Zhengzhou Halnn Superhard Materials Co., Ltd
Zhengzhou Halnn Superhard Materials Co., Ltd
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BNK30 RNEN090300 Solid CBN Cutting tools face milling Cast iron Cylinder head with high efficiency
1. Halnn Tools BNK30 RNEN090300 CBN Cutting tools face milling Cast iron Engine Block
Engine Block is one of the most important parts of engine, and is the base of the engine. Engine Block is the typical case parts, and it usually uses milling process machining all surface. And the engine block usually require high on the product quality, and surface roughness, ect. So it requires high on the cutting tools, which will need high cutting speed, high precision and high efficiency.
2. Why we Choose Halnn Tools BNK30 RNEN090300 Solid CBN Cutting tools face milling Cast iron Engine Block ?
The materials of engine block are gray cast iron, and have low hardness. Traditional cutting tools can machine. But for the high requirements on the engine block, traditional cutting tools(carbide insert, ceramic cutters and coating carbide insert) can’t satisfy all the requirements, many manufacturers use famous brand (Seco, Sandvik ) Insert for milling and boring prosess.
CBN Insert has high hardness, stable performance and long tool life, also can obtain good product quality, so it often is used for milling engine block with high cutting speed. Especially Halnn BN-S300, BNK30 and BN-K20 PCBN inserts, is the most widely used for milling and boring engine block.
And BN-S300 belong to solid cbn insert, mainly used for milling engine block, BN-K20 and BNK30 are brazing pcbn insert, are mainly used for boring process to make sure high surface quality and long tool life. And all of them have been widely used.
3. BNK30 Solid CBN Insert Characteristics
| Insert Grade | Suited Materials | Machining Type | Typical Application |
| BN-S300 | Gray Cast Iron | Roughing, Finishing | Brake Disc, Gearbox, Cylinder Liner,Brake Drum, Cast Iron Engine, |
| BN-K20 | Semi-Finishing, Finishing | Brake Disc, Brake Drum, Cast Iron Engine,Gearbox | |
| BNK30 | Cast Gray Iron, Iron based alloy | ||
| BN-K10 | Cast Gray Iron, Powder Metallurgy | Finishing | Brake Disc,Powder Metallurgy Parts, Valve seat ring, Engine Cylinder bore |
4.Detailed Data of RNEN Full form CBN inserts
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| Type | Dimension | Grades | |||||
| L(mm) | φI.C(mm) | S(mm) | r(mm) | BN-S200 | BN-S30 | BNK30 | |
| RNEN090300 | 9 | 9.525 | 3.18 | ● | ● | ◎ | |
| RNEN090400 | 9 | 9.525 | 4.76 | ● | ● | ◎ | |
| RNEN120700 | 12 | 12.7 | 7.94 | ● | ● | ◎ | |
5.Pictures of Halnn Tools Solid CBN inserts
6.Application Case
The application case of Halnn Tools CBN insertS BN-S300 milling Engine block
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Machining Materials: Gray Cast Iron
Process: Finishing Process
Insert Model: BNK30 SNEN090308ENS
Cutting Data: Vc=1700m/min, Fz=0.12mm/r,ap=0.3mm
Machining Process: Dry Cutting
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| Insert Materials | Vc(m/min) | Tool Life(pieces/blade) | Cutting Fluid |
| BNK30 | 3670 | 85 | No |
| Imported CBN | 3670 | 80 | No |
7.Our service
Pre-Sales Service
l) Prompt reply and 24 hours online,professional team to provide best price and quality product.
l) Same testing support
l ) Every batch of products will be tested to ensure its quality.
After-sales Service
l) The real-time logistics information monitoring
l ) Any questions about the product can be consulted at any time.
l) Product with any problem can return.
8.The Processing Range of Halnn Tools CBN Insters