Zhengzhou Halnn Superhard Materials Co., Ltd
Zhengzhou Halnn Superhard Materials Co., Ltd
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Cbn Turning Inserts BN-S20 CNGN/CNMN turning Hardened Steel Gr15 Ball Screw
1. Halnn Solid CBN Insert for Turning Hardened Steel Ball Screw
| Insert Grade | Suited Materials | Machining Type | Typical Application |
| BN-S20 | Hardened Steel, Heat and abrasive resistant steel | Semi-finishing, Roughing | GCr15 Ball Screw, Hardened Steel |
2.BN-S20 CBN Turning Inserts Turning Hardened Steel GCr15 Ball Screw
| CBN Grade | Binder | CBN Content(%) | Granularity(μm) | Hardness(HV) |
| BN-S20 | TiN | 76 | 4~6 | 2900~3100 |
3.Typical Application
| BN-S20 CBN Turning Insert Hardened Steel GCr15 Ball Screw | |||
| Component | Ball Screw | ||
| Materials | GCr15 ,HRC60~62 | ||
| Selected Insert | Halnn BN-S20 CNGN120708 | ||
| Cutting Condition | VC=95m/min,Fr=0.1mm,ap=4.5mm | ||
| Testing Performance | |||
| Insert Materials | Cutting Speed Vc (m/min) | Cutting Depth Ap(mm) | Failure Mode |
| Halnn BN-S20 | 95 | 4.5 | Flank Wear |
| Kyocera Ceramic Insert | 65 | 0.5 | Fracture |
From above application, we know that Halnn BN-S20 solid cbn inserts will perform much better than other ceramic inserts for roughing process when turning hardened steel GCr15 Ball Screw.
4. Common Models CNGN/CNMN CBN Turning Inserts for Turning Ball Screw
| CNMN/CNGN CBN Turning Inserts
| |||||||
Type | Dimension |
Standard Chamfer | Grades |
Corresponding tool holder | |||
| L(mm) | φI.C(mm) | S(mm) | r(mm) | BN-S20 | |||
| CNMN090404 | 9 | 9.525 | 4.76 | 0.4 | S01020 S01025 S02020 S02030 S02530 S03020 | ◎ | CCLNR/L S25T-CCLNR/L |
| CNMN090408 | 9 | 9.525 | 4.76 | 0.8 | ◎ | ||
| CNMN090412 | 9 | 9.525 | 4.76 | 1.2 | ◎ | ||
| CNMN120404 | 12 | 12.7 | 4.76 | 0.4 | ● | ||
| CNMN120408 | 12 | 12.7 | 4.76 | 0.8 | ● | ||
| CNMN120412 | 12 | 12.7 | 4.76 | 1.2 | ● | ||
| CNMN120416 | 12 | 12.7 | 4.76 | 1.6 | ● | ||
| CNMN120704 | 12 | 12.7 | 7.94 | 0.4 | ● | ||
| CNMN120708 | 12 | 12.7 | 7.94 | 0.8 | ● | ||
| CNMN120712 | 12 | 12.7 | 7.94 | 1.2 | ● | ||
| CNMN120716 | 12 | 12.7 | 7.94 | 1.6 | ● | ||
5. Application Image
