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    Throw-away tip for milling cutters
    1.
    发明授权
    Throw-away tip for milling cutters 失效
    铣刀的抛出尖端

    公开(公告)号：US5791832A

    公开(公告)日：1998-08-11

    申请号：US798732

    申请日：1997-02-13

    Applicant: Tutomu Yamayose

    Inventor： Tutomu Yamayose

    IPC: B23B27/14 ,  B23C5/10 ,  B23C5/20 ,  B23P15/28

    CPC classification number: B23C5/109 ,  B23C5/207 ,  B23C2200/125 ,  B23C2200/206 ,  B23C2210/66 ,  B23C2224/28 ,  Y10T407/1924 ,  Y10T407/1962 ,  Y10T407/23

    Abstract: A disposable tip for a milling cutter. The disposable tip has a top surface, a side surface and a cutting surface. The cutting surface has a cutting edge formed at the intersection of the cutting surface and the side surface. The cutting edge is oriented substantially parallel to the longitudinal direction defined by the top surface. A plurality of flutes are formed on the cutting edge. The cutting surface and the top surface define a rake angle between 2.degree. and 30.degree..

    Abstract translation: 铣刀的一次性尖端。 一次性尖端具有顶表面，侧表面和切割表面。 切割面具有形成在切割面和侧面的交叉处的切削刃。 切削刃的取向基本上平行于由顶部表面限定的纵向方向。 在切削刃上形成多个凹槽。 切割面和顶面限定2°至30°之间的前角。

    Ball nose end mills
    2.
    发明授权
    Ball nose end mills 失效
    球头立铣刀

    公开(公告)号：US5558475A

    公开(公告)日：1996-09-24

    申请号：US129330

    申请日：1993-09-30

    Applicant: Bjorn Hakansson ,  Peder Von Holst ,  Rolf Oskarsson

    Inventor： Bjorn Hakansson ,  Peder Von Holst ,  Rolf Oskarsson

    IPC: B23C5/10 ,  B23C5/14

    CPC classification number: B23C5/1009 ,  B23C2222/28 ,  B23C2224/28 ,  B23C2224/32 ,  B23C2224/36 ,  Y10T407/1948 ,  Y10T407/27

    Abstract: There is provided a solid ball nose tool comprising a hard material with 30-70 volume % submicron hard constituents in the form of carbides, nitrides and/or carbonitrides of Ti, Zr, Hf, V, Nb, Ta, Cr, Mo and/or W in a metallic matrix based on Fe, Co and/or Ni. The tool has a constant positive rake angle along the whole end radius of +8+2.degree. and a continuously decreasing clearance angle and towards the center where it is 10.+-.2.degree..

    Abstract translation: 提供了一种固体球鼻工具，其包括硬质材料，其具有Ti，Zr，Hf，V，Nb，Ta，Cr，Mo的碳化物，氮化物和/或碳氮化物形式的30-70体积％的亚微米硬组分，和/ 或基于Fe，Co和/或Ni的金属基体中的W。 该刀具具有恒定的正前角，沿着整个端部半径为+ 8 + 2°，连续减小的间隙角，朝向中心为10 +/- 2°。

    COATED CEMENTED CARBIDE INSERTS
    4.
    发明申请
    COATED CEMENTED CARBIDE INSERTS 审中-公开
    涂层碳化硅片

    公开(公告)号：US20090010724A1

    公开(公告)日：2009-01-08

    申请号：US12147587

    申请日：2008-06-27

    Applicant: Susanne NORGREN ,  Kenneth Westergren

    Inventor： Susanne NORGREN ,  Kenneth Westergren

    IPC: B23P15/28 ,  C23C16/34

    CPC classification number: C23C30/005 ,  B23C5/202 ,  B23C2210/126 ,  B23C2222/28 ,  B23C2224/28 ,  C23C14/0641 ,  C23C14/325 ,  Y10T407/27

    Abstract: The present invention relates to cutting insert for dry milling of hard cast steel with a hardness of from about 50 to about 65 HRC comprising a substrate and a coating. The substrate has a hardness of from about 1900 to about 2100 HV3, with a negative chamfer and an edge rounding of 0 (sharp) to about 40 μm. The coating comprises a homogeneous AlxTi1-xN-layer with x equals from about 0.6 to about 0.67 and a thickness of from about 1 to about 3.8 μm. The invention also relates to a method of making as well as the use of the inserts.

