Active peening of gear teeth in an assembled gearbox
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United States of America Patent
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Jul 21, 2020
Grant Date -
Aug 23, 2018
app pub date -
Aug 29, 2016
filing date -
Aug 31, 2015
priority date (Note) -
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Abstract
A gearbox is provided having a housing, a gear having a plurality of teeth operationally configured within the housing, and a laser peening device located within the housing and configured to perform active laser peening on a predetermined surface of the gear while the gear is rotated within the housing. A method of maintaining compressive residual stresses in a gear is provided, the method including operating a gearbox to rotate a gear within the gearbox and laser peening a predetermined surface of the gear with a laser peening device located within the gearbox.
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