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In-field performance of an optical digitizer for the reverse engineering of free-form surfaces

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Abstract

The use of OPL-3D, a robust, flexible and easy-to-use optical digitizer, in conjunction with reverse engineering procedures is presented. The optical digitizer is used as a stand-alone (i.e., not in tandem with popular CMM’s) system, whose output point clouds can be manipulated, by means of both specifically-designed software and high-performance commercial software, to produce mesh surfaces and NURBS of the acquired shape. The digitizer-process combination yields accurate digital replicas of the target object, the accuracy of the whole combination being on the order of 1/1500 of the measurement range. The speed of acquisition, combined with the above high accuracy, the ease of use and the fact that recalibration is seldom required makes the digitizer ideal for reverse engineering in an enormous number of applications ranging from automotive to biomedical.

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Authors and Affiliations

  1. INFM and Laboratory of Optoelectronics, University of Brescia, Via Branze 38, 25123, Brescia, BS, Italy

    Giovanna Sansoni & Franco Docchio

Authors
  1. Giovanna Sansoni
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  2. Franco Docchio
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Correspondence to Giovanna Sansoni.

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Sansoni, G., Docchio, F. In-field performance of an optical digitizer for the reverse engineering of free-form surfaces. Int J Adv Manuf Technol 26, 1353–1361 (2005). https://doi.org/10.1007/s00170-004-2122-7

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  • DOI: https://doi.org/10.1007/s00170-004-2122-7

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