Coated CBN Grades for Hardened Steel Machining BNC2105 / BNC2115 / BNC2125 / BNC2135 / BNC2010 / BNC2020
Cutting Performance
BNC2105
BNC2105
Continuous Cutting (Wear Resistance)
Continuous Cutting (Wear Resistance)
After Cutting 3.73 mi
After Cutting 3.73 mi
.0040
Chipping
.0064
Conventional Coated CBN
.0032
Competitor's Coated CBN A
.0048
Conventional Coated CBN Flank Wear Width: 152 μ m
BNC2105
Competitor's Coated CBN A
.0024
Chipping Resistance 1.5x Greater than Competitor’s Product
.0032
After Cutting 3.73 mi
After Cutting 3.73 mi
.0016
BNC2105 Wear Resistance 1.5x Greater than Conventional Grades
.0016
.0008
Flank Wear Width: 103 μ m
BNC2105
BNC2105
0
0 0.62 1.25 1.86 2.50 3.10 3.73 4.35
0.62 1.25 1.86 2.50
Cutting Time (miles)
Cutting Time (miles)
Workpiece Material: 52100 (58-62HRC) Insert: 4NCDNGA432 Cutting Conditions: vc = 660 SFM, f = 0.0039 IPR, ap = .0039” Wet
Workpiece Material: SCM415H (58-62HRC) Insert: 4NCDNGA432 Cutting Conditions: vc = 820 SFM, f = .0024 IPR, ap = .0039” Wet
BNC2115
BNC2115 Continuous Cutting (Machined Surface Roughness)
Continuous Cutting (Wear Resistance)
.0028
After Cutting 3.73 mi
.0024
4.0
μ
Competitor's Coated CBN B
Competitor's Coated CBN B
.0020
Competitor's Coated CBN B
BNC2115
.0016
3.0
Wear Resistance 1.3x Greater than Competitor’s Product
.0012
After Cutting 3.73 mi
Good surface roughness maintained 2x Surface Roughness Life Compared to Competitor’s Product BNC2115
2.0
.0008
.0004
BNC2115 Flank Wear Suppressed
1.0
1.25 2.50 3.75 5.00
1.25 2.50 3.75 5.00
0
0
Cutting Time (miles)
Cutting Time (miles)
Workpiece Material: SCM415H (58-62HRC) Insert: 4NCDNGA432 Cutting Conditions: vc = 660 SFM, f = .0039 IPR, ap = .0197” Wet
Workpiece Material: SCM415H (58-62HRC) Insert: 4NCDNGA432 Cutting Conditions: vc = 660 SFM, f = .0039 IPR, ap = .0059” Wet
BNC2125
BNC2125 High-load Cutting (Fracture Resistance)
Continuous Cutting (Wear Resistance)
.0080
After Cutting 3.73 mi
Stable Tool Life
Conventional Coated CBN
.0064
BNC2125
Conventional Coated CBN Flank Wear Progresses
.0048
BNC2125
Wear resistance 1.3x Greater than Conventional Grades
After Cutting 3.73 mi
.0032
Conventional Coated CBN
.0016
BNC2125 Flank Wear Suppressed
Cutting Time (miles) 1.25 2.50 3.75 5.00
0
No. of Passes until Tool Fracture 0 200 400 600 800 1,000 1,200 1,400
Workpiece Material: 52100 (58-62HRC) Insert: 4NCDNGA432 Cutting Conditions: vc = 500 SFM, f = .0039 IPR, ap = .0079” Wet
Workpiece Material: 52100 (58-62HRC) Insert: 4NCDNGA432 Cutting Conditions: vc = 500 SFM, f = .0059 IPR, ap = .0197” 206ft/times Wet
4
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