Coated CBN Brochure 2021

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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