Agma: 20151a01 Pdf

Plastic gears cannot use metal gear rating formulas (AGMA 2001, 2101). The plastic standard de-rates based on:

Yes. The 20151-A01 PDF contains at least two fully worked numerical examples (one for straight bevel, one for spiral bevel), including every intermediate formula. agma 20151a01 pdf

By enforcing tolerances on the roll variation rather than just the static profile, AGMA 2015-1-A01 directly controls Transmission Error. When a manufacturer certifies a gear to 2015-1-A01 Class A, they are essentially certifying that the gear will rotate smoothly, maintaining a constant velocity ratio. This reduces the need for expensive post-process "tuning" or lapping. Plastic gears cannot use metal gear rating formulas

Nylon (PA) gears absorb humidity and swell. AGMA 909-A01 quantifies this: up to 2.5% dimensional change from dry-as-molded to saturated condition. Designers must specify whether the gear will operate in dry (desert), normal (50% RH), or wet environments. By enforcing tolerances on the roll variation rather

As a copyrighted document from the American Gear Manufacturers Association (AGMA) , the full text is typically behind a paywall. You can find official copies and previews at the following locations: A New Standard in Gear Inspection