Coated CBN Brochure 2025

Coated CBN Grades for Hardened Steel Machining BNC2105 / BNC2115 / BNC2125 / BNC2135 / BNC2010 / BNC2020

 Application Examples of BNC2135 / BNC2010 / BNC2020

SCM420H Hardened Steel Hydro Chuck (58HRC)

BNC2135 with strong edged HS cutting edge treatment suppresses fractures in heavy interrupted cutting, improving tool life SCr420H Hardened Steel Gear (60HRC) BNC2135

BNC2135

BNC2135 has better fracture resistance than competitor’s coated CBN, achieving longer tool life

Tool Life Determinant: Dimensions

Tool Life Determinant: Tool Fracture

40

300

30

200

20

100

10

0

0

BNC2135 +HS

BNC2135 Competitor's Product F

Competitor's Product G

Insert: 4NCDNGA431 (BNC2135) Cutting Conditions:

Insert: 4NCCNGA431HS (BNC2135) Cutting Conditions:

vc = 330 SFM, f = .004 IPR ap = .002” Wet

vc = 330 SFM, f = .008 IPR ap = .004” Dry

S55C Hardened Steel Clutch Component (55HRC)

S45C Hardened Steel CVJ Outer Race (60HRC) BNC2010 WH type wiper insert maintains excellent surface roughness for a long time BNC2010

BNC2135

BNC2135 suppresses fractures to achieve stable machining in addition to longer tool life

Tool Life Determinant: Tool Fracture

Tool Life Determinant: Surface Roughness

Stable tool life

Surface Roughness Rz = 1.6μm

120

700

90

500

Unstable tool life

60

300

30

0

0

BNC2135 Competitor's Product H

BNC2010 +WH

Conventional Tool

I nsert: 4NCCNGA432 (BNC2135) Cutting Conditions:

Insert: 2NCCNGA433WH (BNC2010) Cutting Conditions: vc = 495 SFM, f = 008 IPR ap = .008” Dry BNC2020 with high-e¤ciency ES type cutting edge treatment suppresses fractures due to crater wear and o„ers long tool life SCr420H Hardened Steel Shaft (60HRC) BNC2020

vc = 165 SFM, f = .004 IPR ap = .004” Dry

SCr420H Hardened Steel Gear (60HRC)

BNC2020

BNC2020 with high-precision LT type cutting edge treatment suppresses burrs and improves tool life

Tool Life Determinant: Burrs

Tool Life Determinant: Tool Fracture

300

300

200

200

100

100

0

0

BNC2020 +ES

BNC2020 +LT

Conventional Tool

Conventional Tool

Insert: 2NCCNGA432LT (BNC2020) Cutting Conditions: vc = 330 SFM, f = .004 IPR ap = .006” Dry

Insert: 4NCDNGA432ES (BNC2020) Cutting Conditions: vc = 495 SFM, f = .006 IPR ap = .004” Dry

11

Made with FlippingBook flipbook maker