
After cutting 8km After 7 cutting: Conventional Coated CBN
| 6 | ■ BNC2020 | ||
| 3km | |||
| 5 | |||
| 4 | Conventional coated CBN | ||
| Flank wear occurs ● ■ Conventional | 1,8 times | ||
| coated CBN | the | 3km | |
| 3 | ■ | conventional | |
| After cutting 8km BNC2010 ● | tool life | ||
| 2 | ● | ||
| ●■ | Competitor‘s | ||
| 1 | coated CBN | 2,5km |
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, Continuous | Work Material: | SCM415-5V, 58-62HRC, Interrupted |
| Insert: | DNGA150408NC4 (BNC2010) | Insert: | CNGA120412NC4 (BNC2020) |
| Cutting Edge Treatment: S01225 | Cutting Edge Treatment: S01225 | ||
| Cutting Conditions: | v =160m/min, f=0,08mm/rev, a =0,1mm, Wet | Cutting 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 x | 300 | 1,5 x | |
| tool life | tool life | ||
| 200 | |||
| 50 | |||
| 100 |
| Surface Roughness Ra=0,6µm | 0 | 0 | ||
| BNC2010 Conventional | BNC2020 | Conventional | ||
| coated CBN | coated CBN |
| Insert: | DNGA150408NC4 (BNC2010) | Insert: | DNGA120408NC4 (BNC2020) |
| Cutting Conditions: | vc=200m/min, f=0,10mm/rev, ap=0,35mm, Dry | Cutting Conditions: | vc=100m/min, f=0,15mm/rev, ap=0,5mm, Wet |
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=1,6µm | BNC2010 | Conventional | BNC2020 | Conventional | |
| WH type | coated CBN | Strong edge type | coated CBN | ||
| wiper inserts | HS type |
| Insert: | CNGA120412NCWH2 (BNC2010) | Insert: | TNGA160420HSNC3 (BNC2020) |
| Cutting Conditions: | vc=150m/min, f=0,2mm/rev, ap=0,2mm, Dry | Cutting Conditions: | vc=120m/min, f=0,10mm/rev, ap=0,15mm, Dry |
Cutting Edge Preparation
| Grade | Edge Treatment General Edge Treatment | Edge Treatment Strong Edge Type: HS |
| BNC2010 | S01225 | S01730 |
| BNC2020 | S01225 | S02735 |
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