Premium CBN Products
Tungaloy has always been a pathfinder in CBN developments, making hard turning and other CBN applications less hard than it seems…
CBN is commonly applied for Hard Turning application but also is used for machining Cast Irons, Superalloys and Sintered Materials. The wide range of Tungaloy´s Premium CBN Products covers all the possible CBN applications.
Tungaloy’s CBN Grades and their properties
Hard Materials
Tungaloy´s Premium CBN Grades for Hard Materials
| Grade | CBN grain size | CBN content | Binder type | Recommended cutting speed (Vc) | Application range | |||||
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| Fine | Medium | Coarse | Low | Medium | High | Ceramic | Metal | |||
| BM05M | ● | ● | ● | 200 – 350 m/min 656 – 1148 sfm |
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| BXA10 | ● | ● | ● | 100 – 230 m/min 328 – 754 sfm |
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| BXA20 | ● | ● | ● | 60 – 180 m/min 197 – 590 sfm |
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| BXA30 | ● | ● | ● | 50 – 180 m/min
164 – 590 sfm |
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| BXA40 | ● | ● | ● | 50 – 180 m/min 164 – 590 sfm |
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| BR35F | ● | ● | ● | 50 – 150 m/min 164 – 492 sfm |
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| BXM10 | ● | ● | ● | 100 – 300 m/min 328 – 984 sfm |
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| BXM20 | ● | ● | ● | 100 – 200 m/min 328- 656 sfm |
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| BXC50 | ● | ● | ● | 100 – 200 m/min 328- 656 sfm |
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| BX310 | ● | ● | ● | 50 – 200 m/min 164 – 656 sfm |
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| BX330 | ● | ● | ● | 50 – 150 m/min 164 – 492 sfm |
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| BX360 | ● | ● | ● | 50 – 180 m/min 164 – 590 sfm |
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| BX380 | ● | ● | ● | 50 – 120 m/min 164 – 394 sfm |
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Cast Iron
Tungaloy´s Premium CBN Grades for Gray Cast Iron
| Grade | CBN grain size | CBN content | Binder type | Recommended Cutting Speed (Vc) | Application Range | ||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Fine | Medium | Very Coarse | Low | Medium | High | Very High | Ceramic | Metal | |||
| BX910 | ● | ● | ● | 500 – 1200 m/min 1640- 3937 sfm |
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| BX930 | ● | ● | ● | 200 – 700 m/min 656- 2296 sfm |
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| BX480 | ● | ● | ● | 300 – 2000 m/min 984 – 6561 sfm |
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| SBN30 | ● | ● | ● | 300 – 2000 m/min 984 – 6561 sfm |
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Tungaloy´s Premium CBN Grades for Ductile Cast Iron
Superalloys
Tungaloy´s Premium CBN Grades for HRSA
Tungaloy´s Premium CBN Grades for Titanium alloy
| Grade | CBN grain size | CBN content | Binder type | Recommended Cutting Speed (Vc) | Application Range | ||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Fine | Medium | Coarse | Low | Medium | High | Very High | Ceramic | Metal | |||
| BX480 | ● | ● | ● | 100 – 200 m/min 328 – 656 sfm |
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Sintered Metals
Tungaloy´s Premium CBN Grades for Sintered Metals
Unique Tungaloy CBN Solutions
TinyMini-Turn CBN Series
CBN carbide boring bars for miniature machining for as small as 2.8 mm bore diameter
Tungaloy’s Knowledge
The uniqueness of Tungaloy´s CBN
CBN grain sizes and their effects on surface roughness
Fine grain (Grain size: ≤ 1 μm)
Fine-grain CBN grades
Sharp and uniform cutting edge
Better surface finish quality
Roughness (Rz < 1.6 μm)
Coarse grain (Grain size: 3 – 6 μm)
Coarse-grain CBN grade
Strong bond between grains
Higher speeds
and feeds can be applied
Roughness (Rz < 6.3 μm)
CBN inserts are generally used in a finishing process. A CBN insert grade with coarse abrasive grains will output a rough surface and may not be able to achieve the surface quality required. To achieve superior surface quality of Rz = 3.2 or better, always use a fine grain CBN insert.
Grain Size – Coated Grades
Grain Size – Uncoated Grades
Made by Tungaloy
Tungaloy is the market leader of CBN Blanks
Carefully-selected micron-sized cubic boron nitride powers are sintered with a ceramic or metallic binder under high-temperature, high-pressure (HTHP) environment of over 5 GPa (over 725,189 psi) at 1400 °C -1500 °C (2552 °F – 2730 °F) in Tungaloy’s latest sintering equipment. The CBN blanks will then undergo strict quality screening before being fabricated into CBN inserts.
Tungaloy welcomes customers to collaborate with its Advanced Materials Team to develop customized CBN grades perfectly tailored to the customer’s specific hard turning needs. Tungaloy offers a high level of performance in the most challenging hard turning applications but can also bring these unique products to the customers in a short time span.
