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    DRILL WITH CUTTING INSERTS
    26.
    发明授权
    DRILL WITH CUTTING INSERTS 有权
    与切削刀片钻头

    公开(公告)号：EP2167262B1

    公开(公告)日：2013-07-03

    申请号：EP07746913.8

    申请日：2007-06-14

    申请人： TaeguTec Ltd.

    发明人： BAE, Byung Gyun

    IPC分类号： B23B51/02 ,  B23B51/04

    CPC分类号： B23B51/048 ,  B23B2200/125 ,  B23B2205/12 ,  B23B2251/50 ,  Y10T407/23 ,  Y10T408/905 ,  Y10T408/906 ,  Y10T408/907 ,  Y10T408/9098 ,  Y10T408/90993

    摘要： The present invention relates to a drill body for a drill having a rotational axis, comprising an inner pocket (20) formed adjacent to the rotational axis at a proximal end of the drill body and an outer pocket (20') formed further away from the rotational axis than the inner pocket at the proximal end of the drill body. Each of said pockets comprises a first wall (51, 61, 51", 61") facing the workpiece, a second wall (51', 61', 51"', 61"') substantially perpendicular to the first wall and disposed adjacent to the rotational axis of the drill body, and a bottom surface (71, 71'). Each of the first wall and the second wall comprise a respective flat lower side surface (61, 61', 61", 61 "', 61"") adjacent to the bottom surface and a respective curved upper surface (51, 51', 51", 51"', 51"") extending from the lower side surface. The first walls of the inner and outer pockets include identical surface shapes while the second walls of the inner and outer pockets include identical surface shapes.

    Drill with cutting inserts
    27.
    发明公开
    Drill with cutting inserts 审中-公开
    Bohrer undSchneideinsätze

    公开(公告)号：EP2514544A1

    公开(公告)日：2012-10-24

    申请号：EP12176931.9

    申请日：2007-06-14

    申请人： TaeguTec Ltd.

    发明人： The designation of the inventor has not yet been filed

    IPC分类号： B23B51/04

    摘要： The present invention relates to a drill body for a drill having a rotational axis, comprising an inner pocket (20) formed adjacent to the rotational axis at a proximal end of the drill body and an outer pocket (20') formed further away from the rotational axis than the inner pocket at the proximal end of the drill body. Each of said pockets comprises a first wall (51, 61, 51", 61") facing the workpiece, a second wall (51', 61', 51"', 61"') substantially perpendicular to the first wall and disposed adjacent to the rotational axis of the drill body, and a bottom surface (71, 71'). Each of the first wall and the second wall comprise a respective flat lower side surface (61, 61', 61", 61 "', 61"") adjacent to the bottom surface and a respective curved upper surface (51, 51', 51", 51"', 51"") extending from the lower side surface. The first walls of the inner and outer pockets include identical surface shapes while the second walls of the inner and outer pockets include identical surface shapes.

    摘要翻译： 本发明涉及一种具有旋转轴线的钻头钻体，包括在钻体的近端处与旋转轴线相邻形成的内凹部（20），以及形成为远离 旋转轴线比钻体的近端处的内袋。 每个所述袋包括面向工件的第一壁（51,61,51“，61”），基本上垂直于第一壁的第二壁（51'，61'，51“，61”'） 相对于钻体的旋转轴线和底面（71,71'）。 第一壁和第二壁中的每一个包括与底面相邻的相应的平坦的下侧表面（61,61'，61“，61”'，61“”）和相应的弯曲的上表面（51,51' 51“，51”'，51“”）。 内袋和外袋的第一壁包括相同的表面形状，而内袋和外袋的第二壁包括相同的表面形状。

    CUTTING INSERT AND TOOL ASSEMBLY COMPRISING THE SAME
    29.
    发明公开
    CUTTING INSERT AND TOOL ASSEMBLY COMPRISING THE SAME 审中-公开
    刀片和这些全面的工具组件

    公开(公告)号：EP2437907A1

    公开(公告)日：2012-04-11

    申请号：EP09845560.3

    申请日：2009-06-02

    申请人： TaeguTec Ltd.

