Double angle milling cutters, symmetrical
|
ϱ
±30' |
D
js 16 | S |
d
H 7 | Z | Item code | On stock |
|---|---|---|---|---|---|---|
| 45 | 50 | 8 | 16 | 22 | 857070.045050 | Yes |
| 45 | 63 | 10 | 22 | 24 | 857070.045063 | Yes |
| 45 | 80 | 12 | 27 | 26 | 857070.045080 | Yes |
| 45 | 100 | 18 | 32 | 28 | 857070.045100 | Yes |
| 60 | 50 | 10 | 16 | 18 | 857070.060050 | Yes |
| 60 | 63 | 14 | 22 | 20 | 857070.060063 | Yes |
| 60 | 80 | 18 | 27 | 22 | 857070.060080 | Yes |
| 60 | 100 | 25 | 32 | 24 | 857070.060100 | Yes |
| 90 | 50 | 14 | 16 | 16 | 857070.090050 | Yes |
| 90 | 63 | 20 | 22 | 18 | 857070.090063 | Yes |
| 90 | 80 | 22 | 27 | 20 | 857070.090080 | Yes |
| 90 | 100 | 32 | 32 | 24 | 857070.090100 | Yes |
| 120 | 50 | 14 | 16 | 16 | 857070.120050 | Yes |
| 120 | 63 | 20 | 22 | 16 | 857070.120063 | Yes |
| 120 | 80 | 25 | 27 | 20 | 857070.120080 | Yes |
| 120 | 100 | 36 | 32 | 24 | 857070.120100 | Yes |
Cutting conditions
Material |
Strength |
Ap |
Vc |
fz(mm/z) Ø 50 |
Ø 63 |
Ø 80 |
Ø 100 |
|---|---|---|---|---|---|---|---|
| P.1 | Free-cutting steels, general construction steels | ≤ 600 N/mm² | 0,8xS | 30 | 0.03 | 0.035 | 0.04 | 0.043 |
| P.4 | Heat treatable steels | ≤ 900 N/mm² | 0,8xS | 20 | 0.03 | 0.035 | 0.04 | 0.043 |
| K.1 | Cast iron (≤ 240 HB) | ≤ 820 N/mm² | 0,8xS | 25 | 0.03 | 0.035 | 0.04 | 0.043 |
| K.2 | Cast iron (> 240 HB) | > 800 N/mm² | 0,8xS | 17 | 0.03 | 0.035 | 0.04 | 0.043 |
| N.4 | Cooper-zinc alloys, cooper-tin alloys | ≤ 800 N/mm² | 0,8xS | 50-90 | 0.03 | 0.035 | 0.04 | 0.043 |
Calculations of cutting conditions
Product attributes
Straight bore with standard keyway according to DIN 138.
Helix angle = 0°.
Rake angle = 0°.
High speed steel of average performance, it is applicable especially for cutters of smaller diameters and for milling of materials up to the strength of 900 MPa.
Universal usage. Suitable for materials up to strength 900 MPa.
