Finish cutting Gray iron Brake Drum CBN insert with Halnn CBN indexable Insert is more high efficiency
1. Halnn Tools CBN Tool High Speed Cutting Gray iron Brake Drum
The excellent performance of CBN tools: High hardness, high heat resistance, high chemical inertness.
The high hardness of CBN Tool proved its excellent abrasive resistance.
● The high heat resistance of CBN Tool can meet the cutting condition of high speed and high temperature.
● The high chemical inertness proved that CBN Tool has high antioxidant, it will not be oxidized in 1000℃,and will not react with iron series metal in 1200 ℃. And it can be used with high cutting speed, so that improved the processing efficiency.
● CBN Tools have good thermal conductivity, which can realize the heat near the insert tips, and help improve the precision of the workpiece.
● CBN Tools will have low coefficient of friction, which will make the cutting tools have excellent anti-sticking ability, and help improve the surface quality of the component.
2. Why we Choose CBN Tool High Speed Cutting Gray iron Brake Drum
Gray cast iron has low hardness and can be processed by traditional carbide tools. But why choose a CBN inserts that is more expensive than traditional carbide tools?
Nowadays, enterprises that produce high-volume gray cast iron parts mainly use CNC lathe processing. Many people know that traditional tools can't cut at high speed. When the maximum line speed (350m/min) is exceeded, severe wear will occur, which will affect production efficiency and the surface quality of the workpiece.
3.CBN Tool Characteristics
| Insert Grade | Binder | CBN Content(%) | Granularity | Hardness(HV) | Cutting Depth | Condition |
| BN-S300 | AL,TIC | 97 | 4—6 | 3400—3600 | ≤2mm | Continuous |
| BN-K20 | AL | 95 | 2—4 | 3400—3600 | ≤0.5mm | Continuous |
| BNK30 | Si,TIC | 97 | 2—4 | 3400—3600 | ≤0.5mm | Continuous |
4.Pictures of Halnn Tools CBN Tool
5.Detailed Data of SNGA CBN Tool
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| Type | Dimension | Standard Chamfer | Grades |
| L(mm) | φI.C(mm) | φd(mm) | S(mm) | r(mm) | BNK30 | BN-S300 | BN-S20 | BN-S200 |
| SNGA120404 | 12.7 | 12.7 | 5.16 | 4.76 | 0.4 | S01020 S02020 S03020 S05020 S20020 S10020 | ● | ● | ◎ | ● |
| SNGA120408 | 12.7 | 12.7 | 5.16 | 4.76 | 0.8 | ● | ● | ◎ | ● |
| SNGA120412 | 12.7 | 12.7 | 5.16 | 4.76 | 1.2 | ● | ● | ◎ | ● |
6.Application Case
Halnn BN-S300 solid CBN insert rough machining brake disc
Workpiece Materials: Gray Cast Iron
Workpiece: Brake Drum
Machining Type: Both roughing and finishing with one insert
Machining Part: End Surface
Insert Grade: BN-S300 SNGA
Machining Type: Dry Cutting
Compared with coating carbide insert, Halnn BN-S300 CBN insert can save the costs, and has long tool
7. Our Product
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Finish Cutting Gray Iron Brake Drum CBN Insert with Halnn CBN Indexable Insert Images
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