Prolonged involute gear hobs for shifting
Prolonged involute gear hobs (for shifting) according to PN 22 2559
| Pressure angle | 20° |
| Module | 1-7 |
| PN 22 2559 | KHSS-E, PM |
| PN 22 2551.1 | with TiN coating |
| Module | Da0 | d | L | x | Number of flutes |
|---|---|---|---|---|---|
| 1 1,25 1,5 1,75 2 2.25 2,5 2,75 3 3,25 3,5 3,75 4 4.5 5 5,5 6 6,5 7 | 56 56 63 63 74 74 80 80 90 90 90 100 100 108 108 108 125 125 125 | 22 22 27 27 27 27 32 32 32 32 32 32 32 40 40 40 40 40 40 | 60 80 90 90 90 110 110 110 125 125 140 140 140 140 160 160 180 180 180 | 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 | 16 16 14 14 14 14 14 14 14 14 14 14 14 12 12 12 12 12 12 |
Teeth profile according to ČSN 22 2501.
Accuracy Class A, B according to DIN 3968, up to module 6 accuracy class AA.
On the special order is the possibility of delivery of double or triple start hobs.
The hobs are delivered also with different PVD coating.