3D scan contour de-featuring for improved measurement accuracy – a case study for a small turbine guide vane component

• Autorzy: Jamontt Marcin , Pyrzanowski Paweł

Identyfikatory

DOI

10.24425/bpasts.2021.138815

• Języki publikacji: EN

Abstrakty

EN

3D scanning measurements are gaining popularity every year. Quick inspections on already captured point clouds are easy to prepare with the use of modern software and machine learning. To achieve repeatability and accuracy, some surface and measurement issues should be considered and resolved before the inspection. Large numbers of manufacturing scans are not intended for manual correction. This article is a case study of a small surface inspection of a turbine guide vane based on 3D scans. Small surface errors cannot be neglected as their incorrect inspection can result in serious faults in the final product. Contour recognition and deletion seem to be a rational method for making a scan inspection with the same level of accuracy as we have now for CMM machines. The main reason why a scan inspection can be difficult is that the CAD source model can be slightly different from the inspected part. Not all details are always included, and small chamfers and blends can be added during the production process, based on manufacturing standards and best practices. This problem does not occur during a CMM (coordinate measuring machine) inspection, but it may occur in a general 3D scanning inspection.

Słowa kluczowe

EN

3D scan; flatness; turbine guide vane; small surfaces; point clouds; contour recognition; contour de-featuring

PL

skanowanie 3D; płaskość; łopatka prowadząca turbiny; powierzchnie małe; chmura punktów; rozpoznawanie konturów; usuwanie konturów

• Wydawca: Polska Akademia Nauk, Wydział IV Nauk Technicznych
• Czasopismo: Bulletin of the Polish Academy of Sciences. Technical Sciences
• Rocznik: 2021
• Tom: Vol. 69, nr 5
• Strony: art. no. e138815
• Opis fizyczny: Bibliogr. 28 poz., rys., tab.

Twórcy

autor

Jamontt Marcin

• General Electric Company, al Krakowska 110-114, 02-265 Warsaw, Poland

autor

Pyrzanowski Paweł

• Institute of Aeronautics and Applied Mechanics, Warsaw University of Technology, ul. Nowowiejska 24, 00-665 Warsaw, Poland

• https://orcid.org/0000-0003-1015-7645

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