The core of ANSI/AGMA 2015-1-A01 is its classification of gears into ten distinct accuracy grades. The standard defines these grades, numbered from , which are arranged in descending order of precision. In practical terms:
: Measures the variance between adjacent tooth profiles. agma 20151a01 pdf
ANSI/AGMA 2015-1-A01 is a historical American National Standard that established a classification system for the accuracy of tangential measurements in spur and helical gears. Though officially superseded by AGMA ISO 1328-1:B2014 The core of ANSI/AGMA 2015-1-A01 is its classification
Understanding this framework is essential for anyone looking to source, design, or manufacture high-precision gearing systems. Overview and Purpose of the Standard agma 20151a01 pdf