PCBN blanks for cutting tools is a kind of compound ultra hard material sintered by polycrystalline CBN and carbide alloy under the condition of ultra-high pressure and high temperature.
characteristic :
1.hardness,wear-resistance and thermal stability of CBN
2.impact resistance toughness of carbide alloy
3.fast cutting and high precision
Application:
Moresuperhard PCBN is ideal ideal material for cutting processing of ferrous metal and nonferrous metal with high hardness, such as harden steel, pearlitic gray cast iron, high temperature alloy, high-speed steel, hard facing alloys, Ni-Cr alloy, powder metallurgy metals. PCBN is typically used to machine brake discs, engine blocks, engine cylinder liners, brake drums, flywheels, valve seats and guides, gears, mold and die parts, etc.
Guidance of application
| Material | Material hardness | Recommended Model | Cutting speed V | Feeding speed f | Cutting depth | |
| (m/min) | (mm/rev) | (mm) | ||||
| Cast iron | Grey iron | <hb200</hb200 | MBN91/90 | 600-1000 | 0.1-0.5 | 0.2-1.5 |
| Alloy iron | HRC59 | MBN60/80 | 300-800 | 0.1-0.5 | 0.2-1.5 | |
| Ductile Iron | >HB200 | MBN60 | 100-500 | 0.1-0.4 | 0.1-0.5 | |
| Hardened steel | Tool steel | HRC60 | MBN70 | 100-200 | 0.02-0.2 | 0.1-0.5 |
| High-speed steel | HRC63 | MBN350 | 80-160 | 0.02-0.2 | 0.1-0.5 | |
| Bearing steel | HRC60 | MBN350 | 120-240 | 0.02-0.2 | 0.1-0.5 | |
| Powder metallurgy material | Heat-resistant sintered alloy steel | HRC45 | MBN90 | 80-200 | 0.03-0.2 | 0.1-1.0 |
| Iron-based sintered alloy | HRC35 | MBN90 | 100-200 | 0.03-0.2 | 0.1-1.0 | |
| Super-alloy | Co-based | HRC35 | MBN91 | 50-100 | 0.05-0.2 | 0.1-1.0 |
| Ni-based | HRC36 | MBN91 | 120-150 | 0.05-0.2 | 0.1-1.0 | |
| Iron-based | HRC37 | MBN91 | 130-150 | 0.05-0.2 | 0.0-1.0 | |
| Carbide | Carbide | MBN60 | 50-120 | 0.02-0.2 | 0.1-1.5 | |
| Item No.
|
Temperature Allowed
（℃） |
Wear-resistance
（SiC wheel） |
Bending Strength （Mpa） | Vickers Hardness
（Hv） |
Electrical Conductivity | |
| MBN 90 | 1100 | 4200 | 1100 | 3100 | Excellent | |
| MBN 91 | 1100 | 4800 | 1100 | 3600 | Good | |
| MBN 80 | 1100 | 3900 | 1000 | 2700 | Good | |
| MBN 70 | 1200 | 3500 | 900 | 2800 | Excellent | |
| MBN 60 | 1200 | 3200 | 900 | 2800 | Excellent | |
| MBN350 | 1200 | 3000 | 800 | 2600 | Excellent | |
| Note: customer specification available. | ||||||
Specifications
Product Measurement
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