CBN - Coated SUMIBORON BNC8115 Coated CBN - SUMIBORON/ CBN - SUMIBORON BNC8115/BNS8125
PVD coating with excellent wear resistance suppresses ank wear in machining of exotic alloy cast iron and hardened steel Ideal for roughing at depths of .02” to .10” inch, can also be used for roughing and nishing of gray cast iron Gold-colored coating for improved visibility of used corners
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Adopts a PVD coating with excellent wear resistance in ductile cast iron machining Signi cantly suppresses ank wear compared to conventional solid CBN █ Wear Resistance (Ductile Cast Iron Machining)
.0015 .0030 .0060 .0075 .0045
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Conventional Tool
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BNC8115 D D
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D D
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D
BNC8115 (After Cutting 8:20 (min:sec))
Conventional Tool (Uncoated) (After Cutting 8:20 (min:sec))
1:40 3:20 5:00 6:40 8:20
0
Cutting Time (min:sec)
Part Material: Ductile Cast Iron - FCD450 (Round Bar) Tool Used: SNG322 Cutting Conditions: v c = 984 SFM, f = .008 IPR, a p = .008” Wet
█ Wear Resistance (Hardened Steel Machining) The use of PVD coating with excellent wear resistance on a high-strength solid CBN substrate realizes high fracture resistance and wear resistance even in hardened steel machining
.016
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Conventional Tool
.012
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.008
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BNC8115
.004
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1:40 3:20 5:00 6:40 8:20
BNC8115 (After Cutting 3:20 (min:sec))
Conventional Tool (Uncoated) (After Cutting 3:20 (min:sec) )
0
Cutting Time (min:sec)
Part Material: 52100 Bearing Steel 58-62 HRC (Round Bar) Tool Used: SNG322 Cutting Conditions: v c = 492 SFM, f = .008 IPR, a p = .12” Wet
3
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