Metal forming tool monitoring based on a 3D measuring endoscope using CAD assisted registration

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Hinz, L.; Kästner, M.; Reithmeier, E.: Metal forming tool monitoring based on a 3D measuring endoscope using CAD assisted registration. In: Sensors 19 (2019), Nr. 9, 2084. DOI: https://doi.org/10.3390/s19092084

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To cite the version in the repository, please use this identifier: https://doi.org/10.15488/5068

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Sum total of downloads: 8




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Abstract: 
In order to provide timely, reliable, and comprehensive data for the maintenance of highly stressed geometries in sheet-bulk metal forming tools, this article features a possible setup by combining a 3D measuring endoscope with a two-stage kinematic. The measurement principle is based on the projection of structured light, allowing time-effective measurements of larger areas. To obtain data of proper quality, several hundred measurements are performed which then have to be registered and finally merged into one single point cloud. Factors such as heavy, unwieldy specimens affecting precise alignment. The rotational axes are therefore possibly misaligned and the kinematics and the hand-eye transformation remain uncalibrated. By the use of computer-aided design (CAD) data, registration can be improved, allowing a detailed examination of local features like gear geometries while reducing the sensitivity to detect shape deviations.
License of this version: CC BY 4.0
Document Type: article
Publishing status: publishedVersion
Issue Date: 2019
Appears in Collections:Fakultät für Maschinenbau

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1 image of flag of Germany Germany 6 75.00%
2 image of flag of Estonia Estonia 2 25.00%

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