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ANSI/AGMA 1003-H07 (R2020)

Tooth Proportions for Fine- Pitch Spur and Helical Gearing

Abstract: Tooth proportions for fine--pitch gearing are similar to those of coarse pitch gearing except in the matter of clearance. For 20 degree profile angle fine--pitch gearing, this standard provides a system of enlarged pinions which use the involute form above 5 degrees of roll. Data on 14--1/2 and 25 degree profile angle systems, as well as a discussion of enlargement and tooth thickness are included in the annexes.

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American Gear Manufacturers Association [AGMA]


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