Каталог Sumitomo пластины с кубическим нитридом бора Sumiboron - страница 15

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Characteristics of Coated Grades

New-Generation Coated SUMIBORON Released

High Precision MachinningHigh Precision Machinning New-Generation Coated SUMIBORON

BNC2010BNC2010

General and High Efficiency CuttingGeneral and High Efficiency Cutting

BNC2020BNC2020

High Speed CuttingHigh Speed Cutting

BNC100BNC100

High Precision MachinningHigh Precision Machinning

BNC160BNC160

General and High Efficiency CuttingGeneral and High Efficiency Cutting

BNC200BNC200

Heavy Interrupted CuttingHeavy Interrupted Cutting

BNC300BNC300

Fracture Resistance Excellent

  • Characteristics of Grades BNC2010

Newly developed CBN substrate with high crater wear resistance

CBN Content : 50 to 55%

Grain Size: 2μmcoated with special multi-layered TiCN, which exhibits excellent
Hardness HV : 30 to 32GPa
TRS: 1.10 to1.20GPanotch wear resistance.

Main Coating : Multi-layered TiCN Components Coating Thickness : 1.5μm Ideal for finishing of hardened steel requiring excellent accuracy or surface roughness. Able to stably maintain 1.6S finishing.

High Precision MachinningHigh Precision Machinning

BNC2020

Newly developed tough CBN substrate with highly wear-resistant TiAlN

CBN Content: 70 to 75%coating. Provides improved stability by inserting a highly adhesive layer
Grain Size: 5μm
Hardness HV : 34 to 36GPabetween the substrate and the TiAlN layer.
TRS: 1.20 to 1.30GPa
Main Coating: Multi-layered TiAlNIdeal for general machining including finishing and interrupted cutting as
Components
Coating Thickness : 1.5μm
well as high-efficiency machining such as carburized layer removal.
General and High Efficiency CuttingGeneral and High Efficiency Cutting
BNC100BNC160BNC200BNC300
CBN: 40 to 45％CBN: 60 to 65％ CBN: 65 to 70％CBN: 60 to 65％
ContentContentContentContent
Grain Size : 1μmGrain Size : 3μmGrain Size : 4μmGrain Size : 1μm
Hardness HV : 29 to 32GPaHardness HV : 31 to 33GPaHardness HV : 33 to 35GP aHardness HV : 33 to 35GPa
TRS: 1.05 to 1.15GPaTRS: 1.10 to 1.20GPa TRS: 1.15 to 1.25GPaTRS: 1.15 to 1.25GPa
Main Coating : TiAlN/TiCNMain Coating : TiAlN/TiCNMain Coating : TiAlNMain Coating : TiAlN
ComponentsComponentsComponentsComponents
Coating: 2.0μmCoating: 2.0μm Coating: 2.0μmCoating: 1.0μm
ThicknessThicknessThicknessThickness
High Speed CuttingHigh Speed Cutting High Precision MachinningHigh Precision MachinningGeneral and High Efficiency CuttingGeneral and High Efficiency CuttingHeavy Interrupted CuttingHeavy Interrupted Cutting

L

  • Recommended Cutting Conditions
Cutting Speed v （m/min）Feed Rate（mm/rev）Depth of Cut（mm）
c
GradeGrade
300 250 ） ）200 （ （ 150 ） （ 100 5000.1 0.20.30.5 0.4
220 180 120
BNC2010BNC20100.030.25
0.030.35
BNC2020BNC20200.030.40
0.030.50
BNC300BNC3000.030.20
0.030.30
BNC100BNC1000.030.20
0.030.30
BNC160BNC1600.030.20
0.030.35
BNC200BNC2000.050.35