Reverse engineering of spiral bevel gear drives reconstructed from point clouds
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Grupo de Investigación de Transmisiones Avanzadas de EngranajesÁrea de conocimiento
Ingeniería MecánicaPatrocinadores
The authors express their deep gratitude to the Spanish Ministry of Economy, Industry and Competitiveness (MINECO), the Spanish State Research Agency (AEI) and the European Fundfor Regional Development (FEDER) for the nancial support of research project DPI2017-84677-P.Fecha de publicación
2022-01-08Editorial
ElsevierCita bibliográfica
Gonzalez-Perez, Ignacio y Fuentes Aznar, Alfonso. Reverse engineering of spiral bevel gear drives reconstructed from point clouds. Mechanism and Machine Theory, Volume 170, 2022, 104694, ISSN 0094-114X, https://doi.org/10.1016/j.mechmachtheory.2021.104694.Revisión por pares
siPalabras clave
Reverse engineeringPoint cloud
Spiral bevel gears
Tooth contact analysis
Stress analysis
Resumen
The replacement of spiral bevel gears represents a challenge when the design data is missing and only the physical gears are available. In this case, application of reverse engineering is required to determine the design data and machine-tool settings that would allow the default gears to be replaced and/or improved. This paper proposes a methodology of reverse engineering of spiral bevel gears reconstructed from point clouds. Point clouds of the gear tooth surfaces are obtained from non-contact metrology machines using a 3D laser scanner. Non-uniform rational B-splines surfaces are obtained to fit a set of predefined points of the point cloud. Once the reconstructed tooth surfaces are available, a bound-constrained optimization algorithm is used to derive the finishing machine-tool settings of the gears to produce the closer tooth surfaces to the reconstructed ones. The resulting reconstructed gear drive can be analyzed throughout tooth contact and finite element analyses to evaluate ...
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