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Zhengzhou Halnn Superhard Materials Co., Ltd
8 Years
| Ask Lasest Price | |
| Brand Name : | Halnn |
| Model Number : | WNMN080408/WNGN080412 |
| Certification : | ISO9001 |
| Price : | Negotiable |
| Payment Terms : | T/T, Western Union, MoneyGram,Paypal |
| Supply Ability : | 100000 pcs per month |
| Delivery Time : | 3~15 working days |
WNMN08/WNGN/WNGA Indexable CBN Inserts Rough Machining Truck Brake Drum
1. Halnn CBN Grade for machining Truck Brake Drum BN-S30 and BNK30
Insert Grade | Suited Materials | Machining Type | Typical Application |
| BN-S30 | Gray Cast Iron,Grey Cast Iron | Roughing,Semi-Finishing | Brake Drum,Cast Iron Engine,Gearbox, Cylinder Liner |
| BNK30 | Roughing,Finishing |
2. BN-S300/BNK30 Indexable CBN Inserts Cutting Conditions
| Halnn CBN Grade | CBN Content | Granularity (μm) | Cutting Depth | Cutting Condition |
| BN-S30 | 85% | 8~12 | 1~10 mm | Continuous |
| BNK30 | 97% | 2~4 | ≤1.5 mm | Continuous |
3. Common Indexable CBN Inserts Models for machining brake drum
WNMN/WNGN Indexable CBN Inserts
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Type | Dimension | Standard Chamfer | Grades | Corresponding tool holder | ||||
| L(mm) | φI.C(mm) | S(mm) | r(mm) | BN-S30 | BNK30 | |||
| WNMN080404 | 8 | 12.7 | 4.76 | 0.4 | S01015 S01020 S02020 S02025 | ● | ● | CWLNR/L |
| WNMN080408 | 8 | 12.7 | 4.76 | 0.8 | ● | ● | ||
| WNMN080412 | 8 | 12.7 | 4.76 | 1.2 | ● | ● | ||
| WNMN080604 | 8 | 12.7 | 6.35 | 0.4 | ● | ● | ||
| WNMN080608 | 8 | 12.7 | 6.35 | 0.8 | ● | ● | ||
| WNMN080612 | 8 | 12.7 | 6.35 | 1.2 | ● | ● | ||
WNMN/WNGN Indexable CBN Inserts
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Type | Dimension | Standard Chamfer | Grades | |||||
| L(mm) | φI.C(mm) | φd(mm) | S(mm) | r(mm) | BNK30 | BN-S30 | ||
| WNGA080404 | 08 | 12.7 | 5.16 | 4.76 | 0.4 | S01015 S01020 S02020 S02025 | ● | ● |
| WNGA080408 | 08 | 12.7 | 5.16 | 4.76 | 0.8 | ● | ● | |
| WNGA080412 | 08 | 12.7 | 5.16 | 4.76 | 1.2 | ● | ● | |
4.Application Case
| BNK30 CNGN120416 Indexable cbn inserts machining brake drum | ||||
| Component Materials | FC250 (GG250),HB180~241 |  | ||
| Selected Halnn CBN Inserts | BNK30 CNGN120416 | |||
| Roughness requirements | Ra3.2 | |||
| Testing Performance | ||||
| Insert Materials | Cutting Speeds Vc(m/min) | Feed Rate Fr(mm) | Cutting Depth ap(mm) | Tool Life/blade |
| Halnn BNK30 | 657 m/min | 0.3 | 0.4~0.5 | Improved 1.8 times |
| Other CBN | 657 m/min | 0.3 | 0.4~0.5 | ...... |
5.Typical Application
Normally for machining gray cast iron component, such as brake disc, brake drum, Halnn researched BN-S30,BNK30 Indexable CBN Inserts. The following is the cnc machine tools for machining gray cast iron brake disc.
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