Coated CBN - SUMIBORON for Hardened Steel Machining BNC2115 / BNC2125 / BNC2010 / BNC2020 Hardened Steel CBN Substrate and Coating Structure
BNC2105 Cutting Performance
High-precision Machining (High-speed)
Coating Thickness: 3 μ m
Colored Layer (Gold)
BNC2010
BNC2020
Continuous Cutting (Machined Surface Roughness)
Interrupted Cutting (Fracture Resistance)
Good Fracture Resistance
8.0
After Cutting 3.73 mi
Competitor's Coated CBN C
TiAlN Super Multi-layered Coating
Improved Wear Resistance
BNC2020
6.0
Competitor's Coated CBN C Notch Wear Generated
Conventional Coated CBN
BNC2010 Good Surface Roughness
4.0
L
After Cutting 3.73 mi
High Wear Resistance CBN Substrate Improved Adhesion Strength BNC2010 Notch Wear Suppressed
Highly Adhesive Layer
2.0
Competitor's Coated CBN D
0
1.55
0
Cutting Distance (miles) 1.25 2.50 3.75
5
3.10
Tool Life (mi)
Highly wear-resistant TiAlN super multi-layered coating is made thicker. Utilizes long tool life in high-speed cutting in combination with a substrate using a newly developed TiCN binder with excellent thermal resistance Work Material: SCM415H (58-62HRC) Tool Cat. No.: 4NC-DNGA432 Cutting Conditions: vc = 400 SFM, f = .0055 IPR, ap = .0059”Wet
Work Material: SCM415H with 5 grooves (58 to 62HRC) Tool Cat. No.: 4NC-CNGA433 Cutting Conditions: vc = 425 SFM, f = .0039 IPR, ap = .0236” Dry
BNC2115
BNC2125
High-precision Machining (Medium- to High-speed)
General-purpose Machining (Medium- to High-speed)
Coating Thickness: 3 μ m
Coating Thickness: 3 μ m
Colored Layer (Gold) TiAlSiN Super Multi-Layered Coating TiCN Layer TiAlSiN Super Multi-Layered Coating
Colored Layer (Silver)
BNC300
Interrupted Cutting (Fracture Resistance)
Suppresses Notch Wear Surface Roughness Maintained Suppresses Crater Wear
TiAlBN Super Multi-layered Coating
Competitor's Coated CBN E Fracture
Improved Chipping Resistance Improved Wear Resistance
Conventional Uncoated CBN
.004
Coating chip-o
BNC300 Able to continue
TiCN Layer
D
TiAlSiN Super Multi-Layered Coating D D
.002
F
Tough CBN Substrate Improved Adhesion Strength
Improved Adhesion Strength Tough CBN Substrate
D
Highly Adhesive Layer
Highly Adhesive Layer
D
0
0.62
1.25 1.86 2.50 3.10
Thick layers of high-strength TiAlSiN super multi-layered coating and highly heat-resistant TiCN coating are applied to a tough substrate to provide excellent surface finish quality Work Material: Grooved 5120 (58 to 62 HRC) Tool Cat. No.: 4NC-CNGA432 Cutting Conditions: vc = 400 SFM, f = .004 IPR, ap = .008” Dry Cutting Distance (miles)
Thick layer of super multi-layered ultra-fine TiAlBN coating with high strength and high hardness coupled with a tough substrate achieves high performance in a wide range of applications
BNC2010
BNC2020
High-precision Machining (Low- to Medium-speed)
General-purpose Machining (Low- to Medium-speed, Unstable Cutting)
Coating Thickness: 2 μ m
Coating Thickness: 2 μ m
Colored Layer (Gold)
Colored Layer (Gold)
Improved Wear Resistance
TiCN Layer
AlCrN Multi-layered Coating
Improved Wear Resistance
TiAlN Layer
TiCN Layer
Suppresses Notch Wear
AlCrN Multi-layered Coating
TiCN Layer AlCrN Multi-layered Coating
Tough CBN Substrate Improved Adhesion Strength
Highly Adhesive Layer
High Wear Resistant CBN Substrate
Stacked 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
L13
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