Shell end mills, semicoarse teeth, type N, code 620278V, diameter 40 mm
|
D
js 16 |
d
H 7 | l1 | Z | Item code | On stock |
|---|---|---|---|---|---|
| 40 | 16 | 32 | 8 | 620278V.040 | No |
Cutting conditions
Material |
Strength |
Ap |
Ae |
Vc |
fz(mm/z) Ø 40 |
Ø 50 |
Ø 63 |
Ø 80 |
Ø 100 |
Ø 125 |
|---|---|---|---|---|---|---|---|---|---|---|
| P.1 | Free-cutting steels, general construction steels | ≤ 600 N/mm² | 0,8xl1 | 0,75xD | 45 | 0.08 | 0.085 | 0.1 | 0.105 | 0.11 | 0.115 |
| P.2 | General construction steels, steel castings | ≤ 850 N/mm² | 0,8xl1 | 0,75xD | 39 | 0.08 | 0.085 | 0.1 | 0.105 | 0.11 | 0.115 |
| P.3 | Tool steels low alloyed | ≤ 1100 N/mm² | 0,8xl1 | 0,75xD | 24 | 0.08 | 0.085 | 0.1 | 0.105 | 0.11 | 0.115 |
| P.4 | Heat treatable steels | ≤ 900 N/mm² | 0,8xl1 | 0,75xD | 30 | 0.08 | 0.085 | 0.1 | 0.105 | 0.11 | 0.115 |
| P.5 | Tool steels high alloyed | ≤ 1100 N/mm² | 0,8xl1 | 0,75xD | 24 | 0.08 | 0.085 | 0.1 | 0.105 | 0.11 | 0.115 |
| M.2 | Corrosion- and acid-proof steels | 750 - 850 N/mm² | 0,8xl1 | 0,75xD | 15 | 0.08 | 0.085 | 0.1 | 0.105 | 0.11 | 0.115 |
| K.2 | Cast iron (> 240 HB) | > 800 N/mm² | 0,8xl1 | 0,75xD | 25 | 0.08 | 0.085 | 0.1 | 0.105 | 0.11 | 0.115 |
Calculations of cutting conditions
Product attributes
Straight bore with standard keyway and driving slot according to DIN 138.
Helix angle = 30°.
Rake angle = 12°.
Extra high performance high speed steel with good toughness and great temperature resistance. It is applicable especially for milling of materials with high strength, austenitic steels, steels for warm working, etc.
Universal usage. Suitable for materials up to strength 900 MPa.
