Agma 20151a01 Pdf ~repack~ May 2026
ANSI/AGMA 2015-1-A01 defines accuracy classifications for cylindrical gear tangential measurements but has been superseded by AGMA ISO 1328-1:B2014. The standard introduced a system where lower grade numbers, ranging from A2 to A11, indicate higher precision. Access the document for review at American Gear Manufacturers Association ANSI/AGMA 2015-1-A01
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Marcus blinked. "My professor mostly covered the basics of tooth thickness and center distance." Title: "Gear Tooth Spline Tooth and Worm Tooth
Low Accuracy (A10–A11): Only requires cumulative pitch and single pitch deviation. 3. Major Changes from Previous Standards and lower modulus of elasticity.
- Title: "Gear Tooth Spline Tooth and Worm Tooth Profile Tolerances"
- Publication date: 2015
- Format: PDF
2. Check University or Corporate Subscriptions
Many engineering schools and large manufacturers have an AGMA Standards Subscription. Through your library or internal portal, you may get free access to the PDF.
1. What the Standard Covers
- Scope: Defines accuracy grades (e.g., AGMA class 5 through 15) for external and internal cylindrical involute gears.
- Key Measurements: Tangential tooth thickness deviations, runout, pitch variations, and profile/worm deviations when derived from tangential data.
- Purpose: Provides manufacturers and inspectors a consistent method to specify and verify gear precision, especially for high-tolerance applications like automotive, aerospace, and precision machinery.
History and Status
Published in January 2001, AGMA 909-A01 was a landmark document. It was the first AGMA standard specifically addressing the unique behaviors of plastic gears, which differ significantly from metal gears due to thermal expansion, moisture absorption, creep, and lower modulus of elasticity.
