Shell end mills, semicoarse teeth, type HR
D
js 16 |
d
H 7 | l1 | Z | Item code | On stock |
---|---|---|---|---|---|
40 | 16 | 32 | 8 | 628275.040 | No |
50 | 22 | 36 | 8 | 628275.050 | No |
63 | 27 | 40 | 10 | 628275.063 | No |
80 | 27 | 45 | 10 | 628275.080 | Yes |
100 | 32 | 50 | 12 | 628275.100 | No |
Cutting conditions
Material |
Strength |
Ap |
Ae |
Vc |
fz(mm/z) Ø 40 |
Ø 50 |
Ø 63 |
Ø 80 |
Ø 100 |
---|---|---|---|---|---|---|---|---|---|
P.2 | General construction steels, steel castings | ≤ 850 N/mm² | 0,8xl1 | 0,75xD | 32,5 | 0.096 | 0.102 | 0.12 | 0.132 | 0.138 |
P.3 | Tool steels low alloyed | ≤ 1100 N/mm² | 0,8xl1 | 0,75xD | 18 | 0.096 | 0.102 | 0.12 | 0.132 | 0.138 |
P.4 | Heat treatable steels | ≤ 900 N/mm² | 0,8xl1 | 0,75xD | 25 | 0.096 | 0.102 | 0.12 | 0.132 | 0.138 |
P.5 | Tool steels high alloyed | ≤ 1100 N/mm² | 0,8xl1 | 0,75xD | 18 | 0.096 | 0.102 | 0.12 | 0.132 | 0.138 |
M.2 | Corrosion- and acid-proof steels | 750 - 850 N/mm² | 0,8xl1 | 0,75xD | 10 | 0.096 | 0.102 | 0.12 | 0.132 | 0.138 |
K.2 | Cast iron (> 240 HB) | > 800 N/mm² | 0,8xl1 | 0,75xD | 22 | 0.096 | 0.102 | 0.12 | 0.132 | 0.138 |
S.1 | Chrome-nickel alloys | ≤ 1500 N/mm² | 0,8xl1 | 0,75xD | 8 | 0.067 | 0.071 | 0.084 | 0.092 | 0.097 |
Calculations of cutting conditions
Product attributes
Clamping element
more +Straight bore with standard keyway and driving slot according to DIN 138.
Tool geometry
more +Helix angle = 30°.
Rake angle = 10°.
Material HSS Co5
more +Very high performance high speed steel with good toughness for milling cutters and for milling of materials up to the strength of 1200 MPa.
Type HR
more +For roughing operation and materials of medium and higher strength (up to 1200 MPa), surface roughness Ra 6,3 and more.