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    COATED CUTTING TOOL MEMBER
    1.
    发明公开
    COATED CUTTING TOOL MEMBER 有权
    涂层切削工具臂

    公开(公告)号：EP1535680A4

    公开(公告)日：2007-11-07

    申请号：EP03760920

    申请日：2003-06-20

    申请人： MITSUBISHI MATERIALS CORP ,  MITSUBISHI MAT KOBE TOOLS CORP

    发明人： TAKAOKA HIDEMITSU ,  NAKAMURA EIJI

    IPC分类号： C23C14/06 ,  C23C30/00 ,  B23B27/14

    CPC分类号： C23C14/0641 ,  C23C14/0664 ,  C23C30/005 ,  Y10T428/24975 ,  Y10T428/265

    摘要： A coated cutting tool member, which comprises a hard substrate and, formed on the surface thereof through physical vapor deposition, a hard coating layer comprising a material selected from a composite nitride and a composite carbonitride of Ti and Al and having an average layer thickness of 1 to 10 mum, wherein the hard coating layer further comprises 0.002 to 0.1 atomic ratio of Zr and 0.0005 to 0.05 atomic ratio of one or more of Y and Ce, the ratios being relative to the total amount of metal elements. The coated cutting tool member not only exhibits excellent wear resistance when various types of steel, cast iron or the like are machined under a high speed cutting condition, which is associated with the generation of high heat, but also exhibits excellent chipping resistance even when the above machining is carried out also under a high load cutting condition such as high depth of cut or high feed cutting.

    SURFACE COATED CUTTING TOOL MEMBER HAVING HARD COATING LAYER EXHIBITING EXCELLENT ABRASION RESISTANCE IN HIGH-SPEED CUTTING, AND METHOD FOR FORMING SAID HARD COATING LAYER ON SURFACE OF CUTTING TOOL
    2.
    发明公开
    SURFACE COATED CUTTING TOOL MEMBER HAVING HARD COATING LAYER EXHIBITING EXCELLENT ABRASION RESISTANCE IN HIGH-SPEED CUTTING, AND METHOD FOR FORMING SAID HARD COATING LAYER ON SURFACE OF CUTTING TOOL 有权
    “WITH硬涂层优异的摩擦阻力在高速切割具有表面被覆切削工具LINK，AND METHOD FOR地层硬涂层的在切削工具上的表面”

    公开(公告)号：EP1470879A4

    公开(公告)日：2008-01-02

    申请号：EP03701078

    申请日：2003-01-14

    申请人： MITSUBISHI MAT KOBE TOOLS CORP ,  MITSUBISHI MATERIALS CORP

    发明人： SATO KAZUNORI ,  KONDO AKIHIRO ,  TANAKA YUSUKE

    IPC分类号： C23C14/06 ,  C23C30/00 ,  B23B27/14

    CPC分类号： C23C30/005 ,  C23C14/0641 ,  Y10T428/24942 ,  Y10T428/24975 ,  Y10T428/265

    摘要： A surface-coated cutting tool member having a tungsten carbide base hard metal substrate, a titanium carbo-nitride base cermet substrate or a cubic system boron nitride base sintered material and, formed on the surface thereof by the physical deposition method with an average layer thickness of 1 to 15 mum, a hard coating layer of a composite nitride of Al and Ti, characterized in that, in the hard coating layer, points having local maximums for Al content (local minimums for Ti content) and points having local minimums for Al content (local maximums for Ti content) are alternately present repeatedly along the direction of the thickness of the coating layer at given intervals, Al(Ti) contents are continuously changed from a point having a local maximum for Al content (a local minimum for Ti content) to a point having a local minimum for Al content (a local maximum for Ti content) and from a point having a local minimum for Al content (a local maximum for Ti content) to a point having a local maximum for Al content (a local minimum for Ti content), a point having a local maximum for Al content satisfies the empirical formula: (AlxTi1-x)N wherein x represents 0.70 to 0.95 in an atomic ratio and a point having a local minimum for Al content satisfies the empirical formula: (AlYTi1-Y)N wherein Y represents 0.40 to 0.65, and the interval between adjacent points having a local maximum for Al content and having a local minimum for Al content is 0.01 to 0.1 mum. The surface-coated cutting tool member has a hard coating layer exhibiting excellent abrasion resistance in high-speed cutting.