Archive > 2018 > June 2018 > Selecting the Right Tooth Thickness

Selecting the Right Tooth Thickness - June 2018

The article "Selecting the Right Tooth Thickness" appeared in the June 2018 issue of Gear Technology.

A reader asks: We are currently revising our gear standards and tolerances, and a few problems with the new standard AGMA 2002-C16 have arisen. 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.

tooth thickness, AGMA 2002-C16, profile shift, measurement, span width, measurement over pins

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