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    Indexable insert and drill using the same
    1.
    发明授权
    Indexable insert and drill using the same 有权
    可转位刀片和钻头使用相同的

    公开(公告)号：US08197163B2

    公开(公告)日：2012-06-12

    申请号：US12044529

    申请日：2008-03-07

    申请人： Kazuchika Nasu ,  Makoto Abe ,  Masaaki Jindai

    发明人： Kazuchika Nasu ,  Makoto Abe ,  Masaaki Jindai

    IPC分类号： B23B27/16 ,  B23B51/00

    CPC分类号： B23B27/141 ,  B23B51/048 ,  B23B2200/086 ,  B23B2251/50 ,  Y10T407/235 ,  Y10T408/905

    摘要： An indexable insert for a drill includes a chip breaker for disposing chips, provided at an upper face thereof along a cutting edge. The chip breaker has at least one recess. The recess is retracted from an end of the chip breaker near the cutting edge toward the center of the insert by 0.2 mm or greater, or an end of the recess near a center hole of the insert communicates with the center hole.

    摘要翻译： 用于钻头的可转位插入件包括用于设置切屑的切屑破碎机，其设置在切削刃的上表面处。 断屑器具有至少一个凹槽。 凹槽从切割刃附近的切屑边缘的一端朝向插入件的中心缩回0.2mm以上，或者插入件的中心孔附近的凹部的一端与中心孔连通。

    THROW-AWAY DRILL AND TIP ARRANGEMENT METHOD FOR THE DRILL
    2.
    发明申请
    THROW-AWAY DRILL AND TIP ARRANGEMENT METHOD FOR THE DRILL 有权
    钻孔钻头和钻头安装方法

    公开(公告)号：US20100034606A1

    公开(公告)日：2010-02-11

    申请号：US12520338

    申请日：2007-12-21

    申请人： Kazuchika Nasu ,  Atsuhiko Maeta

    发明人： Kazuchika Nasu ,  Atsuhiko Maeta

    IPC分类号： B23B51/02 ,  B23B35/00 ,  B23B51/00

    CPC分类号： B23B51/048 ,  B23B2200/201 ,  B23B2251/14 ,  B23B2251/18 ,  Y10T408/03 ,  Y10T408/87 ,  Y10T408/899 ,  Y10T408/905 ,  Y10T408/906 ,  Y10T408/9097

    摘要： An object is to provide an indexable drill which has cutting edges formed of a plurality of indexable inserts and which provides stable performance so that the accuracy of entrance hole diameter and exit hole diameter is improved and generation of burrs at the hole exit can be suppressed.Indexable inserts 5-1 and 5-2 which form a center cutting edge 8 and a peripheral cutting edge 9 are attached to a drill main body 1 at an end thereof. A ratio between a cutting contribution A of the center cutting edge 8 and a cutting contribution B of the peripheral cutting edge 9 is set such that the cutting contribution A of the center cutting edge is larger. The indexable insert 5-2 is disposed so at to project forward in the axial direction from the indexable insert 5-1 so that an outer-end corner 9a of the peripheral cutting edge 9 engages a workpiece first.

    摘要翻译： 本发明提供一种可转位钻头，其具有由多个可转位刀片形成的切削刃，并提供稳定的性能，从而提高入口孔直径和出口孔径的精度，并且可以抑制孔出口处的毛刺产生。 形成中心切削刃8和外周切削刃9的可转位刀片5-1和5-2在其末端附接到钻头主体1。 中心切削刃8的切削贡献A与周边切削刃9的切削贡献B之间的比率被设定为使得中心切削刃的切削贡献A较大。 可转位插入件5-2设置成从可转位刀片5-1沿轴向向前突出，使得周边切削刃9的外端拐角9a首先接合工件。

    Indexable drill and method for arranging inserts in the drill
    4.
    发明授权
    Indexable drill and method for arranging inserts in the drill 有权
    可转位钻头和钻头插入件的安装方法

    公开(公告)号：US08388278B2

    公开(公告)日：2013-03-05

    申请号：US12520338

    申请日：2007-12-21

    申请人： Kazuchika Nasu ,  Atsuhiko Maeta

    发明人： Kazuchika Nasu ,  Atsuhiko Maeta

    IPC分类号： B23B51/02

    CPC分类号： B23B51/048 ,  B23B2200/201 ,  B23B2251/14 ,  B23B2251/18 ,  Y10T408/03 ,  Y10T408/87 ,  Y10T408/899 ,  Y10T408/905 ,  Y10T408/906 ,  Y10T408/9097

    摘要： An indexable drill which has cutting edges formed of a plurality of indexable inserts and which provides stable performance so that the accuracy of entrance hole diameter and exit hole diameter is improved and generation of burrs at the hole exit can be suppressed. Indexable inserts which form a center cutting edge and a peripheral cutting edge are attached to a drill main body at an end thereof. A ratio between a cutting contribution of the center cutting edge and a cutting contribution of the peripheral cutting edge is set such that the cutting contribution of the center cutting edge is larger. The indexable insert is disposed so at to project forward in the axial direction from the indexable insert so that an outer-end corner of the peripheral cutting edge engages a workpiece first.

