Hardened Steel BNC2010/BNC2020

Cutting Performance

BNC2010 BNC2020

After cutting 8km After 7 cutting: Conventional Coated CBN

6■ BNC2020
3km
5
4Conventional coated CBN
Flank wear occurs ● ■ Conventional1,8 times
coated CBNthe3km
3■conventional
After cutting 8km BNC2010 ●tool life
2●
●■Competitor‘s
1coated CBN2,5km

0 1,0 2,0 3,0 4,0 BNC2010 0 2,5 5,0

Cutting Distance (km) Reduced flank wear Cutting Distance (km)

Work Material:15CrMo5, 58-62HRC, ContinuousWork Material:SCM415-5V, 58-62HRC, Interrupted
Insert:DNGA150408NC4 (BNC2010)Insert:CNGA120412NC4 (BNC2020)
Cutting Edge Treatment: S01225Cutting Edge Treatment: S01225
Cutting Conditions:v =160m/min, f=0,08mm/rev, a =0,1mm, WetCutting Conditions:vc=130m/min, f=0,1mm/rev, ap=0,6mm, Dry

c p Application Example Continuous External Turning of Main Shaft Carburised Layer Removal for Sun Gears BNC2010 provides excellent wear resistance and achieves excellent surface BNC2020 achieves a longer tool life in high load cutting.

roughness. 100

2,3 x3001,5 x
tool lifetool life
200
50
100
Surface Roughness Ra=0,6µm00
BNC2010 ConventionalBNC2020Conventional
coated CBNcoated CBN
Insert:DNGA150408NC4 (BNC2010)Insert:DNGA120408NC4 (BNC2020)
Cutting Conditions:vc=200m/min, f=0,10mm/rev, ap=0,35mm, DryCutting Conditions:vc=100m/min, f=0,15mm/rev, ap=0,5mm, Wet

Facing of CVJ Outer Race Interrupted Machining of CVJ Cage Window

BNC2010 with a WH type wiper insert maintains excellent surface finish for BNC2020 strong edge HS type provides stable performance in interrupted an extended time. cutting.

700 300 1,5 x

1,8 x tool life tool life 500 200 300 100

0 0

Surface Roughness Ra=1,6µmBNC2010ConventionalBNC2020Conventional
WH typecoated CBNStrong edge typecoated CBN
wiper insertsHS type
Insert:CNGA120412NCWH2 (BNC2010)Insert:TNGA160420HSNC3 (BNC2020)
Cutting Conditions:vc=150m/min, f=0,2mm/rev, ap=0,2mm, DryCutting Conditions:vc=120m/min, f=0,10mm/rev, ap=0,15mm, Dry

Cutting Edge Preparation

GradeEdge Treatment General Edge TreatmentEdge Treatment Strong Edge Type: HS
BNC2010S01225S01730
BNC2020S01225S02735

R

S 0 1 2 2 5

W: Negative land α: Negative land width angle Cutting edge: T - Negative land S - Negative land + R - Honing