End mills with corner radius, type N, code 120517R, diameter 20 mm, corner radius 4
D
k 12 |
d
h 6 | l1 | l2 | R | Z | Item code | On stock |
---|---|---|---|---|---|---|---|
20 | 20 | 104 | 38 | 4 | 4 | 120517R.200040 AlTiN | Yes |
l2 16, l2 25 ≠ DIN 844K
Cutting conditions
Material |
Strength |
Ae |
Ap |
Vc |
fz(mm/z) Ø 6 |
Ø 8 |
Ø 10 |
Ø 12 |
Ø 16 |
Ø 20 |
---|---|---|---|---|---|---|---|---|---|---|
P.1 | Free-cutting steels, general construction steels | ≤ 600 N/mm² | 1xD | 0,1xD | 78 | 0.03 | 0.036 | 0.043 | 0.051 | 0.068 | 0.085 |
P.3 | Tool steels low alloyed | ≤ 1100 N/mm² | 1xD | 0,1xD | 51 | 0.03 | 0.036 | 0.043 | 0.051 | 0.068 | 0.085 |
P.6 | Tool and treated steels | > 1100 N/mm² | 1xD | 0,1xD | 20 | 0.021 | 0.025 | 0.031 | 0.036 | 0.048 | 0.06 |
M.3 | Corrosion- and acid-proof steels | > 850 mm² | 1xD | 0,1xD | 37 | 0.03 | 0.036 | 0.043 | 0.051 | 0.081 | 0.111 |
N.1 | Aluminium, Aluminium cast alloys Si (Si ≤ 6%) | ≤ 400 N/mm² | 1xD | 0,1xD | 130 | 0.039 | 0.047 | 0.056 | 0.066 | 0.088 | 0.111 |
N.4 | Cooper-zinc alloys, cooper-tin alloys | ≤ 800 N/mm² | 1xD | 0,1xD | 70 | 0.03 | 0.036 | 0.043 | 0.051 | 0.081 | 0.111 |
S.1 | Chrome-nickel alloys | ≤ 1500 N/mm² | 1xD | 0,1xD | 23 | 0.03 | 0.036 | 0.043 | 0.051 | 0.081 | 0.111 |
S.2 | Titanium, Titanium alloys | ≤ 1250 N/mm² | 1xD | 0,1xD | 23 | 0.021 | 0.025 | 0.031 | 0.036 | 0.048 | 0.06 |
Calculations of cutting conditions
Product attributes
Clamping element
more +Straight shank with clamping flat (Weldon) according to DIN 1835 B.
Tool geometry
more +Helix angle = 30°.
Rake angle = 12°.
End face design - radius
Coating AlTiN
more +Offers similar qualities as TiAlN, but even higher hardness. Substanial temperature stability. Designed for the most demanding applications. It provides excellent result mainly when combined with HSSE-PM steels (ASP 2030). The milling cutters manufactured from this steel are coated with AlTiN as standard.
Type N
more +Universal usage. Suitable for materials up to strength 900 MPa.
Feed direction possibility
Material HSSE-PM
more +Extra high performance high speed steel produced by powder metallurgy. It has a homogeneous structure resulting in higher dimension stability and longer tool life. It is applicable for machining of materials with very high strength and materials hard to machine, such as Titanium and its alloys. The milling cutters made from this material are delivered with AlTiN coating as a standard.