Coated CBN Brochure 2021

Coated CBN for Hardened Steel Machining BNC2115 / BNC2125 / BNC2010 / BNC2020 / BNC300

■ CBN Substrate and Coating Structure

BNC2115

BNC2125

High-precision Machining (Medium- to High-speed)

General Machining (Medium- to High-speed)

Coating Thickness: 3μm

Coating Thickness: 3μm

Colored Layer (Gold)

Colored Layer (Silver)

TiAlSiN Super Multi-Layered Coating TiCN Layer TiAlSiN Super Multi-Layered Coating

Crater Wear Suppressed Notch Wear Suppressed Surface Roughness Maintained

Improved Adhesion Strength Tough CBN Substrate Improved Chipping Resistance Improved Wear Resistance

TiAlBN Super Multi-Layered Coating

TiCN Layer

TiAlSiN Super Multi-Layered Coating

Improved Adhesion Strength

Highly Adhesive Layer

Highly Adhesive Layer

Tough CBN Substrate

Thick layer of super multi-layered ultra-fine TiAlBN coating with high strength and high hardness coupled with a tough substrate achieve high performance on a wide range of applications

Thick layers of high-strength TiAlSiN super multi-layered coating and highly heat-resistant TiCN coating are applied to a tough substrate to realize excellent surface finish quality

BNC2020

BNC2010

General-purpose Machining (Low- to Medium-speed, Unstable Cutting)

High-precision Machining (Low- to Medium-speed)

Coating Thickness: 2μm

Coating Thickness: 2μm

Colored Layer (Gold)

Colored Layer (Gold)

Improved Wear Resistance

TiCN Layer

AlCrN Multilayer Coating

Improved Wear Resistance

TiAlN Layer

TiCN Layer

Notch Wear Suppressed

AlCrN Multilayer Coating

TiCN Layer AlCrN Multilayer Coating

Improved Adhesion Strength

Highly Adhesive Layer

High Wear Resistance CBN Substrate

Tough CBN Substrate

Laminated high-strength AlCrN multi-layered coating and highly heat-resistant TiCN coating are applied to a highly wear-resistant substrate to maintain excellent surface finish quality

Application of highly wear-resistant TiAlN coating to a tough substrate dramatically improves machining stability in low-rigidity setups and high-load cutting

■ Recommended Cutting Conditions

Recommended Cutting Conditions Cutting Speed v c (SFM) Feed Rate f (IPR)

Depth of Cut a p (Inch) Min. - Optimum - Max.

Part Material

Grade

BNC2115 BNC2125 BNC2010 BNC2020 BNC300

.008 .012 .008 .012 .008

.014 .020 .014 .020 .014

- - - - -

- - - - -

.001 .002 .001 .002 .001

600 530 450 400 330

990 990 600 600 500

- - - - -

- - - - -

360 360 165 165 165

.004 .008 .004 .008 .004

.008 .016 .008 .016 .008

- - - - -

- - - - -

.001 .002 .001 .001 .001

Hardened Steel

3

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