Silicon nitride special ceramic cutter
The utility model discloses a silicon nitride special ceramic cutter which comprises a cylindrical main body, one end of the main body is provided with a first cutter head, the peripheral surface of the first cutter head inclines outwards to form a first cutting edge inclination angle, the other end...
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| Format: | Patent |
| Sprache: | chi ; eng |
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| Zusammenfassung: | The utility model discloses a silicon nitride special ceramic cutter which comprises a cylindrical main body, one end of the main body is provided with a first cutter head, the peripheral surface of the first cutter head inclines outwards to form a first cutting edge inclination angle, the other end of the main body is provided with a second cutter head, and the second cutter head is provided with a second cutting edge inclination angle. According to the cutter, the first cutter head and the second cutter head are arranged on the main body, and the edge inclination angles are respectively formed between the peripheral surfaces of the first cutter head and the second cutter head and the main body, so that the cutter is sharper during finish machining, the surface smoothness of a workpiece is improved, and the service life of the cutter is prolonged. Meanwhile, the high-purity Si3N4 powder is used as a raw material, sintering agents such as Y2O3, MgO, ZrO2 and HfO2 or special ceramic materials such as a wear-re |
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