Active Member
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[China]
Address: No.11, Road Changchun,Zhengzhou,Henan,China
Contact name:Angels Zhu
Zhengzhou Halnn Superhard Materials Co., Ltd |
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Brazed PCBN Inserts WNGA0804 Six Cutting Edges Finish Machining Gray Iron Brake Drum
1. About Brake Drum
As we all know, more and more cars appear in people's life, so one
of the most important component ~ brake drum is need in bulk
quantity. So it belongs to large quantity products. The
manufacturers will try their best to find the right cutting tools
to help them improve the efficiency, so that reduce the costs,
then get the more profit.
2. Halnn BNK30 PCBN Inserts
BNK30 PCBN Inserts are researched specific for machining gray cast
iron, it not only can be made with brazed type, but also solid
type, this grade can be used for both roughing and finishing
process, the characteristics as follows:
| Insert Grade | Suited Materials | CBN Content | Granularity | Machining Type | Typical Application |
| BNK30 | Gray cast iron, | 97% | 2~4 | Semi-Finishing, | Brake Disc, Brake Drum, |
3. Recommend Cutting Condition of Halnn CBN Inserts for machining
gray cast iron
| Machining Materials | Process | Cutting Speed | Cutting Depth | Feed Rate | Recommend CBN Grade |
Gray Cast Iron | Roughing | 400-1200 | 1-10 | 0.2-1.0 | BN-S30,BN-S300 |
Finishing | 600-2000 | ≤1 | 0.05-0.3 | BNK30, BN-K10,BN-K20 |
4. WNGA PCBN Inserts Specification
WNGA Brazed PCBN Inserts | ||||||||
| Type | Dimension | Standard Chamfer | Grades | |||||
| L(mm) | φI.C(mm) | S(mm) | φd(mm) | r(mm) | BN-K20 | BNK30 | ||
| WNGA080404-6S | 8 | 12.7 | 4.76 | 5.16 | 0.4 | S01015 | ● | ● |
| WNGA080408-6S | 8 | 12.7 | 4.76 | 5.16 | 0.8 | ● | ● | |
| WNGA080412-6S | 8 | 12.7 | 4.76 | 5.16 | 1.2 | ● | ● | |
5. Typical Application Case
| BNK30 PCBN Insert finish turning brake drum | |||
 | Component: Brake drum | ||
Insert material | Lifetime Per blades | Roughness | |
| Halnn BNK30 | 120 pcs/blade | Ra1.6 | |
Other PCBN | 70 pcs/blade | Ra2.0 | |
