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    Insert and cutting tool assembly comprising same
    1.
    发明授权
    Insert and cutting tool assembly comprising same 有权

    公开(公告)号：US11969807B2

    公开(公告)日：2024-04-30

    申请号：US16743172

    申请日：2020-01-15

    申请人： TAEGUTEC LTD.

    发明人： Chang Gyu Park ,  Jae Seong Kim

    IPC分类号： B23C5/20 ,  B23C5/10 ,  B23C5/22

    CPC分类号： B23C5/202 ,  B23C5/109 ,  B23C5/2213 ,  B23C2200/081 ,  B23C2200/161 ,  B23C2210/168

    摘要： An insert configured to be assembled to a tool for cutting a workpiece, includes: an upper surface including first to fourth upper corner portions formed in respective quadrants divided by a first imaginary vertical axis and a first imaginary horizontal axis that are perpendicular to each other; and a lower surface formed below the upper surface in a height direction and including first to fourth lower corner portions formed in respective quadrants divided by a second imaginary vertical axis and a second imaginary horizontal axis that are perpendicular to each other. A lower ridge portion protruding downward in the height direction is formed on the lower surface, and extends across the second and fourth lower corner portions, which are symmetrical with respect to a center of the lower surface.

    CUTTING TOOL ASSEMBLY
    2.
    发明公开
    CUTTING TOOL ASSEMBLY 审中-公开

    公开(公告)号：US20240131599A1

    公开(公告)日：2024-04-25

    申请号：US18049333

    申请日：2022-10-24

    申请人： TAEGUTEC LTD.

    发明人： SANG YOUNG LEE

    IPC分类号： B23B29/04

    CPC分类号： B23B29/043 ,  B23B2205/02 ,  B23B2220/126

    摘要： A cutting tool assembly includes: a tool body extending in a longitudinal direction; a lower jaw extending and protruding forward from the tool body; a clamping portion disposed to be spaced apart from a top surface of the tool body; an upper jaw extending forward from the clamping portion and facing the lower jaw; an elastic connecting portion elastically connecting the tool body and the clamping portion to each other on a rear side of the clamping portion; a clamping screw penetrating the clamping portion downwardly and fastened to the tool body; and an upper coolant channel through which coolant flows, the upper coolant channel penetrating the elastic connection part, the clamping portion, and the upper jaw. In a width direction perpendicular to the longitudinal direction, a width of the clamping portion is in a range of 40% to 80% of a width of the tool body.

    Insert holder and cutting tool assembly including the same
    3.
    发明授权
    Insert holder and cutting tool assembly including the same 有权

    公开(公告)号：US11813679B2

    公开(公告)日：2023-11-14

    申请号：US17172170

    申请日：2021-02-10

    申请人： TAEGUTEC LTD.

    发明人： Sang Young Lee

    IPC分类号： B23C5/10 ,  B23B31/107 ,  B23B51/00

    CPC分类号： B23C5/10 ,  B23B31/1075 ,  B23B51/0004 ,  B23B51/0005 ,  B23B2231/0204

    摘要： A cutting tool assembly includes a tool shank having a coupling opening, and an insert holder having an insert body to which an insert is coupled and detachably attached. A coupling protrusion protrudes from one surface of the insert body and is detachably coupled to the tool shank. Located on the coupling protrusion are a tapered contact portion which comes into contact with the coupling opening and provides a fixing force to fix the insert holder to the tool shank, and a contact surface at a rear end of the tapered contact portion which couples to a fastening member.

    Cutting insert and rotary cutting tool including same
    4.
    发明授权
    Cutting insert and rotary cutting tool including same 有权

    公开(公告)号：US11491560B1

    公开(公告)日：2022-11-08

    申请号：US17374501

    申请日：2021-07-13

    申请人： TAEGUTEC LTD.

    发明人： Chang Gyu Park ,  Kang Sool Jung ,  Dong Hyun Kim

    IPC分类号： B23C5/02 ,  B23C5/22 ,  B23C5/10

    摘要： A cutting insert includes an upper surface, a lower surface opposite to the upper surface, a first side surface and a second side surface configured to connect the upper surface and the lower surface, a mounting hole formed to penetrate the upper surface and the lower surface, a first cutting edge formed at an edge of the upper surface that meets the first side surface, and a second cutting edge formed at an edge of the upper surface that meets the second side surface. The lower surface includes a ridge portion, and a first inclined surface and a second inclined surface positioned on both sides of the ridge portion as a boundary. When looking at the lower surface, the first inclined surface and the second inclined surface have asymmetric shapes with respect to the ridge portion.

    CUTTING INSERT AND CUTTING TOOL ASSEMBLY INCLUDING SAME
    6.
    发明申请
    CUTTING INSERT AND CUTTING TOOL ASSEMBLY INCLUDING SAME 有权

    公开(公告)号：US20210138563A1

    公开(公告)日：2021-05-13

    申请号：US16682521

    申请日：2019-11-13

    申请人： TAEGUTEC LTD.

    发明人： Chang Gyu Park ,  Su Jin Ryu ,  Kyu Yeol Baek

    IPC分类号： B23C5/10

    摘要： A cutting insert includes: an upper face including a virtual reference surface and an upper inclined surface extending to be inclined upward from the virtual reference surface; a lower face disposed below the upper face and including a lower inclined surface extending to be inclined with respect to the virtual reference surface; and a plurality of side faces connecting the upper face and the lower face. An insert bore is formed to penetrate through the upper face and the lower face along a central axis perpendicular to the virtual reference surface. A major cutting edge is formed at an edge at which the upper inclined surface meets any one side face among the plurality of side faces. A first angle between the side face, on which the major cutting edge is formed, and the upper inclined surface is greater than a second angle between the central axis and the lower inclined surface.