    Abstract translation: 本发明涉及用于硬质铸钢的硬磨削的切削刀片，其硬度为约50至约65HRC，包括基底和涂层。 基底具有约1900至约2100HV3的硬度，具有负斜面和0（锋利）至约40μm的圆边。 涂层包含均匀的Al x Ti 1-x N层，其x等于约0.6至约0.67，厚度为约1至约3.8μm。 本发明还涉及制造和使用插入物的方法。

    Cemented carbide ball end mill
    7.
    发明授权
    Cemented carbide ball end mill 失效
    硬质合金球头铣刀

    公开(公告)号：US06953310B2

    公开(公告)日：2005-10-11

    申请号：US10409111

    申请日：2003-04-09

    Applicant: Kenji Iwamoto ,  Yousuke Tsuritani

    Inventor： Kenji Iwamoto ,  Yousuke Tsuritani

    IPC: B23C5/10 ,  B23C5/16

    CPC classification number: B23C5/1009 ,  B23C2210/0421 ,  B23C2210/0442 ,  B23C2224/28 ,  B23C2226/72 ,  Y10T407/1946 ,  Y10T407/1948 ,  Y10T407/1962 ,  Y10T407/1964 ,  Y10T407/1966 ,  Y10T407/27

    Abstract: A cemented carbide ball end mill comprises a cutting portion with a semi-spherical ball portion at a tip thereof. The cutting edge portion has a cutting edge rake face and a chip evacuating flute at the ball portion. An angle formed by a straight line connecting a vertex of the ball portion, where an intersection line passes through, and another end of the intersection line with respect to the central axis, is from 30° to 50°. Further, and angle formed by the rake face and the chip evacuating flute is from 100° to 150°, and a width of the chip evacuating flute is 0.5 to 5 times as large as a radius of the ball portion.

    Abstract translation: 硬质合金球头铣刀包括在其尖端处具有半球形球部的切割部分。 切削刃部具有切削刃前刀面和在球部分的排屑槽。 由交叉线穿过的球部的顶点与相对于中心轴的交线的另一端连接的直线形成的角为30°〜50°。 此外，由前刀面和排屑槽形成的角度为100°〜150°，排屑槽的宽度为球部的半径的0.5〜5倍。

    Cemented carbide ball end mill
    8.
    发明申请
    Cemented carbide ball end mill 失效
    硬质合金球头铣刀

    公开(公告)号：US20030198525A1

    公开(公告)日：2003-10-23

    申请号：US10409111

    申请日：2003-04-09

    Applicant: NACHI-FUJIKOSHI CORP.

    Inventor： Kenji Iwamoto ,  Yousuke Tsuritani

    IPC: B23C005/10

    CPC classification number: B23C5/1009 ,  B23C2210/0421 ,  B23C2210/0442 ,  B23C2224/28 ,  B23C2226/72 ,  Y10T407/1946 ,  Y10T407/1948 ,  Y10T407/1962 ,  Y10T407/1964 ,  Y10T407/1966 ,  Y10T407/27

    Abstract: A cemented carbide ball end mill comprises a cutting portion with a semi-spherical ball portion at a tip thereof, and has a following configuration. When an intersection line between a cutting edge rake face and a chip evacuating flute at the ball portion is projected on a plane which includes a central axis of the ball end mill and is parallel with a cutting edge at the central portion of a ball portion tip, projected on the plane is a convex-curved line or a straight line. An angle formed by the straight line connecting a vertex of the ball portion, where the intersection line passes through, and the other end of the intersection line with respect to the central axis is from 30null to 50null. Further, an angle formed by the rake face and the chip evacuating flute is from 100null to 150null, and a width of the chip evacuating flute is 0.5 to 5 times as large as a radius of the ball portion. On the cutting portion, a coating film of titanium carbide or the like is formed as a first layer, and another coating film of a silicon carbide system amorphous film or the like having a physical property similar to that of diamond is added as a second layer. The cemented carbide ball end mill suffers less deposition of melted metal even when dry-cutting an aluminum alloy, has a long service life, and enables the machining providing an excellent surface property.

    Abstract translation: 硬质合金球头铣刀包括在其尖端处具有半球形球部分的切割部分，并且具有以下构造。 当切割刃前刀面和在球部分的排屑槽之间的交线被投影在包括球头铣刀的中心轴线的平面上并且与球部尖端的中心部分处的切割边缘平行时 投影在平面上是一条凸曲线或一条直线。 由交叉线穿过的球部的顶点与相对于中心轴的交线的另一端连接的直线形成的角度为30°〜50°。 此外，由前刀面和排屑槽形成的角度为100°〜150°，排屑槽的宽度为球部的半径的0.5〜5倍。 在切割部分上，形成碳化钛等的涂膜作为第一层，另外添加具有与金刚石类似的物理性质的碳化硅系非晶膜等的另一涂层作为第二层 。 硬质合金球头铣刀即使在干式切割铝合金时也遭受较少的熔融金属沉积，使用寿命长，并且能够提供优异的表面性能。

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