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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