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    Rotary cutting tool
    1.
    发明授权
    Rotary cutting tool 失效
    旋转刀具

    公开(公告)号：US5026221A

    公开(公告)日：1991-06-25

    申请号：US521973

    申请日：1990-05-11

    申请人： Tatsuo Arai ,  Hidehisa Shiratori ,  Ryoei Hasegawa ,  Kazuo Iizuka

    发明人： Tatsuo Arai ,  Hidehisa Shiratori ,  Ryoei Hasegawa ,  Kazuo Iizuka

    IPC分类号： B23Q3/06 ,  B23Q11/00 ,  B23Q11/08

    CPC分类号： B23Q11/0046 ,  B23Q11/08 ,  B23Q3/069 ,  B23Q2220/008 ,  Y02P70/171 ,  Y10T407/1942 ,  Y10T407/24 ,  Y10T409/30392 ,  Y10T409/304088

    摘要： In a rotary cutting tool for use with at least one cutting tip, a cutter body has its forward end whose outer periphery has mounted thereto the cutting tip. A chip suction device is arranged outwardly of an outer peripheral surface of the cutter body for drawing chips generated by the cutting tip. The chip suction device includes a generally cylindrical cover unit having a wall for covering the cutter body. The cover unit is supported by the cutter body for rotation relative thereto. A chip accommodating chamber is defined between an inner peripheral surface of the cover unit and the outer peripheral surface of the cutter body. A suction port unit is provided in the wall of the cover unit and communicates with the chip accommodating chamber. A chip guide unit is arranged at the forward end of the cutter body in facing relation to the face of the cutting tip for guiding the chips generated by the cutting tip to the chip accommodating chamber.

    Indexable cutter insert
    3.
    发明授权
    Indexable cutter insert 失效
    可转位刀片插入

    公开(公告)号：US4679968A

    公开(公告)日：1987-07-14

    申请号：US878774

    申请日：1986-06-25

    申请人： Osamu Tsujimura ,  Ryoei Hasegawa ,  Masayuki Ohkawa

    发明人： Osamu Tsujimura ,  Ryoei Hasegawa ,  Masayuki Ohkawa

    IPC分类号： B23C5/10 ,  B23C5/22 ,  B23B27/16 ,  B23C5/20

    CPC分类号： B23C5/1036 ,  B23C5/2213 ,  B23C2200/045 ,  B23C2200/085 ,  B23C2200/125 ,  Y10S408/713 ,  Y10T407/1924 ,  Y10T407/23 ,  Y10T407/235 ,  Y10T408/9093

    摘要： A cutter insert of the indexable type for a rotary cutter includes a body of a plate of a generally circular shape and having three notches of a V-shape formed in a circumferential face of the body in equally circumferentially spaced relation, each V-shaped notch being defined by a pair of first and second opposed walls. A front face of the body cooperates with the circumferential face, interrupted by the three V-shaped notches, to define three arcuate convex cutting edges each having a leading and a trialing end. A marginal portion of the front face disposed adjacent to and extending along each cutting edge serves as a rake surface for the cutting edge, the rake surface being recessed adjacent to the first wall of the V-shaped notch so as to slope toward a rear face of the body toward the first wall to provide a convex portion extending between the front face and the first wall. The first wall of each V-shaped notch, intersecting a respective one of the cutting edges at the leading edge thereof, is sloping toward the trailing end of the adjacent cutting edge at the second wall of the notch and is inclined with respect to a plane disposed perpendicular to the front face and passing through a center of a circle along which the one cutting edge extends and the leading end of the one cutting edge disposed at the first wall.

    摘要翻译： 用于旋转切割器的可转位型切割器刀片包括大致圆形形状的板体，并且具有以等间隔的方式形成在本体的圆周面上的具有V形的三个切口，每个V形凹口 由一对第一和第二相对的壁限定。 主体的前表面与由三个V形凹口间断的圆周面配合，以限定三个弓形的凸形切削刃，每个具有前端和三端的端部。 所述前表面的沿着每个切割边缘设置并沿其延伸的边缘部分用作所述切割边缘的前刀面，所述前刀面与所述V形切口的所述第一壁相邻地凹陷，以朝向所述后表面倾斜 的主体朝向第一壁以提供在前表面和第一壁之间延伸的凸起部分。 每个V形凹口的与其前缘处的相应一个切削刃相交的第一壁在凹口的第二壁处朝向相邻切削刃的后端倾斜，并且相对于平面倾斜 垂直于前表面设置并穿过一个切割边缘所延伸的圆的中心，并且设置在第一壁处的一个切割边缘的前端。