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    Ballnose cutting tool and ballnose cutting insert
    2.
    发明授权
    Ballnose cutting tool and ballnose cutting insert 有权

    公开(公告)号：US09700947B2

    公开(公告)日：2017-07-11

    申请号：US14316956

    申请日：2014-06-27

    Applicant: Kennametal Inc.

    Inventor： Jean-Luc Dufour ,  X. Daniel Fang ,  David J. Wills ,  Kelvin G. L. Hobbs

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

    CPC classification number: B23C5/2221 ,  B23C5/1045 ,  B23C2200/165 ,  B23C2200/203 ,  B23C2200/205 ,  B23C2210/163 ,  B23C2210/168

    Abstract: A ballnose cutting insert has a top face, a bottom face, a plurality of side clearance faces, a first nose corner, a second nose corner, and a first elongate cutting edge at the top face, a second elongate cutting edge at the top face, and a fastener bore with a center. There is a first open-end notch below the first nose corner, and a second open-end notch below the second nose corner. The first open-end notch is defined at least in part by a first generally planar engaging surface, and the second open-end notch is defined at least in part by a second generally planar engaging surface. The first generally planar engaging surface is disposed at a disposition angle relative to the second engaging surface, and the disposition angle is not equal to zero degrees. The first generally planar engaging surface is disposed from the center of the fastener bore a first abutment distance as measured along a line perpendicular to the first generally planar engaging surface. The second generally planar engaging surface is disposed from the center of the fastener bore a second abutment distance as measured along a line perpendicular to the second generally planar engaging surface. The first abutment distance is equal to the second abutment distance.

    BALLNOSE CUTTING TOOL AND BALLNOSE CUTTING INSERT
    4.
    发明申请
    BALLNOSE CUTTING TOOL AND BALLNOSE CUTTING INSERT 有权
    BALLNOSE切割工具和BALLNOSE切割插件

    公开(公告)号：US20150375310A1

    公开(公告)日：2015-12-31

    申请号：US14316956

    申请日：2014-06-27

    Applicant: Kennametal Inc.

    Inventor： Jean-Luc Dufour ,  X. Daniel Fang ,  David J. Wills ,  Kelvin G.L. Hobbs

    IPC: B23C5/10

    CPC classification number: B23C5/2221 ,  B23C5/1045 ,  B23C2200/165 ,  B23C2200/203 ,  B23C2200/205 ,  B23C2210/163 ,  B23C2210/168

    Abstract: A ballnose cutting insert has a top face, a bottom face, a plurality of side clearance faces, a first nose corner, a second nose corner, and a first elongate cutting edge at the top face, a second elongate cutting edge at the top face, and a fastener bore with a center. There is a first open-end notch below the first nose corner, and a second open-end notch below the second nose corner. The first open-end notch is defined at least in part by a first generally planar engaging surface, and the second open-end notch is defined at least in part by a second generally planar engaging surface. The first generally planar engaging surface is disposed at a disposition angle relative to the second engaging surface, and the disposition angle is not equal to zero degrees. The first generally planar engaging surface is disposed from the center of the fastener bore a first abutment distance as measured along a line perpendicular to the first generally planar engaging surface. The second generally planar engaging surface is disposed from the center of the fastener bore a second abutment distance as measured along a line perpendicular to the second generally planar engaging surface. The first abutment distance is equal to the second abutment distance.

    Abstract translation: 圆珠笔切削刀片具有上表面，底面，多个侧面间隙面，第一鼻角，第二鼻角和位于顶面的第一细长切割边缘，在顶面的第二细长切割边缘 和具有中心的紧固件孔。 第一个鼻角下面有一个第一个开口的凹口，第二个鼻角下方有一个第二个开口的凹口。 第一开口凹口至少部分地由第一大致平面的接合表面限定，并且第二开口凹口至少部分地由第二大致平面的接合表面限定。 第一大致平面的接合表面以相对于第二接合表面的配置角度设置，并且配置角度不等于零度。 第一大致平面的接合表面从紧固件孔的中心设置为沿着垂直于第一大致平坦的接合表面的线测量的第一邻接距离。 第二大体上平面的接合表面从紧固件孔的中心设置成沿着垂直于第二大体上平坦的接合表面的线测量的第二邻接距离。 第一邻接距离等于第二邻接距离。

    PRISMATIC AND CYLINDRICAL CUTTING INSERTS
    5.
    发明申请
    PRISMATIC AND CYLINDRICAL CUTTING INSERTS 有权
    预制和圆柱切割插件

    公开(公告)号：US20150224586A1

    公开(公告)日：2015-08-13

    申请号：US14178628

    申请日：2014-02-12

    Applicant: Kennametal Inc.

    Inventor： X. Daniel Fang

    IPC: B23C5/20

    CPC classification number: B23C5/20 ,  B23C5/06 ,  B23C5/2204 ,  B23C2200/04 ,  B23C2200/286 ,  B23C2200/363 ,  B23C2210/168 ,  B23C2226/125 ,  B23C2226/315 ,  B23C2250/12 ,  Y10T407/22 ,  Y10T407/23 ,  Y10T407/235

    Abstract: A prismatic and cylindrical cutting insert for long edge rotary milling applications has multiple indexable cutting edges ranging from four to six or even more depending on the actual milling applications. Each cutting edge of a prismatic or cylindrical cutting insert provides a positive cutting geometry and is equivalent to an indexable cutting edge of a traditional single-sided parallelogram-shaped cutting insert having two indexable cutting edges (often referred as A-Style insert). The prismatic and cylindrical (including tapered or conical) cutting insert may be used for machining a wide range of materials including difficult-to-machine materials, cast-iron and alloys, aluminum and alloys, carbon steels, and fiber reinforced composites.

