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Help CenterIndexable Cbn Insert BN-S300 Fine Boring Engine Block With High Efficiency
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Indexable cbn insert BN-S300 fine boring engine block with high efficiency
Engine Block, as the base of the engine, it required high on the precision and surface quality, for example, side Flatness need within0.03mm, Cylinder roundness will be within0.004mm, and the Verticality will be within0.03mm, Surface Roughness require Ra1.6. With the increasing competition on this industry, traditional cutting tools(carbide insert, ceramic cutters and coating carbide insert) can’t satisfy all the requirements . Many manufacturers can only use international brand (Seco, Sandvik, Sumitomo,ect) cbn insert, but it costs so high. So manufacturers are searching other cutting tools which can replace international cbn inserts, and reduce the tool costs.
Halnn Superhard, as the predecessor of the superhard cutting tools, with more than 10 years attention on superhard materials, has researched special cbn grade for milling engine block with gray cast iron materials, and also offer the recommend cutting data. And they can replace international cbn insert brand, such as Seco, Sumitomo, ect.
Specific for engine block, there are 3 materials, BN-S300, BN-K20 and BNK30 CBN Grade, BN-S300 belong to solid cbn insert, the cubic boron nitride content can reach 91%, the hardness can arrive HV3400-HV3600, and it can realize rough milling, fine milling engine block surface.
BN-K20 and BNK30 belong to brazing pcbn insert, it includes carbide body and cbn tips, usually used for fine boring engine to ensure the surface roughness and other requirements.
The application case of Halnn superhard cbn insert BN-S300 milling engine block
Machining Materials: Gray Cast Iron
Process: Finishing Process
Insert Model: BN-S300 SNEN090308ENS
Cutting Data: Vc=1700m/min, Fz=0.12mm/r,ap=0.3mm
Machining Process: Dry Cutting
The performance:
Insert Materials |
Vc(m/min) |
Tool Life(pieces/blade) |
Cutting Fluid |
BN-S300 |
3670 |
85 |
No |
Imported CBN |
3670 |
80 |
No |
When milling engine block with gray cast iron materials, if the cutting tools can’t meet
the requirements on the surface precision, surface quality and surface particle, you can contact with us halnntools@gmail.com, we can offer you the professional advice.
My online contact way as follows: skype:cbn_inserts_angels, Whatsapp:+8618695866134, Wechat:Halnntools
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