Type of helix angle modification
| Symbol | - |
|---|---|
| Unit | - |
| Attribute-ID | sekor_hcb_form |
| Numeric ID | 4131 |
| Value Type | PMString |
Specification how the type of helix angle modification is determined:
- At beginning of facewidth (smaller u-coordinate):
- Positive value: material removal at the beginning of the facewidth
- Negative value: material removal at the end of the facewidth
- According to VDI 2607/2612
- According to DIN 3960
- Specification in degrees:
- Positive value: helix angle is increased by the modification
- Negative value: helix angle is reduced by the modification
Modifications are interpreted as follows: