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公开(公告)号：US07891916B2
公开(公告)日：2011-02-22
申请号：US12413725
申请日：2009-03-30
申请人： Hidebumi Takahashi , Touru Narita
发明人： Hidebumi Takahashi , Touru Narita
CPC分类号： B23B27/145 , B23B51/048 , B23B2200/0471 , B23B2200/125 , B23B2200/204 , B23B2200/208 , B23C2270/06 , Y10T407/19 , Y10T407/1924 , Y10T407/235
摘要： An insert for a drill in which one of the cutting edges respectively formed at four side ridge portions of a rake face of a square flat plate-shaped insert body is made to protrude toward the tip of the drill body of the indexable insert drill while being detachably attached is provided. Each of the cutting edges has a corner cutting edge located at a corner of the rake face, and a major cutting edge and a wiper edge which extend substantially toward one peripheral direction of the rake face from a corner cutting edge. The major cutting edge has a first major cutting edge portion which has a convexly curved shape and extends from the corner cutting edge, and a second major cutting edge portion which smoothly touches the first major cutting edge portion and extends linearly, as seen from a direction facing the rake face. The wiper edge has a straight shape intersecting the second major cutting edge portion at an obtuse angle.
摘要翻译： 一种用于钻头的插入件，其中分别形成在方形平板状插入体的前刀面的四个侧脊部处的一个切削刃被制成朝向可转位刀片钻头的钻头主体的顶端突出，同时 提供可拆卸地附接。 每个切削刃具有位于前刀面的拐角处的角切削刃，以及从切削刃基本上朝着前刀面的一个圆周方向延伸的主切削刃和刮刃。 主切削刃具有第一主切削刃部分，该第一主切削刃部分具有凸出的弯曲形状并从拐角切削刃延伸;以及第二主切削刃部分，其从第一主切削刃部分平滑地接触并直线延伸， 面对耙面。 刮水器边缘具有与第二主切削刃部分钝角成直角的形状。
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公开(公告)号：USD640716S1
公开(公告)日：2011-06-28
申请号：US29294338
申请日：2008-01-04
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公开(公告)号：USRE46197E1
公开(公告)日：2016-11-08
申请号：US29404265
申请日：2011-10-18
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公开(公告)号：USD651224S1
公开(公告)日：2011-12-27
申请号：US29392043
申请日：2011-05-17
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公开(公告)号：US20100221076A1
公开(公告)日：2010-09-02
申请号：US12303400
申请日：2007-06-05
申请人： Hidebumi Takahashi , Touru Narita
发明人： Hidebumi Takahashi , Touru Narita
CPC分类号： B23C5/06 , B23C5/207 , B23C2200/0488 , B23C2200/201 , B23C2200/205 , B23C2200/208 , B23C2200/366 , B23C2210/0407 , Y10T407/1924 , Y10T407/23 , Y10T407/235
摘要： A cutting tool is provided with a tool body which rotates about an axis thereof, and a cutting insert mounted removably on the outer periphery at the tip of the tool body, wherein: the cutting insert has a front/back-reversal symmetric substantially regular heptagonal plane shape having two heptagonal faces parallel with each other, a side face continuous with each of the heptagonal faces at right angles, and a cutting edge provided on each ridge line between the heptagonal face and the side face; the cutting edge includes a main cutting edge projected onto the side of the regular heptagon, and sub-cutting edges that extend from opposite ends of the main cutting edge so as to incline toward the center of the heptagonal face and connect the adjacent main cutting edges, and the tool body is equipped with a mounting seat that retains the cutting insert such that one of the main cutting edge is directed toward the tip side of the tool body and in a radial-outer direction in order to make it to work in cutting, and a corner angle α between one of the main cutting edges and the axis satisfy a relation 40°≦α≦44°.
摘要翻译： 切割工具设置有围绕其轴线旋转的工具主体和可拆卸地安装在工具主体的尖端处的外周上的切削刀片，其中：切削刀片具有前/后反转对称的基本上规则的七边形 具有彼此平行的两个七边形面的平面形状，与每个七边形表面成直角连接的侧面以及设置在七边形面和侧面之间的每个棱线上的切割边缘; 所述切削刃包括投影在所述正七边形侧的主切削刃，以及从所述主切削刃的相对端延伸以朝向所述七边形面的中心倾斜的副切削刃，并将相邻的主切削刃 并且所述工具主体配备有安装座，所述安装座保持所述切削刀片，使得所述主切削刃中的一个朝向所述刀具主体的前端侧并且朝向径向外侧方向，以使其能够切割 并且主切削刃和轴之间的角角α满足关系40°＆nlE;α＆nlE; 44°。
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公开(公告)号：US20090245949A1
公开(公告)日：2009-10-01
申请号：US12413725
申请日：2009-03-30
申请人： Hidebumi Takahashi , Touru Narita
发明人： Hidebumi Takahashi , Touru Narita
CPC分类号： B23B27/145 , B23B51/048 , B23B2200/0471 , B23B2200/125 , B23B2200/204 , B23B2200/208 , B23C2270/06 , Y10T407/19 , Y10T407/1924 , Y10T407/235
摘要： An insert for a drill in which one of the cutting edges respectively formed at four side ridge portions of a rake face of a square flat plate-shaped insert body is made to protrude toward the tip of the drill body of the indexable insert drill while being detachably attached is provided. Each of the cutting edges has a corner cutting edge located at a corner of the rake face, and a major cutting edge and a wiper edge which extend substantially toward one peripheral direction of the rake face from a corner cutting edge. The major cutting edge has a first major cutting edge portion which has a convexly curved shape and extends from the corner cutting edge, and a second major cutting edge portion which smoothly touches the first major cutting edge portion and extends linearly, as seen from a direction facing the rake face. The wiper edge has a straight shape intersecting the second major cutting edge portion at an obtuse angle.
摘要翻译： 一种用于钻头的插入件，其中分别形成在方形平板状插入体的前刀面的四个侧脊部处的一个切削刃被制成朝向可转位刀片钻头的钻头主体的顶端突出，同时 提供可拆卸地附接。 每个切削刃具有位于前刀面的拐角处的角切削刃，以及从切削刃基本上朝着前刀面的一个圆周方向延伸的主切削刃和刮刃。 主切削刃具有第一主切削刃部分，该第一主切削刃部分具有凸出的弯曲形状并从拐角切削刃延伸;以及第二主切削刃部分，其从第一主切削刃部分平滑地接触并直线延伸， 面对耙面。 刮水器边缘具有与第二主切削刃部分钝角成直角的形状。
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公开(公告)号：US07028997B2
公开(公告)日：2006-04-18
申请号：US10101692
申请日：2002-03-21
CPC分类号： B23B29/022 , Y10T82/2585 , Y10T408/76 , Y10T409/304312
摘要： A vibration damping tool having the following structure is provided. In the vibration damping tool, a hollow portion is formed in the interior of the distal end portion of a tool body and one end of a weight member is connected to the inner wall surface of the distal end side of this hollow portion. A gap created between the outer peripheral surface of the weight member and the inner wall surface of the hollow portion is filled with a visco-elastic body. The one end of the weight member is formed as a narrow diameter shaft portion. The tool body can be divided into two and freely removed from and reattached at a dividing surface located on the base end side of the hollow portion. A hole portion is formed inside the other end of the weight member by hollowing out the interior thereof. Chatter vibration is thus absorbed using a simple structure without there being any effects from heat generated during cutting processing.
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