Fraises à tailler les engrenages à développante, 20° angle de pression, code 890075, modul 1.5, pour 17-20 dents
Nombre de dents (engrenages)
| Modul | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 |
| ZOZ | 12-13 | 14-16 | 17-20 | 21-25 | 26-34 | 35-54 | 55-134 | 135-00 |
Conditions de coupe
Matériaux | Dureté | Ae | Vc | fz(mm/z) Ø 40 | Ø 50 | Ø 63 | Ø 70 | Ø 80 | Ø 90 | Ø 100 |
|---|---|---|---|---|---|---|---|---|---|---|
| Modul 1-5 | ||||||||||
| P.1 | Acier de coupe, acier de construction | ≤ 600 N/mm² | 2,1xm | 20 | 0.01 | 0.013 | 0.016 | 0.018 | 0.021 | 0.023 | 0.026 |
| P.2 | Acier de construction et acier moulé | ≤ 850 N/mm² | 2,1xm | 15 | 0.01 | 0.013 | 0.016 | 0.018 | 0.021 | 0.023 | 0.026 |
| K.1 | Fonte (≤ 240 HB) | ≤ 820 N/mm | 2,1xm | 12 | 0.011 | 0.014 | 0.018 | 0.02 | 0.023 | 0.026 | 0.029 |
| K.2 | Fonte (> 240 HB) | > 800 N/mm² | 2,1xm | 10 | 0.01 | 0.013 | 0.016 | 0.018 | 0.021 | 0.023 | 0.026 |
| Modul 6 | ||||||||||
| P.1 | Acier de coupe, acier de construction | ≤ 600 N/mm² | 2,1xm | 20 | 0.026 | 0.033 | 0.041 | 0.046 | 0.053 | 0.059 | 0.066 |
| P.2 | Acier de construction et acier moulé | ≤ 850 N/mm² | 2,1xm | 15 | 0.022 | 0.027 | 0.035 | 0.038 | 0.044 | 0.049 | 0.055 |
| K.1 | Fonte (≤ 240 HB) | ≤ 820 N/mm | 2,1xm | 12 | 0.022 | 0.027 | 0.035 | 0.038 | 0.044 | 0.049 | 0.055 |
| K.2 | Fonte (> 240 HB) | > 800 N/mm² | 2,1xm | 10 | 0.021 | 0.026 | 0.033 | 0.037 | 0.042 | 0.047 | 0.053 |