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Advanced Face Gear Surface Durability EvaluationsThe surface durability life of helical face gears and isotropic super-finished (ISF) face gears was investigated. Experimental fatigue tests were performed at the NASA Glenn Research Center. Endurance tests were performed on 10 sets of helical face gears in mesh with tapered involute helical pinions, and 10 sets of ISF-enhanced straight face gears in mesh with tapered involute spur pinions. The results were compared to previous tests on straight face gears. The life of the ISF configuration was slightly less than that of previous tests on straight face gears. The life of the ISF configuration was slightly greater than that of the helical configuration.
Document ID
20160003580
Acquisition Source
Glenn Research Center
Document Type
Technical Memorandum (TM)
Authors
Lewicki, David G. (NASA Glenn Research Center Cleveland, OH United States)
Heath, Gregory F. (Boeing Co. Mesa, AZ, United States)
Date Acquired
March 22, 2016
Publication Date
March 1, 2016
Subject Category
Mechanical Engineering
Report/Patent Number
NASA/TM-2016-218943
GRC-E-DAA-TN23108
E-19188
Funding Number(s)
WBS: WBS 664817.02.03.02.02.02
CONTRACT_GRANT: W911W6-06-2-0006
Distribution Limits
Public
Copyright
Public Use Permitted.
Keywords
fatigue
transmissions
gears

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