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    DRILL BODY OF INDEXABLE DRILL AND MANUFACTURING METHOD THEREFOR
    1.
    发明公开
    DRILL BODY OF INDEXABLE DRILL AND MANUFACTURING METHOD THEREFOR 有权
    BOHRKÖRPEREINES INDEXIERBAREN BOHRERS UND HERSTELLUNGSVERFAHRENDAFÜR

    公开(公告)号：EP2756901A1

    公开(公告)日：2014-07-23

    申请号：EP11872317.0

    申请日：2011-09-16

    申请人： OSG Corporation

    发明人： AOYAMA Takuma

    IPC分类号： B23B51/00 ,  B23P15/32

    CPC分类号： B23B51/048 ,  B23B51/0493 ,  B23B2251/14 ,  B23B2251/402 ,  B23B2251/404 ,  B23B2251/408 ,  B23B2251/422 ,  B23P15/32 ,  Y10T408/9097

    摘要： Since a pair of first spiral flute 24 and second spiral flute 26 disposed in a drill main body 12 of an indexable drill 10 is subjected to a hardening heat treatment and then mirror-finished through cutting by ball end mills 30 and 32, friction of flute inner surfaces is reduced and chips are favorably discharged. This suppresses wear, blade chipping, breakage etc., due to clogging of chips and improves durability (tool life) even in a deep hole machining indexable drill 10 having longer flute length L. An increase in cutting resistance due to clogging of chips is suppressed so that stable hole machining can be performed, and limiting machining conditions for enabling the hole machining are alleviated so that a machinable range is expanded.

    摘要翻译： 由于设置在可转位钻10的钻头主体12中的一对第一螺旋槽24和第二螺旋槽26经受硬化热处理，然后通过球头立铣刀30和32的切割进行镜面抛光， 内表面被减少，并且芯片被有利地排出。 即使在具有较长槽纹长度L的深孔加工可转位钻头10中，由于芯片堵塞也能够抑制磨损，刀片破碎，破损等，并且提高耐久性（刀具寿命）。抑制由于芯片堵塞引起的切削阻力的增加 从而可以进行稳定的孔加工，并且可以减轻能够进行孔加工的限制加工条件，从而扩大可加工范围。

    Drill Bit
    2.
    发明公开
    Drill Bit 审中-公开
    Bohrmeißel

    公开(公告)号：EP2161089A1

    公开(公告)日：2010-03-10

    申请号：EP09169346.5

    申请日：2009-09-03

    申请人： Black & Decker Inc.

    发明人： Thomas, Rickey J. ,  Probst, Florian ,  Quinn, Thomas J. ,  Joshi, Abhijeet ,  Wetzl, Alfons ,  Leidl, Albert ,  Johnson, David N.

    IPC分类号： B23B51/02

    CPC分类号： B23B51/02 ,  B23B2251/18 ,  B23B2251/241 ,  B23B2251/404

    摘要： A combination drill bit for use in both hand held drills and stationary drill presses has a shank end, a working end and a helical flute portion between the shank and working ends. The helical portion has a helix length (L) of L = D × π tanα . The drill bit has a core that is tapered from the working end to the shank end. A web thickness length at the working end is 10% to 35% of the diameter and the thickness length at the junction of the shank end is 70% to 90% of the diameter. The drill bit is manufactured from a high speed steel including at least 5% by weight of cobalt.

    摘要翻译： 用于手持钻和固定式钻床的组合钻头具有柄端，工作端和柄与工作端之间的螺旋槽部分。 螺旋部分的螺旋长度（L）为L = D×〜tan±。 钻头具有从工作端到柄端部渐缩的芯。 工作端的腹板厚度长度为直径的10％至35％，并且在端部的接合处的厚度长度为直径的70％至90％。 该钻头由包括至少5重量％的钴的高速钢制成。

    ROTARY CUTTER
    4.
    发明公开
    ROTARY CUTTER 审中-公开
    旋转切刀

    公开(公告)号：EP2675582A2

    公开(公告)日：2013-12-25

    申请号：EP12746939.3

    申请日：2012-02-15

    申请人： Somta Tools (Pty) Ltd.

