Tolerance factor according to ISO 17485 (2006)

Symbol q
Unit -
Attribute-ID tolerance_factor_q_iso_17485_2006
Numeric ID 19016
Value Type PMDouble

The factor q is used to calculate the tooth mesh component single flank composite tolerance, fisT.

Recommended values for the factor q according to ISO 17485 (2006):

Application Single flank composite tooth mesh component deviations, fis [µrad] Factor q
Passenger car < 30 0.05
Truck 20 - 50 1.0
Industrial 40 - 100 2.0 to 2.5
Aircraft 40 - 200 2.0