Coated CBN Grades for Hardened Steel Machining BNC2105 / BNC2115 / BNC2125 / BNC2135 / BNC2010 / BNC2020
Cutting Performance BNC2135
BNC2135
Heavy Interrupted Cutting (Fracture Resistance)
Continuous Cutting (Wear Resistance)
.0040
After Machining 1.8mi
2x Fracture Life Stability Compared to Competitor's Product
.0032
Competitor's Product C (Coated CBN)
BNC2135
Competitor's Product C (Coated CBN) Flank Wear Progresses After Machining 1.8mi Flank Wear Width: 96 μ m
.0024
Wear Resistance 2x Greater than Competitor's Product BNC2135
.0016
Competitor's Product C (Coated CBN)
.0008
BNC2135 Flank Wear Suppressed Flank Wear Width: 36 μ m
0
10 20 30 40 50 No. of Passes until Tool Fracture
0
0.6
1.2
1.8
Cutting Distance (mi)
Workpiece Material: SCM415H Heavy Intermittent Grooved Facing (58 to 62 HRC) Insert:: 4NCCNGA432 Cutting Conditions: vc = 395 SFM, f = .004 IPR, ap = .008” Wet
Workpiece Material: SCM415H (58 to 62HRC) Insert: 4NCCNGA432 Cutting Conditions: vc = 395 SFM, f = .004 IPR, ap = .008” Wet
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
BNC2020
μ
6.0
Competitor's Coated CBN C Notch Wear Generated
Conventional Coated CBN
BNC2010 Good Surface Roughness
4.0
After Cutting 3.73 mi
2.0
Competitor's Coated CBN D
BNC2010 Notch Wear Suppressed
0
1.55
0
Cutting Distance (miles) 1.25 2.50 3.75
5
3.10
Tool Life (mi)
Workpiece Material: SCM415H (58-62HRC) Insert: 4NCDNGA432 Cutting Conditions: vc = 400 SFM, f = .0055 IPR, ap = .0059” Wet
Workpiece Material: SCM415H with 5 grooves (58 to 62HRC) Insert: 4NCCNGA433 Cutting Conditions: vc = 425 SFM, f = .0039 IPR, ap = .0236” Dry
5
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