    发明人： VOLOKH, Vladimir

    IPC分类号： B23C5/12

    CPC分类号： B23C5/12 ,  B23B51/02 ,  B23B2251/248 ,  B23B2251/402 ,  B23B2251/404 ,  B23B2251/446 ,  B23C5/10 ,  B23C5/1009 ,  B23C2210/241 ,  B23C2210/405 ,  B23C2210/445 ,  B23D77/00 ,  B23D2277/44 ,  B23D2277/62 ,  Y10T407/1946 ,  Y10T407/1948 ,  Y10T407/1954 ,  Y10T408/9095

    摘要： The present invention relates to a rotary cutting tool consisting of a shank and at least one cutting section comprising a plurality of cutting teeth, the cutting section being conceptionaly and functionally divided into several sub-sections along the tool axis ("zones" for brevity), wherein each zone has its own core form and its own cutting edges, its own teeth land form and its own zone cutting length, these being selected according to the perceived task for which each zone of the tool is to be optimized.

    摘要翻译： 旋转切割工具本发明涉及一种旋转切割工具，该旋转切割工具包括一个柄和至少一个包括多个切割齿的切割部分，该切割部分沿着工具轴线概念性和功能性地分成几个子部分（为了简洁起见，“区域” ，其中每个区域具有其自己的型芯形式和其自己的切削刃，其自己的齿刃形状和其自身的区域切削长度，这些根据工具的每个区域将被优化的感知任务来选择。

    DRILLING TOOL
    5.
    发明公开
    DRILLING TOOL 审中-公开
    钻孔工具

    公开(公告)号：EP2441543A1

    公开(公告)日：2012-04-18

    申请号：EP10786126.2

    申请日：2010-06-04

    申请人： Tungaloy Corporation

    发明人： WADA Kengo ,  NISIKAWA Koji

    IPC分类号： B23B51/00

    CPC分类号： B23B51/00 ,  B23B2251/085 ,  B23B2251/14 ,  B23B2251/244 ,  B23B2251/404 ,  B23B2251/406 ,  Y10T408/905 ,  Y10T408/9095 ,  Y10T408/9097

    摘要： Chips are segmentalized to have a desired width and the chip controllability is improved and the tool rigidity is improved. A drilling tool (1) is provided that includes: a tool body (2) having an outer shape having a substantially cylindrical shape rotated around an axis line ○; a chip discharge groove (4) formed at the outer periphery of the tool body (2) to extend from the tip end side of the tool body (2) toward the rear end side; at least one sub-groove (7) formed at an inner face (6) facing the front side in the tool rotation direction T of the chip discharge groove (4) to extend from the tip end side of the tool body (2) toward the rear end side; a rake face (10); a tip end flank face (16); and a cutting edge (14) formed at a ridge line at which the tip end flank face (16) intersects with the rake face (10). The plurality of rake faces (10) form a step-like shape having at least one step section (11). The drilling tool (1) is configured so that the turnup section (8) at the rear end side of the sub-groove (7) is turned up in a different direction from the direction along which the turnup section (5) of the rear end side of the chip discharge groove (4) is turned up.

    摘要翻译： 芯片被分段以具有期望的宽度并且芯片可控制性得到改善并且刀具刚度得到改善。 本发明提供一种钻孔工具（1），其包括：工具主体（2），其具有绕轴线○旋转的大致圆筒形状的外形; 在工具主体2的外周形成有从工具主体2的前端侧向后端侧延伸的切屑排出槽4; 在从所述工具主体（2）的前端侧朝向所述切屑排出槽（4）的工具旋转方向T的前侧的内表面（6）形成的至少一个副槽（7） 后端侧; 一个前刀面（10）; 一个尖端侧面（16）; 以及形成在前端侧面（16）与前刀面（10）相交的棱线处的切削刃（14）。 多个前刀面（10）形成具有至少一个台阶部分（11）的台阶状形状。 钻孔工具（1）被构造成使得在副槽（7）的后端侧处的翻起部分（8）沿着与后部的翻起部分（5）沿着不同方向 切屑排出槽（4）的前端侧向上翻起。

    Drill bit
    7.
    发明授权
    Drill bit 有权

    公开(公告)号：EP2842673B1

    公开(公告)日：2018-11-21

    申请号：EP14182342.7

    申请日：2014-08-26

    申请人： Black & Decker Inc.

