Tolerances and verification of gears

Next, we will give you the list of ISO standards that register the tolerances and control procedures for teeth ISO 1328-1-2/10064-1-2-3-4/10604-3. The following is the list of the possible errors that one can find on gears.

Pitch errors
Individual pitch errors fpt
Cumulated pitch errors Fpk
Total pitch errors Fp
Axial pitch errors fpx
Profile errors
Total profile deviation Fa
Profile ondulation fw a
Helix angle deviations
Total helix angle deviation Fβ
Eccentricity error Fr