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    Ceramic cutting insert
    3.
    发明授权
    Ceramic cutting insert 失效
    陶瓷切削刀片

    公开(公告)号：US4963061A

    公开(公告)日：1990-10-16

    申请号：US334624

    申请日：1989-04-07

    申请人： Karl Katbi ,  John H. Patterson ,  Tony M. Lowe ,  Yefim Val ,  Thomas J. Bernadic ,  Brendan L. Brockett

    发明人： Karl Katbi ,  John H. Patterson ,  Tony M. Lowe ,  Yefim Val ,  Thomas J. Bernadic ,  Brendan L. Brockett

    IPC分类号： B23B27/14

    CPC分类号： B23B27/143 ,  Y10T407/23 ,  Y10T407/235 ,  Y10T407/245 ,  Y10T407/27

    摘要： In a ceramic indexable cutting insert, an edge strengthening land extends rearwardly of a beveled cutting edge at an angle of from about 80 to about 100 degrees with respect to the peripheral side surface, and a grooved recess extents rearwardly and along the edge strengthening land to direct chips upwardly and outwardly away from the insert and the cutting edge. In one embodiment of the present invention intended for conditions of heavy depth of cut, enhanced edge strength is sacrificed and an edge strengthened land is not provided.

    摘要翻译： 在陶瓷可转位的切削刀片中，边缘加强筋相对于周边侧表面以大约80度至大约100度的角度从斜面切割边缘的后方延伸，并且带槽的凹槽向后延伸并且沿着边缘加强边缘到 直接将芯片向上和向外离开插入件和切割边缘。 在本发明的一个实施例中，为了切割深度较大的条件，牺牲了增强的边缘强度，并且不提供边缘加强的平台。

    Special boring insert
    6.
    发明授权
    Special boring insert 失效
    特殊钻孔插入

    公开(公告)号：US5333972A

    公开(公告)日：1994-08-02

    申请号：US998753

    申请日：1992-11-23

    申请人： Thomas J. Bernadic ,  John H. Patterson ,  Brendan L. Brockett

    发明人： Thomas J. Bernadic ,  John H. Patterson ,  Brendan L. Brockett

    IPC分类号： B23B27/14 ,  B26D1/00

    CPC分类号： B23B27/141 ,  B23B2200/202 ,  B23B2200/369 ,  Y10T407/23 ,  Y10T407/235

    摘要： An indexable, on edge, reversible cutting insert for use with a boring toolhead, comprising a body having parallelogram shaped top and bottom seating faces equipped with an off center aperture there through, and at least one cutting face. The cutting face is equipped with a bidirectional chip breaker groove on each side of the cutting face to define an island, each side groove having a slotting, progressively deepening recess extending along the edge of said cutting face, said groove presenting an increasing incident angled and having a positive rake and an axial rake around the edge of the cutting face, which together form an obtuse angle, said groove forming at least two cutting corners diagonally apposed to each other. Each cutting corner is comprised of a scalloped radius formed in the island which intersects a chip directional flat formed in the groove, at an obtuse angle to form a bidirectional pocket area.

    摘要翻译： 一种用于钻孔工具头的可转位的边缘可逆切削刀片，包括具有平行四边形形状的顶部和底部安装面的主体，所述主体具有穿过其中的偏心孔和至少一个切割面。 切割面在切割面的每一侧配备有双向断屑槽，以限定一个岛，每个侧槽具有沿所述切割面的边缘延伸的开槽，逐渐加深的凹槽，所述凹槽具有增加的入射角和 具有正切削和围绕切割面的边缘的轴向前刀，它们一起形成钝角，所述槽形成至少两个彼此对角地设置的切割角。 每个切割角包括形成在岛上的扇形半径，其以形成在凹槽中的切片定向平面相交，以钝角形成双向凹槽区域。

    Scalloped polygonal cutting insert
    7.
    发明授权
    Scalloped polygonal cutting insert 失效
    扇形多边形切削刀片

    公开(公告)号：US4705434A

    公开(公告)日：1987-11-10

    申请号：US944789

    申请日：1986-12-22

    申请人： John H. Patterson ,  Thomas J. Bernadic

    发明人： John H. Patterson ,  Thomas J. Bernadic

    IPC分类号： B23B27/14 ,  B23B27/22

    CPC分类号： B23B27/143 ,  Y10T407/235 ,  Y10T407/245

    摘要： In polygonal cutting insert, each of the respective parallel faces of the insert include a single chip breaker scallop positioned at each corner wherein the scallop is formed as segments of conical frustum having a particular orientation.

    摘要翻译： 在多边形切削刀片中，插入件的各个平行面中的每一个包括位于每个拐角处的单个断屑扇扇形扇形，其中扇贝形成为具有特定取向的锥形截头圆锥体段。