    发明人： Santamarina, Aland ,  Steinbrunner, Glen V ,  Johnson, David N

    IPC分类号： B23B51/02

    CPC分类号： B23B51/02 ,  B23B2251/043 ,  B23B2251/14 ,  B23B2251/404 ,  B23B2251/60

    摘要： An elongated drill bit (20) has a shank (22) at one end and a working end (24) at the other. A flute portion (26) is between the working end (24) and the shank (22). The flute portion (26) is continuous with the shank (22) and the working end (24) and is generally unitarily formed with them. The flute portion (26) has at least one flute (30) with a helix angle between approximately 30° and 35°. The working end (24) has a pilot tip (36) with a cutting portion (34). A tapered web (94) is formed in the flute portion (26), a thickness (K) of the web (94) at the tip of the working end (24) is about 9% to 15% of the nominal diameter (D).

    MODULARES BOHRWERKZEUG UND VERFAHREN ZU SEINER HERSTELLUNG
    8.
    发明授权
    MODULARES BOHRWERKZEUG UND VERFAHREN ZU SEINER HERSTELLUNG 有权
    模块式镗刀具及其制造方法

    公开(公告)号：EP2076345B1

    公开(公告)日：2011-07-27

    申请号：EP07818490.0

    申请日：2007-09-27

    申请人： Kennametal Inc.

    发明人： MERGENTHALER, Peter Karl

    IPC分类号： B23B51/04 ,  B23B47/34 ,  B23C3/32 ,  B23C3/36 ,  B23C3/28

    CPC分类号： B23B51/02 ,  B23B47/34 ,  B23B51/048 ,  B23B2251/04 ,  B23B2251/404 ,  B23B2251/406 ,  B23B2251/408 ,  B23B2265/08 ,  B23B2270/30 ,  B23C3/32

    摘要： The invention relates to a modular drilling tool (1) having a carrier body (2) and a cutting unit (16) attached thereto, wherein the carrier body (2) extends along a carrier body longitudinal axis (Z), which is configured substantially cylindrical to a carrier body radius (Tr) and has a chip flute (6) and a discharge edge (8) extending along the chip flute (6). The chip flute (6) extends toward the discharge edge (8) in a convexly curved manner such that - viewed in a cross-sectional view perpendicular to the carrier body longitudinal axis (Z) - a J-shaped chip flute (6) having a chamfer (18) is formed, and an acute advance angle (W) is formed between a chip flute tangent (T) on the discharge edge (8) and a radial (R) touching a groove base in the region of the chamfer (18) at a tangent point (P), thus leading to improved chip guidance in the chip flute.

    MODULARES BOHRWERKZEUG UND VERFAHREN ZU SEINER HERSTELLUNG
    9.
    发明公开
    MODULARES BOHRWERKZEUG UND VERFAHREN ZU SEINER HERSTELLUNG 有权
    模块式镗刀具及其制造方法

    公开(公告)号：EP2076345A1

    公开(公告)日：2009-07-08

    申请号：EP07818490.0

    申请日：2007-09-27

    申请人： Kennametal Inc.

    发明人： MERGENTHALER, Peter Karl

    IPC分类号： B23B51/04 ,  B23B47/34 ,  B23C3/32 ,  B23C3/36 ,  B23C3/28

    CPC分类号： B23B51/02 ,  B23B47/34 ,  B23B51/048 ,  B23B2251/04 ,  B23B2251/404 ,  B23B2251/406 ,  B23B2251/408 ,  B23B2265/08 ,  B23B2270/30 ,  B23C3/32

    摘要： The invention relates to a modular drilling tool (1) having a carrier body (2) and a cutting unit (16) attached thereto, wherein the carrier body (2) extends along a carrier body longitudinal axis (Z), which is configured substantially cylindrical to a carrier body radius (Tr) and has a chip flute (6) and a discharge edge (8) extending along the chip flute (6). The chip flute (6) extends toward the discharge edge (8) in a convexly curved manner such that - viewed in a cross-sectional view perpendicular to the carrier body longitudinal axis (Z) - a J-shaped chip flute (6) having a chamfer (18) is formed, and an acute advance angle (W) is formed between a chip flute tangent (T) on the discharge edge (8) and a radial (R) touching a groove base in the region of the chamfer (18) at a tangent point (P), thus leading to improved chip guidance in the chip flute.