| Symbol | fptT |
|---|---|
| Unit | µm |
| Attribute-ID | single_pitch_tolerance_iso_17485_2006 |
| Numeric ID | 19110 |
| Value Type | PMTechValue |
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 |