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Product Details:
Payment & Shipping Terms:
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Materials: | CBN/Cubic Boron Nitride | Machining Materials: | Gray Cast Iron |
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Halnn Grade: | BNK30/BN-S300/BN-S30 | Origin Country: | China |
Brand: | Halnn | Model No.: | TNMN16/CNMN12/SNMN09 |
High Light: | cbn cutting tools,cbn turning inserts |
CBN Cutter Inserts TNMN16/CNMN12/SNMN09 Finish Turning Automotive Brake Disc
1. Halnn Solid CBN Cutter Inserts for machining Gray Cast iron
Insert Grade |
Suited Materials | Machining Type | Typical Application |
BN-S300 | Gray Cast Iron | Roughing,Finishing | Brake Disc,Cast Iron Engine,Gearbox, Cylinder Liner |
BNK30 |
Semi-Finishing,Finishing |
2. Halnn Solid CBN Cutter Inserts BN-S300/BNK30 Cutting Conditions
Halnn CBN Grade |
Granularity (μm) |
CBN Content | Hardness (HV) | Cutting Depth | Cutting Condition |
BN-S300 | 4~6 | 97% | 3400~3600 | ≤2mm |
Continuous |
BNK30 | 2~4 | 97% | 3400~3600 | ≤1.5mm |
Continuous |
3. Common Models for machining brake disc
TNMN/TNMO/TNML Solid CBN Cutter Inserts |
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Type | Dimension |
Standard Chamfer |
Grades | ||||
L(mm) | φI.C(mm) | S(mm) | r(mm) | BN-K30 | BN-S300 | ||
TNMN110304 | 11 | 6.35 | 3.18 | 0.4 |
S01020 S02020 |
◎ | ◎ |
TNMN110308 | 11 | 6.35 | 3.18 | 0.8 | ◎ | ◎ | |
TNMN110312 | 11 | 6.35 | 3.18 | 1.2 | ◎ | ◎ | |
TNMN160404 | 16 | 9.525 | 4.76 | 0.4 | ◎ | ◎ | |
TNMN160408 | 16 | 9.525 | 4.76 | 0.8 | ◎ | ◎ | |
TNMN160412 | 16 | 9.525 | 4.76 | 1.2 | ◎ | ◎ |
SNMN/SNGN Solid CBN Inserts |
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Type |
Dimension |
Standard Chamfer |
Grades |
Corresponding tool holder |
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L(mm) | φI.C(mm) | S(mm) | r(mm) | BNK30 | BN-S300 | |||
SNMN090304 | 9 | 9.525 | 3.18 | 0.4 |
S01020 S01025 S02020 S02030 S05020 S10020 |
● | ● |
CSDNN CSSNR/L CSKNR/L CSRNR/L CSXNR/L S25T-CSKNR/L |
SNMN090308 | 9 | 9.525 | 3.18 | 0.8 | ● | ● | ||
SNMN090312 | 9 | 9.525 | 3.18 | 1.2 | ● | ● | ||
SNMN090404 | 9 | 9.525 | 4.76 | 0.4 | ● | ● | ||
SNMN090408 | 9 | 9.525 | 4.76 | 0.8 | ● | ● | ||
SNMN090412 | 9 | 9.525 | 4.76 | 1.2 | ● | ● | ||
SNMN120404 | 12 | 12.7 | 4.76 | 0.4 | ● | ● | ||
SNMN120408 | 12 | 12.7 | 4.76 | 0.8 | ● | ● | ||
SNMN120412 | 12 | 12.7 | 4.76 | 1.2 | ● | ● | ||
SNMN120712 | 12 | 12.7 | 7.94 | 1.2 | ● | ● | ||
SNMN120716 | 12 | 12.7 | 7.94 | 1.6 | ● | ● | ||
SNMN150716 | 15 | 15.875 | 7.94 | 1.6 | ● | ● | ||
SNMN201020 | 20 | 20 | 10 | 2.0 | ● | ● |
CNMN/CNGN Solid CBN Inserts |
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Type |
Dimension |
Standard Chamfer |
Grades |
Corresponding tool holder |
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L(mm) | φI.C(mm) | S(mm) | r(mm) | BN-S300 | BNK30 | |||
CNMN090404 | 9 | 9.525 | 4.76 | 0.4 |
S01020 S01025 S02020 S02030 S02530 S03020 |
◎ | ◎ |
CCLNR/L S25T-CCLNR/L |
CNMN090408 | 9 | 9.525 | 4.76 | 0.8 | ◎ | ◎ | ||
CNMN090412 | 9 | 9.525 | 4.76 | 1.2 | ◎ | ◎ | ||
CNMN120404 | 12 | 12.7 | 4.76 | 0.4 | ● | ● | ||
CNMN120408 | 12 | 12.7 | 4.76 | 0.8 | ● | ● | ||
CNMN120412 | 12 | 12.7 | 4.76 | 1.2 | ● | ● | ||
CNMN120416 | 12 | 12.7 | 4.76 | 1.6 | ● | ● | ||
CNMN120704 | 12 | 12.7 | 7.94 | 0.4 | ● | ● | ||
CNMN120708 | 12 | 12.7 | 7.94 | 0.8 | ● | ● | ||
CNMN120712 | 12 | 12.7 | 7.94 | 1.2 | ● | ● | ||
CNMN120716 | 12 | 12.7 | 7.94 | 1.6 | ● | ● |
4.Application Case
BNK30 CNGN1204 CBN Cutter Inserts Finish turning gray cast iron | |||
Component Materials | FC250 (GG250),HB180~240 | ||
Selected Halnn CBN Inserts | BNK30 CNGN120416 | ||
Cutting Condition | ap=2.5mm,Fr=0.3mm/r, Vc=697m/min | ||
Testing Performance | |||
Insert Materials | Cutting Speeds | Cutting Depth | Tool Life/Tip |
Halnn BNK30 | 697 m/min | 2.5mm | 260 |
Seco CBN300 | 697 m/min | 2.5mm | 200 |
5.Typical Application
Normally for machining gray cast iron component, such as brake disc, brake drum, Halnn researched BN-S300 and BNK30CBN Cutting Inserts. The following is the cnc machine tools for machining gray cast iron brake disc.