BNC2115 / BNC2125 / BNC2010 / BNC2020 / BNC300 Coated CBN for Hardened Steel Machining BNC2115 / BNC2125 / BNC2010 / BNC2020 / BNC300
█ Application Examples of BNC2010/BNC2020/BNC300 Hardened Steel CVJ Outer Race (1045) (60HRC)
Hardened Steel Gear (5120H) (60HRC)
BNC2010 with a WH type wiper insert maintains excellent surface roughness longer
BNC2020 high-precision LT Type cutting edge treatment suppresses burrs and improves tool life
Tool Life Determinant: Surface Roughness
Tool Life Determinant: Burrs
Surface Roughness Rz = 1.6 μ m
700
300
500
200
300
100
0
0
BNC2010 +WH
BNC2020 +LT
Conv.
Conv.
Tool: 2NCCNGA432LT-BNC2020 Cutting Conditions: v c = 330 SFM f = .0039 IPR a p = .0059” Dry Hardened Steel Gear (4130H) (62HRC) BNC300 strong edged HS Type cutting edge treatment enables stable machining without fractures in interrupted cutting
Tool: 2NCCNGA433WH-BNC2010 Cutting Conditions: v c = 500 SFM f = .0079 IPR a p = .0079” Dry
Hardened Steel Shaft (5120H) (60HRC)
BNC2020 high-efficiency ES Type cutting edge treatment suppresses fractures due to crater wear and offers long tool life
Tool Life Determinant: Tool Fracture
Tool Life Determinant: Dimensions
Stable cutting
300
100
Dimensional defect
200
50
100
0
0
BNC2020 +ES
BNC300 +HS
Conv.
Comp's D
Tool: 4NCDNGA432ES-BNC2020 Cutting Conditions: v c = 500 SFM f = .0059 IPR a p = .0039” Dry
Tool: 4NCDNGA432HS-BNC300 Cutting Conditions: v c = 330 SFM f = .0039 IPR a p = .0118” Dry
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