Coated CBN for Hardened Steel Machining BNC2105/BNC2115 / BNC2125 / BNC2010 / BNC2020 / BNC300
Application Examples of BNC2010 / BNC2020 / BNC300
1045 Hardened Steel CVJ Outer Race (60HRC)
5120 Hardened Steel Gear (60HRC)
BNC2010 WH wiper insert promotes excellent surface roughness for an extended time
BNC2020 with high-precision LT cutting edge treatment suppresses burrs and improves tool life
Tool Life Determinant: Surface Roughness
Tool Life Determinant: Burrs
Surface Roughness Rz = 1.6μm
700
300
500
200
300
100
0
0
BNC2010 +WH
BNC2020 +LT
Conventional Tool
Conventional Tool
Tool: 2NC-CNGA432LT (BNC2020) Cutting Conditions: vc = 330SFM, f = .0039 IPR, ap = .0059” Dry
Tool: 2NC-CNGA433WH (BNC2010) Cutting Conditions: vc = 500 SFM, f = .0079 IPR, ap = .0079” Dry
BNC2020 with high-e ciency ES cutting edge treatment suppresses fractures due to crater wear and promotes long tool life 5120 Hardened Steel Shaft (60HRC)
4130 Hardened Steel Gear (62HRC)
BNC300 with strong edged HS cutting edge treatment enables stable machining without fractures in interrupted cutting
Tool Life Determinant: Tool Fracture
Tool Life Determinant: Dimensions
Stable cutting
300
100
Dimensional defect
200
50
100
0
0
BNC2020 +ES
BNC300 +HS
Conventional Tool
Competitor's Product F
Tool: 4NC-DNGA432HS (BNC300) Cutting Conditions: vc = vc = 330 SFM, f = .0039 IPR, ap = .0118” Dry
Tool: 4NC-DNGA432ES (BNC2020) Cutting Conditions: vc = 500 SFM, f = .0059 IPR, ap = .0039” Dry
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