    Abstract translation: 用于长边旋转铣削应用的棱柱和圆柱形切削刀片根据实际的铣削应用具有四到六甚至更多的可转位切削刃。 棱柱形或圆柱形切削刀片的每个切削刃提供正切削几何形状，并且相当于具有两个可转位切削刃（通常称为A型刀片）的传统单面平行四​​边形切削刀片的可转位切削刃。 棱柱形和圆柱形（包括锥形或锥形）切削刀片可用于加工各种材料，包括难加工材料，铸铁和合金，铝和合金，碳钢和纤维增强复合材料。

    Cutting insert for high feed face milling
    7.
    发明授权
    Cutting insert for high feed face milling 有权
    切削刀片用于高进给面铣削

    公开(公告)号：US08821080B2

    公开(公告)日：2014-09-02

    申请号：US13721335

    申请日：2012-12-20

    Applicant: Kennametal Inc.

    Inventor： Gilles Festeau ,  Jean-Luc Dufour ,  X. Daniel Fang ,  David J. Wills

    IPC: B23B27/16 ,  B23C5/20 ,  B23C5/06 ,  B23B1/00

    CPC classification number: B23C5/207 ,  B23C5/06 ,  B23C5/202 ,  B23C5/205 ,  B23C2200/125 ,  B23C2200/203 ,  B23C2220/44 ,  Y10T407/191 ,  Y10T407/1924 ,  Y10T407/2274 ,  Y10T407/23 ,  Y10T407/235 ,  Y10T409/303752

    Abstract: A cutting insert for milling operations, such as, face milling, slot milling, plunge milling, and ramping operations. The cutting insert exhibits a combination of favorable cutting edge strength, and unique cutting edge geometry, thus, allowing milling operations at relatively high feed rates. The cutting insert includes at least four cutting edges, wherein at least one of the cutting edges is a convex cutting edge. Certain embodiments of square cutting inserts will have four convex cutting edges which may be connected by nose corners. The convex cutting edge may comprise at least one of a circular arc, a portion of an ellipse, a portion of a parabola, a multi-segment spline curve, a straight line, or combinations of these. Wherein the convex cutting edge comprises a circular arc, the circular arc may have a radius greater than or equal to two times a radius of the largest circle that may be inscribed on the top surface.

    Abstract translation: 用于铣削操作的切削刀片，例如铣削，铣槽，铣削和斜坡操作。 切削刀片具有有利的切削刃强度和独特的切削刃几何形状的组合，从而允许以相对高的进给速率进行铣削操作。 所述切削刀片包括至少四个切削刃，其中所述切削刃中的至少一个是凸形切削刃。 方形切削刀片的某些实施例将具有可以通过鼻角连接的四个凸形切削刃。 凸形切削刃可以包括圆弧，椭圆的一部分，抛物线的一部分，多段花键曲线，直线或它们的组合中的至少一个。 其中，所述凸形切削刃包括圆弧，所述圆弧的半径可以大于或等于可能刻在所述顶面上的最大圆的半径的两倍。

    DOUBLE-SIDED CUTTING INSERTS WITH ANTI-ROTATION FEATURES
    9.
    发明申请
    DOUBLE-SIDED CUTTING INSERTS WITH ANTI-ROTATION FEATURES 有权
    具有抗旋转特征的双面切割插件

    公开(公告)号：US20140086696A1

    公开(公告)日：2014-03-27

    申请号：US13625960

    申请日：2012-09-25

    Applicant: Kennametal Inc.

    Inventor： X. Daniel Fang ,  Jean-Luc Dufour ,  David J. Wills

    IPC: B23C5/22 ,  B23B27/22 ,  B23B27/16

    CPC classification number: B23C5/2221 ,  B23C2200/045 ,  B23C2200/161 ,  B23C2200/168 ,  B23C2210/168 ,  B23C2210/66 ,  Y10T407/2266 ,  Y10T407/2274 ,  Y10T407/23 ,  Y10T407/235 ,  Y10T409/303752

    Abstract: A double-sided cutting insert may generally comprise a top surface, a bottom surface, at least one side surface interconnecting the top surface and the bottom surface and forming at least one cutting edge, a through hole extending between the top surface and bottom surface, wherein each of the top surface and bottom surface comprise at least one anti-rotation element. The cutting insert may comprise a single anti-rotation element on the top surface and a single anti-rotation element on the bottom surface. The anti-rotation element may be proximate to the through hole. A cutting tool using the cutting inserts, as well as methods of making and using the same are also described.

    Abstract translation: 双面切削刀片通常可以包括顶表面，底表面，互连顶表面和底表面的至少一个侧表面，并形成至少一个切削刃，在顶表面和底表面之间延伸的通孔， 其中所述顶表面和底表面中的每一个包括至少一个抗旋转元件。 切削刀片可以包括顶表面上的单个防旋转元件和底表面上的单个防旋转元件。 防旋转元件可以靠近通孔。 还描述了使用切削刀片的切削工具，以及制造和使用切削刀片的方法。

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