2021
DOI: 10.1038/s41598-021-00284-9
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Modeling and analysis of transient lubrication characteristic of the helicopter main transmission spiral bevel gears in point contacts

Abstract: An engineering calculation model is introduced for point-contact elastohydrodynamic lubrication analysis of spiral bevel gears. This model can analyze transient lubrication characteristics of spiral bevel gears. The influence of the angle between the lubricant entrainment and the minor axis of the contact ellipse is included in this model. The contact parameters of the spiral bevel gear are calculated, which will change with time during the meshing process. The variation of lubricant film thickness during the … Show more

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