    摘要翻译： 一种可转位钻头，其具有由多个可转位刀片形成的切削刃，并提供稳定的性能，从而提高了入口孔径和出口孔径的精度，并且可以抑制孔出口处的毛刺产生。 形成中心切削刃和周边切削刃的可转位刀片在其末端附接到钻头主体。 设定中心切削刃的切削贡献与外周切削刃的切削贡献之间的比例，使得中心切削刃的切削贡献较大。 可转位插入件设置成从可转位刀片沿轴向向前突出，使得周边切削刃的外端角部首先接合工件。

    INDEXABLE INSERT AND DRILL USING THE SAME
    5.
    发明申请
    INDEXABLE INSERT AND DRILL USING THE SAME 有权
    使用相同的可拆卸插入和钻孔

    公开(公告)号：US20080219791A1

    公开(公告)日：2008-09-11

    申请号：US12044529

    申请日：2008-03-07

    申请人： Kazuchika NASU ,  Makoto Abe ,  Masaaki Jindai

    发明人： Kazuchika NASU ,  Makoto Abe ,  Masaaki Jindai

    IPC分类号： B23B51/00

    CPC分类号： B23B27/141 ,  B23B51/048 ,  B23B2200/086 ,  B23B2251/50 ,  Y10T407/235 ,  Y10T408/905

    摘要： An indexable insert for a drill includes a chip breaker for disposing chips, provided at an upper face thereof along a cutting edge. The chip breaker has at least one recess. The recess is retracted from an end of the chip breaker near the cutting edge toward the center of the insert by 0.2 mm or greater, or an end of the recess near a center hole of the insert communicates with the center hole.

    摘要翻译： 用于钻头的可转位插入件包括用于设置切屑的切屑破碎机，其设置在切削刃的上表面处。 断屑器具有至少一个凹槽。 凹槽从切割刃附近的切屑边缘的一端朝向插入件的中心缩回0.2mm以上，或者插入件的中心孔附近的凹部的一端与中心孔连通。

    Throwaway inserts and throwaway drill
    7.
    发明授权
    Throwaway inserts and throwaway drill 失效
    抛出刀片和一次性钻

    公开(公告)号：US5954459A

    公开(公告)日：1999-09-21

    申请号：US3820

    申请日：1998-01-07

    申请人： Kazuo Noguchi ,  Masaaki Jindai ,  Kazuyoshi Kimura ,  Kazuchika Nasu

    发明人： Kazuo Noguchi ,  Masaaki Jindai ,  Kazuyoshi Kimura ,  Kazuchika Nasu

    IPC分类号： B23B51/00 ,  B23B27/14 ,  B23B51/04 ,  B23B51/02

    CPC分类号： B23B27/145 ,  B23B51/048 ,  Y10S408/713 ,  Y10T407/23 ,  Y10T408/455 ,  Y10T408/906

    摘要： A throwaway drill capable of machining a workpiece stably in a balanced manner even under high-efficiency, high-load conditions and capable of disposing of chips efficiently and smoothly. The drill carries an outer insert and an inner insert. As shown, each insert has a plurality of cutting edges each having a curved crest, a first slope, and a second slope which is at least partially a curved line. The inner and outer inserts are arranged so that the cutting area to be cut by the outer insert alone is partially cut by a cutting edge portion of the inner insert near its corner, and the cutting area which to be cut by the inner insert alone is partially cut by the crest of one cutting edge of the outer insert.

    摘要翻译： 一种即使在高效，高负荷条件下也能以均衡的方式平稳地加工工件并且能够有效且平稳地处理芯片的一次性钻头。 钻头带有外部插入件和内部插入件。 如图所示，每个插入件具有多个切削刃，每个切削刃具有至少部分曲线的弯曲波峰，第一斜坡和第二斜坡。 内外嵌件被布置成使得仅由外嵌件单独切割的切割区域被内插件的靠近其角部的切割边缘部分地切割，并且由内嵌件单独切割的切割区域是 由外部插入件的一个切削刃的顶部部分切割。