UMI.)...
Keywords/Search Tags:Tactile probe CMM, CMM and laser scanning techniques, Reverse engineering
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