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AGMA 940-A09 (R2022)
Double Helical Epicyclic Gear Units
This information sheet addresses epicyclic gear drives which utilize double helical type gearing on the planetary elements. It is intended to be a supplement to and used in conjunction with ANSI/AGMA 6123--B06, Design Manual for Enclosed Epicyclic Gear Dives. It covers only those topics which are unique to double helical gear arrangements in epicyclic gear drives.
American Gear Manufacturers Association [agma]