HYBRID-ADDITIVE GEAR FOR A WIND TURBINE GEARBOX
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United States of America
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Issued Date -
Apr 29, 2021
app pub date -
Jun 21, 2019
filing date -
Jun 21, 2019
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Abstract
A method for manufacturing a planet gear or a sun gear of a gearbox of a wind turbine includes forming a base of the planet gear via at least one of casting or forging. The base of the planet gear includes an inner circumferential surface and an outer circumferential surface. Therefore, at least one of the inner circumferential surface or the outer circumferential surface of the planet gear includes a plurality of net or near-net gear teeth. The method also includes applying a coating material to at least a portion of the base of the gear and at least a portion of the plurality of gear teeth of the gear via an additive manufacturing process so as to increase a hardness of the portions of the base and the plurality of gear teeth that includes the coating material.
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