High Performance End Mills With Corner Radius B278AX
B278AX
Lc
R
L
SMG Carbide
Tool Material/ Coating Type
AITiSiN
Type of Operation
N
R
Specification
55°
-10°
4
Please refer to the cutting condition table. P57
Work Materials ( ◎ The most recommended/ ○ recommended)
Carbon Steel
Tool Steel
Pre-hardend Steel
Nonferrous Metals
Aerospace Materials
Stainless Steel
Alloy Steel
Cast Steel
Pre-hardend Steel
Hardened Steel
Heat- resistant Steel
Composite Material
Aluminium Copper
Plastics
Graphite Titanium Nickel
~30HRC
~48HRC ~56HRC ~68HRC
B278AX
◎ ◎ ◎
※ Feature of product B278AX Long Length End Mills with Corner Radius- 4 Flutes Finishing application for high-hardness contour and profile machining.
Negative rake angle and a small edge cutting land with AlTiSiN coating which has excellent wear resistance. Excellent surface finishing on profile contour machining, able to cut pre-hardened and hardened steel up to HRC70.
Code No. B278AX-Dc × R Dc 0 -0.02
B278AX SMG AlTiSiN 48~68HRC
R ±0.005
Lc mm
L mm
d h6
6 6 6 6 8 8 8 8
R0.2 R0.5
20 20 20 20 25 25 25 25 30 30 30 30 40 40 40 40 50 50 50 50 60 60 60 60
75(80) 75(80) 75(80) 75(80)
6 6 6 6 8 8 8 8
● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ●
R1
R1.5 R0.2 R0.5
100 100 100 100 100 100 100 100
R1 R2
10 10 10 10 12 12 12 12 16 16 16 16 20 20 20 20
R0.2 R0.5
10 10 10 10 12 12 12 12 16 16 16 16 20 20 20 20
R1 R2
R0.2 R0.5
100(110) 100(110) 100(110) 100(110)
R1 R2
R0.5
140 140 140 140 160 160 160 160
R1 R2 R3
R0.5
R1 R2 R3
54
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