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    Surface-coated cutting tool having excellent chipping resistance and wear resistance
    12.
    发明授权
    Surface-coated cutting tool having excellent chipping resistance and wear resistance 有权

    公开(公告)号：US10556273B2

    公开(公告)日：2020-02-11

    申请号：US15529008

    申请日：2015-11-27

    申请人： MITSUBISHI MATERIALS CORPORATION

    发明人： Shun Sato ,  Masakuni Takahashi

    IPC分类号： B23B27/14 ,  B23B51/00 ,  B23B27/20 ,  C04B35/5831 ,  C23C14/06

    摘要： In a surface-coated cutting tool, an A layer made of an (Al1-xTix)N layer (0.35≤x≤0.6 by an atom ratio) and a B layer made of a (Al1-y-zTiySiz)N layer (0.35≤y≤0.6 and 0.01≤z≤0.1 by an atom ratio) are layered on a surface of a tool body in which at least a cutting edge is made of a cBN sintered body. A layer thickness ratio of the A layer and the B layer (tB/tA) is 2 to 5, an X-ray diffraction intensity ratio I(200)/I(111) as the entire hard coating layer is more than 3 and 12 or less, a full width at half maximum of a peak of I(200) is 0.3 to 1.0, the IA(200)/IA(111) of the A layer is 2 to 10, and a full width at half maximum of the peak of the IA(200) is 0.3 to 1.0.

    CUTTING INSERT, CUTTING TOOL, AND METHOD OF MANUFACTURING MACHINED PRODUCT
    13.
    发明申请
    CUTTING INSERT, CUTTING TOOL, AND METHOD OF MANUFACTURING MACHINED PRODUCT 审中-公开

    公开(公告)号：US20200009664A1

    公开(公告)日：2020-01-09

    申请号：US16483410

    申请日：2018-02-27

    申请人： KYOCERA Corporation

    发明人： Yoshihito IKEDA

    IPC分类号： B23B27/20 ,  B23B27/22

    摘要： A cutting insert based on a non-limiting aspect has a first member and a second member joined to the first member. The second member has an upper surface and a side surface adjacent to the upper surface. The upper surface includes a first side, a second side and a corner. The upper surface has a first convex portion extending toward the corner, and a second convex portion extending from the first convex portion toward the first side. The second convex portion has a first end portion and a second end portion located closer to the corner than the first end portion. A first length from the first end to the first side is less than a second length from the second end portion to the first side in a top view.

    CUTTING TOOL
    14.
    发明申请
    CUTTING TOOL 审中-公开

    公开(公告)号：US20190247932A1

    公开(公告)日：2019-08-15

    申请号：US16305186

    申请日：2017-04-27

    申请人： SUMITOMO ELECTRIC HARDMETAL CORP.

    发明人： Yutaka Kobayashi ,  Katsuo Kazahaya

    IPC分类号： B23B27/20 ,  B23C5/10 ,  B23C5/16

    CPC分类号： B23B27/20 ,  B23B27/00 ,  B23B27/14 ,  B23B2226/31 ,  B23C5/02 ,  B23C5/10 ,  B23C5/16

    摘要： A cutting tool according to one aspect of the present disclosure includes a substrate and a diamond layer coating the substrate. A cutting tool according to one aspect of the present disclosure includes a rake face, a flank contiguous to the rake face, and a cutting edge configured by a ridge formed by the rake face and the flank. The rake face has a first rake face and a second rake face located between the first rake face and the flank. The second rake face and a surface of the substrate located on the side of the rake face form a negative angle. The second rake face is formed at the diamond layer.

    CUTTING TOOL TIP, CUTTING TOOL, AND METHOD FOR PRODUCING CUT WORKPIECE USING SAME
    15.
    发明申请
    CUTTING TOOL TIP, CUTTING TOOL, AND METHOD FOR PRODUCING CUT WORKPIECE USING SAME 审中-公开

    公开(公告)号：US20190111496A1

    公开(公告)日：2019-04-18

    申请号：US16089377

    申请日：2017-03-27

    申请人： KYOCERA CORPORATION

    发明人： Katsura HAYASHI

    IPC分类号： B23B27/14 ,  B23C5/16 ,  B23B27/20

    摘要： A cutting tool tip may include a first region and a second region. The second region may differ from the first region in material and may include a cutting edge in at least a part of a ridge line part of surfaces adjacent to each other. A boundary surface between the first region and the second region may include a curved surface portion projecting from a side of the second region toward a side of the first region.

    CUTTING TOOL
    16.
    发明申请
    CUTTING TOOL 审中-公开

    公开(公告)号：US20180361485A1

    公开(公告)日：2018-12-20

    申请号：US16062739

    申请日：2016-11-15

    申请人： SUMITOMO ELECTRIC HARDMETAL CORP. ,  Sumitomo Electric Industries, Ltd.

    发明人： Yusuke Matsuda ,  Taisuke Higashi ,  Satoru Kukino ,  Takashi Kanda ,  Katsumi Okamura

    IPC分类号： B23B27/14 ,  B23B27/20 ,  B23C5/10 ,  C22C29/00 ,  C22C26/00 ,  C22C29/06

    摘要： A cutting tool according to an aspect of the present disclosure includes a shank, a joint, and a cutting portion attached through the joint to the shank. The cutting portion includes a core and a surface portion. The surface portion is disposed around a central axis of the cutting portion to cover an outer circumferential surface of the core. The surface portion includes a cutting edge. The cutting edge is disposed on an outer circumferential surface of the surface portion and formed in a helical shape about the central axis. The surface portion is a composite sintered material including a hard phase formed of a plurality of diamond particles and a plurality of cubic boron nitride particles, and a binder phase forming the remainder.