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AGMA 421.06

1969 Edition, January 1, 1969

Complete Document

Standard Practice for High Speed Helical and Herringbone Fear Units

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Superseded By: AGMA 6011

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W/D S/S BY AGMA 6011
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Description / Abstract:

This standard practice covers enclosed high speed helical and herringbone external tooth gear units of the parallel shaft type, and applies to all stages of stages if single or multiple stage gearing for speed increasing or speed reducing service. Units in this classification are those operating with pinion speeds of 3600 revolutions per minute and higher, or pitch line speeds of 5000 feet per minute and higher. Marine propulsion, aircraft and automotive gearing, however, are in separate categories and are not covered by this standard.

The gearing and unit components are to be manufactured within the conventional processes and accuracy limits normally used by manufacturers of high speed units.

Where this standard specifically directs reference to other AGMA Standards, the user should satisfy himself that he has the latest edition on that subject.