Standard for Spur, Helical, Herringbone and Bevel Enclosed Drives
|Publication Date:||1 June 1997|
This standard is applicable to enclosed gear drives wherein the gear tooth designs include spur, helical, herringbone or double helical, or bevel, in single or multistage units.
The rating methods and influences identified in this standard are limited to enclosed drives of single and multiple stage designs where the pitch line velocities do not exceed 7000 feet per minute and pinion speeds do not exceed 4500 revolutions per minute.
There is a speed and pitch line velocity overlap in the scope of this standard and the scope of ANSI/AGMA 6011-G92. ANSI/AGMA 6011-G92 permits designs down to 5000 feet per minute and pinion speeds to 3600 revolutions per minute. In the area of overlap in the scope, the standard used is dependent on the application or unit designed. All parties should be aware of the standard used and should agree on the use of that standard.
This standard is not intended to assure performance of assembled gear drive systems. It is intended for use by the experienced gear designer capable of selecting reasonable values for the factors, based on his knowledge of performance of similar designs and the effects of such items as lubrication, deflection, manufacturing tolerances, metallurgy, residual stress and system dynamics. It is not intended for use by the engineering public at large.
This standard does not cover the design and application of epicyclic drives or gear blank design.
This standard does not cover the rating of gear drives due to wear or scoring (scuffing) of gear teeth or components.
This standard does not apply to gear drives that are covered by other specific AGMA application standards.
The annexes are for reference only and are not a part of this standard. The annexes can be used to make a more detailed analysis of certain rating factors, and a guide to owner responsibilities.