Spur involute gear pinion-type cutters
Spur involute gear pinion-type cutters according to DIN 1825 for straight tooth
| Pressure angle | 20° |
| ČSN 22 2570 | HSS or PM |
| ČSN 22 2570.1 | with PVD coating |
Nominal diameter 3“
| Module | Number of teeth | D | b1 | B | d1 | d2 |
|---|---|---|---|---|---|---|
|
1 1.25 1.5 1.75 2 2,25 2.5 2,75 3 3,25 3.5 3.75 4 4.25 4.5 5 |
76 62 50 44 38 34 30 28 26 24 22 20 20 18 18 16 |
76 77,5 75 77 76 76,5 75 77 78 78 77 75 80 76,5 81 80 |
8 8 8 8 9 9 9 9 10 10 10 10 10 10 10 10 |
18 18 18 20 20 20 20 22 22 22 22 24 24 24 24 24 |
31,75 31,75 31,75 31,75 31,75 31,75 31,75 31,75 31,75 31,75 31,75 31,75 31.75 31,75 31,75 31,75 |
50 50 50 50 50 50 50 50 50 50 50 50 50 50 50 50 |
Nominal diameter 4“
| Module | Number of teeth | D | b1 | B | d1 | d2 |
|---|---|---|---|---|---|---|
|
1 1,25 1,5 1,75 2 2,25 2,5 2,75 3 3,25 3,5 3,75 4 4,25 4,5 5 5,5 6 6,5 7 8 |
100 80 68 58 50 44 40 36 34 30 28 28 26 24 22 20 18 18 16 16 14 |
100 100 102 101,5 100 99 100 99 102 97,5 98 105 104 102 99 100 99 108 104 112 112 |
9 9 9 10 10 10 10 10 10 10 10 11 11 11 11 11 12 12 12 12 12 |
18 18 18 20 20 20 20 22 22 22 22 24 24 24 24 24 24 24 26 26 26 |
44,45 44,45 44,45 44,45 44,45 44,45 44,45 44,45 44,45 44,45 44,45 44,45 44,45 44,45 44,45 44,45 44,45 44,45 44,45 44.45 44,45 |
63 63 63 63 63 63 63 63 63 63 63 63 63 63 63 63 63 63 63 63 63 |
Nominal diameter 5“
| Module | Number of teeth | D | b1 | B | d1 | d2 |
|---|---|---|---|---|---|---|
|
2 2,25 2,5 2,75 3 3.25 3,5 3,75 4 4,25 4,5 5 5,5 6 6,5 7 8 9*) 10*) |
62 56 50 46 42 38 36 34 32 32 28 26 24 22 20 18 16 14 14 |
124 126 125 126,5 126 123,5 126 127 128 128 126 130 132 132 130 126 128 126 140 |
10 10 10 10 10 10 10 10 10 10 10 12 12 12 12 12 12 12 12 |
22 22 22 22 22 22 22 24 24 24 24 28 28 28 28 28 28 28 28 |
44,45 44,45 44,45 44,45 44,45 44,45 44,45 44,45 44,45 44,45 44,45 44,45 44,45 44,45 44,45 44,45 44,45 44,45 44,45 |
70 70 70 70 70 70 70 70 70 70 70 70 70 70 70 70 70 70 70 |
Nominal diameter 6“
| Module | Number of teeth | D | b1 | B | d1 | d2 |
|---|---|---|---|---|---|---|
|
6 6,5 7 8 9*) 10*) |
26 24 22 20 18 16 |
156 156 154 160 162 160 |
16 16 16 18 18 18 |
30 30 30 32 32 32 |
70 70 70 70 70 70 |
105 105 105 105 105 105 |
The tooth profile according to DIN 3972.
Accuracy Class A, B according to DIN 1829
The cutters are delivered also with different PVD coating.
*) Module 9 and 10 only within agreement with the producer.
