An exact system of generation for face-hobbed hypoid gears: Application to high reduction hypoid gear drives
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Ciencia de los Materiales e Ingeniería MetalúrgicaPatrocinadores
The authors express their deep gratitude to the Spanish Ministry of Science and Innovation (MCIN) and the Spanish State Research Agency (AEI) for the financial support of research project PID2020-116107GB-I00 (funded by MCIN/AEI/10.13039/501100011033).Realizado en/con
Universidad Politécnica de CartagenaFecha de publicación
2022-10-11Editorial
ELSEVIERCita bibliográfica
Ignacio Gonzalez-Perez, Alfonso Fuentes-Aznar, An exact system of generation for face-hobbed hypoid gears: Application to high reduction hypoid gear drives, Mechanism and Machine Theory, Volume 179, 2023, 105115, ISSN 0094-114X, https://doi.org/10.1016/j.mechmachtheory.2022.105115.Revisión por pares
SIPalabras clave
High reduction hypoid gearsFace-hobbing
Tooth contact analysis
Stress analysis
Resumen
The determination of the pitch cones for hypoid gears is already well defined either through numerical methods as those shown in the Standard ANSI/AGMA ISO 23509-B17 or through algorithms available in the specialized literature. However, a procedure to determine the gear tooth surfaces for hypoid gears directly from their pitch cones is still missing. An analytical approach to determine the basic machine-tool settings for the pinion and the wheel of hypoid gear drives is proposed here. It is based on the condition of exact generation, which means that the gears will operate under conjugate condition. It can be applied for generation of face-hobbed hypoid gears, produced either by the CycloCut or the CycloPalloid generation methods. A numerical example proves the goodness of the proposed methodology in a high reduction hypoid gear drive. The results of tooth contact and stress analyses prove that the bearing contact is localized and stable against misalignments, requiring just a small ...
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