CBN - SUMIBORON Ballnose Endmills BES Type
Cast Iron
Rake Angle
Radial
0°
to
Axial
0°
Fig 1
Fig 2
RE
RE
APMX
APMX
LH
LS
LH
LS
LF
LF
L
● High-speed Endmilling of Cast Iron Die Molds ● Balanced cutting with 2 effective teeth for high-efficiency finishing process.
● Unique blade type design with improved central insert fracture resistance for high-precision machining. ● Good fracture and wear resistance with SUMIBORON BN500 grade for longer FC/FCD materials tool life.
Body
Dimensions (mm)
Ballnose Radius RE
Dia. DC
Depth APMX
Head LH
Shank LS
Overall Length LF
Shank DMM
Cat. No.
Stock
Fig
BES 160S BES 200S BES 250S BES 300S BES 400S BES 500S
8.0
16 20 25 30 40 50
10.0 13.0 15.5 18.0 23.0 28.0
50 60 70 80
60 80 80 80
110 140 150 160 200 220
20 25 32 32 42 50
1 1 1 1 2 2
10.0 12.5 15.0 20.0 25.0
100 120
100 100
Inserts are sold separately. Insert (
SUMIBORON)
Dimensions (mm)
Ballnose Radius RE
Depth APMX
Length L
Width W1
Thickness S
Applicable Endmill
Cat. No.
Fig
BEST 160S BEST 160L BEST 200S BEST 200L BEST 250S BEST 250L BEST 300S BEST 300L BEST 400S BEST 400L BEST 500S BEST 500L
1 1 1 1 1 1 1 1 2 2 2 2
8.0 8.0
10.0 13.0 6.8 3.5 13.0 13.0 6.8 3.5 13.0 20.0 8.5 4.5 20.0 20.0 8.5 4.5 15.5 22.5 10.5 5.0 22.5 22.5 10.5 5.0 18.0 25.0 12.0 6.0 25.0 25.0 12.0 6.0 23.0 30.0 16.0 7.5 30.0 30.0 16.0 7.5 28.0 35.0 20.0 8.0 35.0 35.0 20.0 8.0
BES 160S
Fig 1
Fig 2
10.0 10.0 12.5 12.5 15.0 15.0 20.0 20.0 25.0 25.0
RE
RE
BES 200S
BES 250S
APMX
S
APMX
S
BES 300S
L
L
BES 400S
BES 500S
Parts
Clamp Double Screw
Flat Screw Wrench Wrench
Applicable Endmill
N m
- - - -
BFTX 0306N 2.0 TRX 10 - BFTX 0407N 3.0 TRX 15 - BFTX 0509N 5.0 TRX 20 - BFTX 0511N 5.0 TRX 20 -
BES 160S - BES 200S - BES 250S - BES 300S -
Important Notes (1) Use a high-rigidity machine and select a high cutting speed with a low depth of cut. (2) Use dry cutting conditions.
LH 030 LH 040 LH 030 LH 040
-
BES 400S CCM 6BL WB 6-13 BXF 0616 -
BES 500S CCM 6BL WB 6-16 BXF 0616 -
-
(Min. - Optimum - Max.)
Recommended Cutting Conditions
Cast Iron (FC)
Ductile Cast Iron (FCD)
ISO Cat. No.
Pitch feed p f (mm)
Pitch feed p f (mm)
Cutting Speed v
c (m/min)Feed Rate
f (mm/rev)Depth of Cut a
p (mm)
Cutting Speed v
c (m/min)Feed Rate
f (mm/rev)Depth of Cut a
p (mm)
K BES 160S 250 - 500 - 1000 0.1 - 0.2 - 0.4 0.1 - 0.3 - 0.4 0.2 - 0.3 - 0.5 250 - 500 - 1000 0.1 - 0.2 - 0.3 0.1 - 0.2 - 0.3 0.2 - 0.3 - 0.5 BES 200S 250 - 600 - 1250 0.2 - 0.4 - 0.6 0.1 - 0.3 - 0.4 0.3 - 0.5 - 0.7 250 - 600 - 1250 0.1 - 0.3 - 0.5 0.1 - 0.2 - 0.4 0.3 - 0.5 - 0.7 BES 250S 300 - 750 - 1500 0.3 - 0.5 - 0.7 0.2 - 0.4 - 0.5 0.4 - 0.6 - 0.9 300 - 750 - 1500 0.2 - 0.4 - 0.6 0.2 - 0.3 - 0.5 0.4 - 0.6 - 0.9 BES 300S 350 - 800 - 1500 0.3 - 0.5 - 0.7 0.2 - 0.4 - 0.5 0.5 - 0.8 - 1.1 350 -800 - 1500 0.2 - 0.4 - 0.6 0.2 - 0.3 - 0.5 0.5 - 0.8 - 1.1 BES 400S 500 - 1000 - 1500 0.3 - 0.6 - 1.0 0.3 - 0.5 - 0.7 0.6 - 1.0 - 1.4 500 - 1000 - 1500 0.2 - 0.5 - 0.8 0.3 - 0.4 - 0.7 0.6 - 1.0 - 1.4 BES 500S 600 - 1200 - 1500 0.3 - 0.6 - 1.0 0.3 - 0.5 - 0.7 0.8 - 1.3 - 1.8 600 - 1200 - 1500 0.2 - 0.5 - 0.8 0.3 - 0.4 - 0.7 0.8 - 1.3 - 1.8
L127
N m Recommended Tightening Torque (N·m)
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