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    METHOD FOR MANUFACTURING CUBIC BORON NITRIDE CUTTING TOOL AND CUBIC BORON NITRIDE CUTTING TOOL
    3.
    发明申请
    METHOD FOR MANUFACTURING CUBIC BORON NITRIDE CUTTING TOOL AND CUBIC BORON NITRIDE CUTTING TOOL 审中-公开
    制造立方氮化硼切割工具和立方氮化硼切割工具的方法

    公开(公告)号：US20150202730A1

    公开(公告)日：2015-07-23

    申请号：US14415496

    申请日：2013-12-27

    申请人： SUMITOMO ELECTRIC HARDMETAL CORP.

    发明人： Naoki Watanobe ,  Katsumi Okamura ,  Hiroki Yonekura ,  Yosuke Korogi

    IPC分类号： B24B3/34 ,  B23B27/18

    CPC分类号： B24B3/34 ,  B23B27/145 ,  B23B27/18 ,  B23B2200/0447 ,  B23B2200/049 ,  B23B2200/085 ,  B23B2200/242 ,  B23B2200/283 ,  B23B2222/28 ,  B23B2226/125 ,  Y10T407/24

    摘要： A method for manufacturing a cubic boron nitride cutting tool including a base metal and sintered cubic boron nitride compact at a corner portion of the base metal, capable of improving the accuracy of the center height and reducing the angle of inclination or width of a negative rake face; and the cubic boron nitride cutting tool. The method includes grinding the compact by pressing it against an end face of a grindstone of a grinder to form flank and rake faces on the compact while the base metal of the cutting tool is held by a chuck of the grinder, so that the compact is substantially ground. The rake face is formed to be recessed from a top face of the base metal or only a portion of the compact that protrudes from a base-metal rake face is ground while the tool is continuously held by the chuck.

    摘要翻译： 一种立方氮化硼切割工具的制造方法，该立方氮化硼切削工具在贱金属的拐角部分具有贱金属和立方氮化硼烧结体，能够提高中心高度的精度，并减小负耙角的倾斜度或宽度 面对; 和立方氮化硼切割工具。 该方法包括通过将压块压靠在研磨机的磨石的端面上来研磨压块，以在切割工具的基底金属由研磨机的卡盘保持的同时在压实体上形成侧面和前刀面，使得压块 基本上接地。 前刀面形成为从贱金属的顶面凹入，或者只要从基金属前刀面突出的一部分紧凑件被研磨，同时刀具被卡盘连续地保持。

    Method for manufacturing cubic boron nitride cutting tool and cubic boron nitride cutting tool
    4.
    发明授权
    Method for manufacturing cubic boron nitride cutting tool and cubic boron nitride cutting tool 有权

    公开(公告)号：US10160083B2

    公开(公告)日：2018-12-25

    申请号：US14415496

    申请日：2013-12-27

    申请人： SUMITOMO ELECTRIC HARDMETAL CORP.

    发明人： Naoki Watanobe ,  Katsumi Okamura ,  Hiroki Yonekura ,  Yosuke Korogi

    IPC分类号： B23B27/18 ,  B23B27/14 ,  B24B3/34

    摘要： A method for manufacturing a cubic boron nitride cutting tool including a base metal and sintered cubic boron nitride compact at a corner portion of the base metal, capable of improving the accuracy of the center height and reducing the angle of inclination or width of a negative rake face; and the cubic boron nitride cutting tool. The method includes grinding the compact by pressing it against an end face of a grindstone of a grinder to form flank and rake faces on the compact while the base metal of the cutting tool is held by a chuck of the grinder, so that the compact is substantially ground. The rake face is formed to be recessed from a top face of the base metal or only a portion of the compact that protrudes from a base-metal rake face is ground while the tool is continuously held by the chuck.

    CUTTING INSERT AND CUTTING TOOL
    6.
    发明申请
    CUTTING INSERT AND CUTTING TOOL 有权
    切割刀具和切割工具

    公开(公告)号：US20150266100A1

    公开(公告)日：2015-09-24

    申请号：US14434876

    申请日：2013-10-09

    申请人： Sumitomo Electric Hardmetal Corp.

    发明人： Katsumi Okamura ,  Yosuke Korogi ,  Naoki Watanobe ,  Nozomi Tsukihara ,  Hiroki Yonekura

    IPC分类号： B23B27/14

    CPC分类号： B23B27/145 ,  B23B2200/0471 ,  B23B2200/0476 ,  B23B2200/125 ,  B23B2200/128 ,  B23B2200/3627 ,  B23B2226/125 ,  B23C2200/128 ,  Y10T407/22 ,  Y10T407/23 ,  Y10T407/27

    摘要： A cutting tool includes a cutting insert that is held in a holder in a detachable manner. The cutting insert has a substantially regular quadrangular shape in plan view and includes four round corners. The cutting insert is formed of CBN sinter as a whole. The cutting insert includes two principal surfaces that are upper and lower surfaces opposite to each other, and four side surfaces that are arranged so as to connect the principal surfaces to each other. A boundary portion (ridge line portion) between each of the principal surfaces and each of the side surfaces forms a cutting edge. In a central portion of each of the side surfaces of the cutting insert, a groove for absorbing a crack, having a substantially V-shape in cross section, is formed all around the cutting insert so as to be recessed with respect to the side surfaces.

    摘要翻译： 切割工具包括以可拆卸的方式保持在保持器中的切削刀片。 切削刀片在平面图中具有基本上规则的四边形形状并且包括四个圆角。 切削刀片整体由CBN烧结体形成。 切削刀片包括彼此相对的上表面和下表面的两个主表面和被布置成将主表面彼此连接的四个侧表面。 在每个主表面和每个侧表面之间的边界部分（脊线部分）形成切割边缘。 在切削刀片的每个侧表面的中心部分中，在切削刀片周围形成有用于吸收裂纹的槽，其具有大致V形截面，以便相对于侧面凹陷 。