End mills long, for aluminium roughing, 1 tooth cut over centre, type WR, code 115418, diameter 20 mm
|
D
k 12 |
d
h 6 | l1 | l2 | Z | Item code | On stock |
|---|---|---|---|---|---|---|
| 20 | 20 | 141 | 75 | 3 | 115418.200 | Yes |
Cutting conditions
Material |
Strength |
Ap |
Ae |
Vc |
fz(mm/z) Ø 6 |
Ø 8 |
Ø 10 |
Ø 12 |
Ø 16 |
Ø 20 |
|---|---|---|---|---|---|---|---|---|---|---|
| N.1 | Aluminium, Aluminium cast alloys Si (Si ≤ 6%) | ≤ 400 N/mm² | 1,5xD | 0,25xD | 123 | 0.027 | 0.036 | 0.045 | 0.054 | 0.072 | 0.09 |
| N.2 | Aluminium cast alloys Si (Si ≤ 12%) | ≤ 600 N/mm² | 1,5xD | 0,25xD | 138 | 0.0288 | 0.0384 | 0.048 | 0.0576 | 0.0768 | 0.096 |
| N.3 | Aluminium cast alloys Si (Si > 12%) | ≤ 600 N/mm² | 1,5xD | 0,25xD | 143 | 0.0306 | 0.0408 | 0.051 | 0.0612 | 0.0816 | 0.102 |
Calculations of cutting conditions
Product attributes
Straight shank with clamping flat (Weldon) according to DIN 1835 B.
Helix angle = 35°.
Rake angle = 18°.
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.
For roughing operation and materials of lower and medium strenght.