    发明人： KIM, Dong Seob

    IPC分类号： B23B27/16 ,  B23C5/22 ,  B23C5/20

    CPC分类号： B23C5/1027 ,  B23C5/202 ,  B23C5/2213 ,  B23C2200/123 ,  B23C2200/128 ,  B23C2200/203 ,  Y10T407/2206 ,  Y10T407/23

    摘要： The present invention discloses a cutting insert having a plurality of cutting edges formed thereon, and a tool assembly comprising the above cutting insert and a tool holder to which the cutting insert can be mounted securely. A cutting insert according to the present invention comprises an upper face, a lower face, a central axial hole and a plurality of side faces connecting the upper face and the lower faces, each of the side faces being convexed in the lateral direction, round-shaped upper and lower cutting edges being formed at a border portion between the upper face and each of side faces and a border portion between the lower face and each of the side faces, respectively, each of the side faces comprising an axially dented portion formed between the upper cutting edge and the lower cutting edge, the axially dented portion being extended in a widthwise direction and being a flat face perpendicular to the upper and lower faces. A tool assembly according to the present invention comprises a tool holder on which a plurality of pockets are formed, and a plurality of cutting inserts, each of which being mounted in the pocket. In the tool assembly, the cutting insert comprises an upper face, a lower face, a central axial hole and a plurality of side faces connecting the upper face and the lower faces, each of the side faces being convexed in the lateral direction, round-shaped upper and lower cutting edges being formed at a border portion between the upper face and each of side faces and a border portion between the lower face and each of the side faces, respectively, each of the side faces having an axially dented portion formed between the upper cutting edge and the lower cutting edge, the axially dented portion being extended in a widthwise direction and being a flat face perpendicular to the upper and lower faces. Also, the pocket formed on the tool holder consists of a bottom face and at least two side walls, and the lower face of the cutting insert is supported by the bottom face of the pocket and the side faces are supported by the side walls the pocket.

    CUTTING INSERT
    30.
    发明公开
    CUTTING INSERT 有权
    切割插入

    公开(公告)号：EP2435204A1

    公开(公告)日：2012-04-04

    申请号：EP09845269.1

    申请日：2009-06-26

    申请人： TaeguTec Ltd.

    发明人： CHOI, Chang Hee ,  PARK, Chang Gyu ,  CHOI, Sung Pil

    IPC分类号： B23C5/02

    CPC分类号： B23C5/109 ,  B23C5/202 ,  B23C2200/0477 ,  B23C2200/203 ,  B23C2200/208 ,  B23C2210/0442 ,  B23C2210/045 ,  Y10T407/1924 ,  Y10T407/1962 ,  Y10T407/23

    摘要： The present invention provides a cutting insert comprising a top surface, a bottom surface, a plurality of side surfaces that connect the top and bottom surfaces and form an obtuse angle with the bottom surface as well as an acute angle with the top surface. The side surfaces comprise a first side surface and a second side surface, which form an obtuse angle with each other when seen from the above. A main cutting edge is formed at an intersection between the first side surface and the top surface. An inclined cutting edge, which is only for ramp milling, and a minor cutting edge are formed at an intersection between the second side surface and the top surface. An obtuse angle, which the second side surface forms with the bottom surface, is greater than that which the first side surface forms with the bottom surface.

    摘要翻译： 本发明提供一种切削刀片，其包括顶面，底面，连接顶面和底面并且与底面形成钝角并与顶面成锐角的多个侧面。 侧表面包括第一侧表面和第二侧表面，当从上方看时，所述第一侧表面和第二侧表面彼此形成钝角。 主切削刃形成在第一侧面和顶面之间的交叉处。 在第二侧面和顶面之间的交叉处形成仅用于斜面铣削的倾斜切削刃和次切削刃。 第二侧面与底面形成的钝角大于第一侧面与底面形成的角度。