Historical
ANSI/AGMA 1102-A03
Tolerance Specification for Gear Hobs
Provides specifications for nomenclature, dimensions, equation based tolerances, and inspection practices for gear hobs. Defines a classification system for accuracy grades D through AAA, in order of increasing precision. The standard describes hob identification practices, manufacturing and purchasing considerations, and hob design parameters. An informative annex is included which provides the reader with a basic understanding of how the different elements of a hob can affect the accuracy of the gear being machined. Revision of AGMA 120.01.
American Gear Manufacturers Association [agma]