Archive > 2019 > July 2019 > Tooth Thickness Tolerance and AGMA 2002-C16

Tooth Thickness Tolerance and AGMA 2002-C16

The article "Tooth Thickness Tolerance and AGMA 2002-C16" appeared in the July 2019 issue of Gear Technology.

Summary
A reader asks: We are currently revising our gear standards and tolerances and a few questions with the new standard AGMA 2002-C16 have risen. Firstly, the way to calculate the tooth thickness tolerance seems to need a "manufacturing profile shift coefficient" that isn't specified in the standard; neither is another standard referred to for this coefficient. This tolerance on tooth thickness is needed later to calculate the span width as well as the pin diameter. Furthermore, there seems to be no tolerancing on the major and minor diameters of a gear.

Keywords
inspection, AGMA 2002-C16, measurement, tooth thickness, backlash, profile shift, x factor, DIN 3967

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