Cutting insert with polycrystalline hard sintered material
The aim is to improve sharpness of a polycrystalline sintered body cutting tool containing cBN and to make it possible to use cutting even if extremely high machining accuracy and extremely excellent finish surface roughness are required in the machining of high-hardness material. The effective rake...
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| Format: | Patent |
| Sprache: | eng ; fre ; ger |
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| Zusammenfassung: | The aim is to improve sharpness of a polycrystalline sintered body cutting tool containing cBN and to make it possible to use cutting even if extremely high machining accuracy and extremely excellent finish surface roughness are required in the machining of high-hardness material. The effective rake of the tool is increased by connecting the flank (5) and the negative land face (7) of the tool through a curved line (8) having a radius of curvature in the range of 0.1 to 5 mu m as viewed in section. |
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