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    CUTTING INSERT AND TURNING TOOL
    1.
    发明公开
    CUTTING INSERT AND TURNING TOOL 审中-公开

    公开(公告)号：US20230166335A1

    公开(公告)日：2023-06-01

    申请号：US17996984

    申请日：2022-01-12

    申请人： TUNGALOY CORPORATION

    发明人： Hiroki SHIMANUKI ,  Takashi YAMAGUCHI ,  Satoshi SUZUKI

    IPC分类号： B23B27/16 ,  B23B27/10

    CPC分类号： B23B27/1611 ,  B23B27/10 ,  B23B2200/123

    摘要： Provided is a cutting insert easy to be gripped by an operator or a robot hand. First and second end surfaces (10, 20) are formed in substantially polygonal shapes having second and fourth corners (B, H) formed at obtuse angles and first and third corners (A, G) formed at acute angles. A peripheral side surface (30) includes a first curved portion (41) connecting the first and third corners (A, G), a second curved portion (42) connecting the second and fourth corners (B, H), and a first side surface (31) interposed between the first and second curved portions (41, 42). The first side surface (31) is inclined with respect to a center axis (O). The second curved portion (42) is provided with a grip portion (50), and the grip portion (50) includes at least one of a shape of each of plane surfaces (51, 53) chamfered parallel to the center axis (O) and a shape of a recessed portion (52) formed to be spaced apart from the first and second end surfaces (10, 20) and recessed toward the center axis (O).

    Indexable cutting insert for milling
    2.
    发明授权
    Indexable cutting insert for milling 有权
    用于铣削的可转位刀片

    公开(公告)号：US09333566B2

    公开(公告)日：2016-05-10

    申请号：US14129062

    申请日：2012-11-26

    申请人： SUMITOMO ELECTRIC HARDMETAL CORP.

    发明人： Atsuhiko Maeta ,  Naoki Matsuda

    IPC分类号： B23C5/12 ,  B23C5/20 ,  B23C5/06 ,  B23C5/00

    CPC分类号： B23C5/202 ,  B23B2200/123 ,  B23C5/06 ,  B23C5/207 ,  B23C2200/0455 ,  B23C2200/203 ,  B23C2200/208 ,  B23C2210/66 ,  Y10T407/235

    摘要： Corner cutting edges (7 and 8) each having a side portion connected to a minor cutting edge and curved in the same direction as that in which the minor cutting edge is curved are formed on opposite sides of the minor cutting edge (6) of an indexable cutting insert for milling including a major cutting edge (5) formed of a ridge formed by an intersection of a rake face and a flank face and the minor cutting edge (6) for finish machining curved in a convex manner when viewed from a direction perpendicular to the flank face, and the minor cutting edge (6) continues to the major cutting edge (5) via the corner cutting edges (7 and 8).

    摘要翻译： 每个切削刃（7和8）都具有连接到副切削刃的侧部并且沿与其相反的方向弯曲的切削刃（7和8）形成在副切削刃（6）的相反侧 用于铣削的可转位切削刀片包括由从前刀面和后刀面的相交面形成的脊形成的主切削刃（5）和用于从方向观察时以凸面方式弯曲的精切加工的副切削刃（6） 垂直于后刀面，并且次切削刃（6）经由拐角切削刃（7和8）继续到主切削刃（5）。

    Cutting tool and cutting insert having exactly three cutting portions therefor
    3.
    发明授权
    Cutting tool and cutting insert having exactly three cutting portions therefor 有权
    切割工具和切削刀片具有三个切割部分

    公开(公告)号：US09216463B2

    公开(公告)日：2015-12-22

    申请号：US13733717

    申请日：2013-01-03

    申请人： Iscar, Ltd.

    发明人： Gil Hecht

    IPC分类号： B23B27/04 ,  B23B27/16 ,  B23C5/20 ,  B23B27/00 ,  B23B27/14 ,  B23B29/04

    CPC分类号： B23B27/1622 ,  B23B27/007 ,  B23B27/04 ,  B23B27/145 ,  B23B27/16 ,  B23B29/043 ,  B23B2200/0419 ,  B23B2200/049 ,  B23B2200/121 ,  B23B2200/123 ,  B23B2200/369 ,  B23B2205/12 ,  B23B2220/123 ,  B23C5/207 ,  B23C2220/36 ,  Y10T407/22 ,  Y10T407/2268 ,  Y10T407/2272 ,  Y10T407/2274 ,  Y10T407/23 ,  Y10T407/235

    摘要： In a cutting tool having an indexable cutting insert with three cutting portions, the cutting insert is removably securable to an insert holder by means of a fastener. The cutting insert has two opposing end surfaces with a peripheral side surface extending therebetween. At least one end surface has a central boss protruding therefrom with a raised support surface, and the peripheral side surface has three abutment recesses. In an end view of the cutting insert, each of the three abutment recesses is visible and located inside a first imaginary circle circumscribing the visible central boss. A holding portion of the insert holder has a seating surface with at least one protuberance protruding therefrom. The support surface is in clamping contact with the seating surface, and exactly two of the three abutment recesses are engaged with the at least one protuberance.

    摘要翻译： 在具有具有三个切割部分的可转位切削刀片的切削工具中，切削刀片通过紧固件可拆卸地固定到刀片保持器。 切削刀片具有两个相对的端面，其周边侧表面在其间延伸。 至少一个端面具有从其突出的具有凸起的支撑表面的中心凸台，并且周边侧表面具有三个邻接凹部。 在切削刀片的端视图中，三个邻接凹部中的每一个是可见的并且位于限定可见中心凸台的第一假想圆的内部。 插入物保持器的保持部分具有从其突出的至少一个突起的座表面。 支撑表面与就座表面夹紧接触，并且三个邻接凹部中的正好两个与至少一个突起接合。

    INDEXABLE CUTTING INSERT FOR MILLING
    5.
    发明申请
    INDEXABLE CUTTING INSERT FOR MILLING 有权
    可选切割刀片

    公开(公告)号：US20140126970A1

    公开(公告)日：2014-05-08

    申请号：US14129062

    申请日：2012-11-26

    申请人： SUMITOMO ELECTRIC HARDMETAL CORP.

    发明人： Atsuhiko Maeta ,  Naoki Matsuda

    IPC分类号： B23C5/20

    CPC分类号： B23C5/202 ,  B23B2200/123 ,  B23C5/06 ,  B23C5/207 ,  B23C2200/0455 ,  B23C2200/203 ,  B23C2200/208 ,  B23C2210/66 ,  Y10T407/235

    摘要： Corner cutting edges (7 and 8) each having a side portion connected to a minor cutting edge and curved in the same direction as that in which the minor cutting edge is curved are formed on opposite sides of the minor cutting edge (6) of an indexable cutting insert for milling including a major cutting edge (5) formed of a ridge formed by an intersection of a rake face and a flank face and the minor cutting edge (6) for finish machining curved in a convex manner when viewed from a direction perpendicular to the flank face, and the minor cutting edge (6) continues to the major cutting edge (5) via the corner cutting edges (7 and 8).

    摘要翻译： 每个切削刃（7和8）都具有连接到副切削刃的侧部并且沿与其相反的方向弯曲的切削刃（7和8）形成在副切削刃（6）的相反侧 用于铣削的可转位切削刀片包括由从前刀面和后刀面的相交面形成的脊形成的主切削刃（5）和用于从方向观察时以凸面方式弯曲的精切加工的副切削刃（6） 垂直于后刀面，并且次切削刃（6）经由拐角切削刃（7和8）继续到主切削刃（5）。