| Symbol | - |
|---|---|
| Unit | µm |
| Attribute-ID | deviation of helix angle |
| Numeric ID | 460 |
| Value Type | PMTechValue |
The helix angle is the angle between the flank line and a pitch cone generatrix. The helix angle deviation is the deviation of the actual helix angle from the theoretical helix angle. A positive helix angle deviation causes a positive deviation at the heel.