Machining Grey Cast Iron Brake Disc with BN - S300 RCMN060400 CBN Tip Rough
1. Halnn Tools CBN Tip Rough Machining Grey Cast Iron Brake Disc
According to statistics, in the cost of machine manufacturing industry, the cutting fluid has occupied 15%, and the costs on cutting tools only have 3%~5%. So the new technology of dry cutting will become one new technology. It not only can lower the total costs, but also can reduce the environment pollution. In the process, the most important is cutting tool material. In order to achieve high cutting speed and dry cutting type, the cutting tools materials need have High temperature red hardness, stability and low Coefficient of friction. The materials can be only cubic boron nitride in nowadays.
2. Why we Choose Halnn Tools CBN Tip Rough Machining Grey Cast Iron Brake Disc
Compared with homogenous products: using nano-scale binder and high-grade CBN material ratio, it has more stable cutting performance, and the tool life is 1-2 times that of homogenous products. The welded CBN tool guarantees no U-turn, ensuring stable working conditions in the case of intermittent cutting, and not wearing the cutter.
Compared with the imported brand CBN tool: the cutting performance is stable and the cost performance is higher, especially in the sub-segment of “car grinding” ultra-high hardness heavy-duty cutting, cast iron high-speed machining and so on.
3.CBN Tool 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 | Gray Cast Iron | Roughing, Finishing | Brake Disc, Brake Drum, Cast Iron Engine,Gearbox |
| BNK30 | Cast Gray Iron, Iron based alloy | Roughing, Finishing |
| BN-K10 | Cast Gray Iron, Powder Metallurgy | Finishing | Brake Disc,Powder Metallurgy Parts, Valve seat ring, Engine Cylinder bore |
4.Pictures of Halnn Tools Inserts
Halnn Tools CBN/PCD Inserts are s widely used in Automobile, steel, mining machinery, wind power, aerospace, machine tools, 3C electronics, photovoltaic industry, etc.
5.Detailed Data of RCMN CBN inserts
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Type | Dimension | Standard Chamfer | Grades |
| L(mm) | φI.C(mm) | S(mm) | r(mm) | BN-K1 | BN-S10 | BN-S20 | BN-S200 | BN-S300 |
| RCMN060400 | | 6.35 | 4.76 | | S01020 S02020 S05020 S10020 | ● | ● | ● | ◎ | ● |
| RCMN090400 | | 9.525 | 4.76 | | ● | ● | ● | ◎ | ● |
| RCMN090700 | | 9.525 | 7.94 | | ● | ● | ● | ◎ | ● |
| RCMN120700 | | 12.7 | 7.94 | | ● | ● | ● | ◎ | ● |
| RCMN150700 | | 15.875 | 7.94 | | ● | ● | ● | ◎ | ● |
| RCMN190700 | | 19.05 | 7.94 | | ● | ● | ● | ◎ | ● |
6.Our product
BN-S300 Solid CBN Inserts are the most suitable CBN grade for Machining gray cast iron, and can be used for continuous turning condition.
7.Application Case
| Halnn Tools CBN Tip Rough Machining Grey Cast Iron Brake Disc |
| Machining Part | Brake Disc |
| Materials | Gray Cast Iron FC250, HB220~260 |
| Insert Grade | BN-S300 |
| Cutting Parameters | ap=0.3mm,Fr=0.12mm/r,Vc=1700m/min |
| Testing Performance |
| Selected Insert | Linear Speed (m/min) | Life Time/Edge | Costs/Insert |
| Halnn BN-S300 | 3670 | 85 | ＄100 |
| Other CBN Inserts | 3670 | 80 | ＄140 |
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Machining Grey Cast Iron Brake Disc with BN - S300 RCMN060400 CBN Tip Rough Images
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