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    • 6. 发明专利
    • Cutting tool
    • 切割用具
    • JP2008229766A
    • 2008-10-02
    • JP2007071909
    • 2007-03-20
    • Sumitomo Metal Ind Ltd住友金属工業株式会社
    • KAMICHI YASUHIROKANDA OSAMU
    • B23B27/14B23B51/00B23C5/16B23D61/04
    • B23D61/04B23C5/08B23C2224/04B23C2226/73B23C2228/10C23C30/005
    • PROBLEM TO BE SOLVED: To provide a cutting tool capable of more increasing an agglutination preventing effect with excellent wear resistance, when cutting a metal material of high hardness.
      SOLUTION: This cutting tool is provided with a cutting base material 2 and a cutting edge tip 3 made of a cemented carbide material having higher wear than that of the cutting base material 2 and fixed to the cutting base material 2. In vicinities 31 and 32 of a portion in contact with at least a material to be cut of the cutting edge tip 3, hard protective films 4 including at least any one kind of Al-O system, Al-Ti-O system and Al-Zr-O system composite oxide, and carbide system and nitride system silicon compound are coated.
      COPYRIGHT: (C)2009,JPO&INPIT
    • 要解决的问题:提供一种能够在切割高硬度的金属材料时能够更好地提高具有优异的耐磨性的凝集防止效果的切削工具。 解决方案:该切削工具设置有切削基材2和由硬质合金材料制成的切削刃尖3,该硬质合金材料具有比切削基材2更高的磨损并固定在切割基材2上。在附近 与切削刃尖3的至少切削材料接触的部分的31,32,包含至少一种Al-O系,Al-Ti-O系和Al-Zr-O系的硬保护膜4, O系复合氧化物,碳化物体系和氮化物体系的硅化合物被涂覆。 版权所有(C)2009,JPO&INPIT