Solid CBN Inserts RNFN12/SNFN/CNFN Milling High Manganese Steel Liner/Guard
1. Halnn CBN Grade BN-S20 for Milling high Manganese Steel
| Insert Grade | Suited Materials | Machining Type | Typical Application |
| BN-S20 | Hardened Steel, Heat and abrasive resistant steel, High Manganese Steel | Roughing, Semi-Finishing | HSS Rolls, Ball Screw, Wind Power Bearings, Steel Liner and Steel Guard |
2. BN-S20 Solid CBN Inserts
| CBN Grade | Binder | CBN Content(%) | Granularity(μm) | Hardness(HV) |
| BN-S20 | TIN | 76 | 4-6 | 2900-3100 |
3.Typical Application
| BN-S20 Solid CBN Inserts Milling High manganese steel liner | |||
| Materials | High Manganese Steel Liner | ||
| Selected CBN inserts | BN-S20 SNFN120716 | ||
| Cutting Parameters | ap=2.5mm,Fr=0.2mm/r,Vc=75m/min | ||
| Insert Materials | Cutting Speed | Feed Rate | Tool Life/Blade |
| Halnn BN-S20 | 75m/min | 0.2mm/r | 270min |
| Carbide Insert | 25m/min | 0.15mm/r | 25min |
4. Common solid cbn inserts for milling high manganese steel
| SNFN Solid CBN Inserts
| ||||||||
Type | Dimension | Grades |
Matched Milling Cutters | |||||
| L(mm) | φI.C(mm) | S(mm) | R(mm) | BN-K1 | BN-S20 | BN-S300 | ||
| SNFN120708 | 12 | 12.7 | 7.94 | 0.8 | ◎ | ◎ | ◎ |
TSM Series Milling Cutters |
| SNFN120712 | 12 | 12.7 | 7.94 | 1.2 | ● | ● | ● | |
| SNFN120716 | 12 | 12.7 | 7.94 | 1.6 | ● | ● | ● | |
| SNFN120720 | 12 | 12.7 | 7.94 | 2.0 | ◎ | ◎ | ◎ | |
| CNFN Solid CBN Inserts
| ||||||||
Type | Dimension | Grades |
Matched Milling Cutters | |||||
| L(mm) | φI.C(mm) | S(mm) | R(mm) | BN-K1 | BN-S20 | BN-S200 | ||
| CNFN120708 | 12 | 12.7 | 7.94 | 0.8 | ◎ | ◎ | ◎ |
TZM Series Milling Cutters |
| CNFN120712 | 12 | 12.7 | 7.94 | 1.2 | ● | ● | ● | |
| CNFN120716 | 12 | 12.7 | 7.94 | 1.6 | ● | ● | ● | |
| CNFN120720 | 12 | 12.7 | 7.94 | 2.0 | ◎ | ◎ | ◎ | |
| RNFN Solid CBN Inserts
| ||||||
Type | Dimension | Grades |
Matched Milling Cutters | |||
| φI.C(mm) | S(mm) | BN-K1 | BN-S20 | BN-S200 | ||
| RNFN120600 | 12.7 | 6.35 | ● | ● | ● |
TRM Series Face Milling Cutters |
5. Application
