MOLD FINISH MASTER SUMIBORON Ballnose Endmills BNBP Type
Hardened Steel 45 to 55HRC
Hardened Steel 55 to 60HRC
Hardened Steel 60 to 65HRC
Pre-hardened Steel
Ballnose
Flutes
Side Milling
Face Milling
R-Grooving
Profiling
Fig 1
RE ±0.005
15˚
APMX
LU
LF
L
Body
Dimensions ( mm )
Radius RE
Dia. DC
Cutting Edge Length APMX
Overall Length LF
Neck Length LU
Head Dia. DN
Shank Dia. DMM
Cat. No.
Fig
BNBP2R020-0124 BNBP2R020-0126 BNBP2R020-0204 BNBP2R020-0304 BNBP2R020-0404 BNBP2R030-0154 BNBP2R030-0156 BNBP2R030-0304 BNBP2R030-0404 BNBP2R030-0504 BNBP2R030-0604 BNBP2R050-0254 BNBP2R050-0256 BNBP2R050-0304 BNBP2R050-0404 BNBP2R050-0604 BNBP2R050-0804 BNBP2R075-0404 BNBP2R075-0406 BNBP2R100-0554 BNBP2R100-0556 BNBP2R100-0804
0.20 0.20 0.20 0.20 0.20 0.30 0.30 0.30 0.30 0.30 0.30 0.50 0.50 0.50 0.50 0.50 0.50 0.75 0.75 1.00 1.00 1.00
0.4 0.4 0.4 0.4 0.4 0.6 0.6 0.6 0.6 0.6 0.6 1.0 1.0 1.0 1.0 1.0 1.0 1.5 1.5 2.0 2.0 2.0
0.3 0.3 0.3 0.3 0.3 0.4 0.4 0.4 0.4 0.4 0.4 0.6 0.6 0.6 0.6 0.6 0.6 0.9 0.9 1.4 1.4 1.4
1.2 1.2 2.0 3.0 4.0 1.5 1.5 3.0 4.0 5.0 6.0 2.5 2.5 3.0 4.0 6.0 8.0 4.0 4.0 5.5 5.5 8.0
50 50 50 50 50 50 50 50 50 50 50 50 50 50 50 50 50 50 50 50 50 50
0.37 0.37 0.37 0.37 0.37 0.57 0.57 0.57 0.57 0.57 0.57 0.97 0.97 0.97 0.97 0.97 0.97 1.47 1.47 1.97 1.97 1.97
4 6 4 4 4 4 6 4 4 4 4 4 6 4 4 4 4 4 6 4 6 4
1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1
Grade: BN350
Identification Code BNBP 2 R030 - 015 4
Series Code
Number of Teeth
Ballnose Radius
Neck Length
Shank Dia.
Recommended Cutting Conditions 1. Use a machine with high rigidity for stable cutting. 2. Non-water soluble cutting oil is recommended. Supply as a mist or external coolant. Take fire prevention precautions to avoid fire hazards caused by sparks igniting during machining or tool breakage. 3. Shorten overhang as much as possible. 4. Adjust cutting conditions according to actual conditions as machine rigidity and other conditions may vary. 5. Depths of cut shown in the table of conditions are maximum depths. Adjust the actual depth of cut to the desired machined surface roughness. Part Material STAVAX, NAK80, SKD61 (Up to 52HRC) ELMAX, DC53, SKD11 Modified (Up to 62HRC)
YXR3, SKH (Up to 70HRC)
Feed Rate (mm/min)
Feed Rate (mm/min)
Feed Rate (mm/min)
Spindle Speed (min -1 )
Spindle Speed (min -1 )
Spindle Speed (min -1 )
RE ( mm )
LU ( mm )
a p ( mm )
p f ( mm )
a p ( mm )
p f ( mm )
a p ( mm )
p f ( mm )
1.2 2.0 3.0 4.0 1.5 2.0 3.0 4.0 5.0 6.0 2.5 3.0 4.0 6.0 8.0 5.5 8.0
0.005 0.010 0.005 0.010 0.005 0.010 0.005 0.010 0.020 0.020 0.010 0.020 0.010 0.020 0.010 0.010 0.010 0.010 0.005 0.010 0.040 0.050 0.040 0.050 0.030 0.050 0.020 0.030 0.020 0.020 0.030 0.030 0.050 0.050 0.030 0.050
0.005 0.010 0.005 0.010 0.005 0.010 0.005 0.005 0.010 0.020 0.010 0.020 0.010 0.020 0.010 0.010 0.005 0.010 0.005 0.005 0.030 0.040 0.030 0.040 0.020 0.030 0.010 0.020 0.010 0.020 0.020 0.030 0.030 0.030 0.020 0.030
0.005 0.005 0.005 0.005 0.005 0.005 0.005 0.005 0.010 0.020 0.010 0.010 0.010 0.010 0.005 0.010 0.005 0.005 0.005 0.005 0.020 0.030 0.020 0.030 0.020 0.020 0.010 0.010 0.010 0.010 0.020 0.020 0.020 0.030 0.010 0.020
40,000 1,000
40,000 40,000 40,000 40,000
40,000 40,000 40,000 40,000
800 600 500 400
600 400 300 200
40,000 40,000 40,000
800 600 500
0.2
40,000 1,600 40,000 1,500 40,000 1,400 30,000 1,200 40,000 2,800 40,000 2,600 40,000 2,400 25,000 1,500 30,000 30,000 800 600 16,000 1,200 32,000 2,400 40,000 4,000 32,000 3,000
40,000 1,400 40,000 1,300 40,000 1,200 30,000 1,000 40,000 2,800 40,000 2,600 40,000 2,400 25,000 1,500 30,000 30,000 700 500 16,000 1,100 32,000 2,200 40,000 4,000 32,000 2,600
40,000 1,200 40,000 1,100 40,000 1,000
0.3
30,000 30,000 30,000
700 600 400
40,000 2,200 40,000 2,100 40,000 2,000 25,000 1,300 32,000 2,000 40,000 3,000 32,000 2,200 16,000 850
0.5
0.75 4.0
1.0
L130
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