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    Ball end mill
    1.
    发明公开
    Ball end mill 有权
    Kugelfräser

    公开(公告)号：EP1413376A1

    公开(公告)日：2004-04-28

    申请号：EP03256706.7

    申请日：2003-10-23

    申请人： NS Tool Co., Ltd.

    发明人： Ishii, Satoshi NS Tool Co., Ltd. ,  Watanabe, Takeshi NS Tool Co., Ltd.

    IPC分类号： B23C5/10

    CPC分类号： B23C5/1009 ,  B23C2210/0421 ,  B23C2226/125 ,  Y10T407/1908 ,  Y10T407/1924 ,  Y10T407/1948

    摘要： In order to reduce abrasion and breakage of the cutting blade whilst still permitting cutting with a high degree of precision, a ball end mill (1) is provided with a cutting blade section (3) having a cutting blade (4), which is U-shaped in front view, at the end section of a shank (2). The cutting blade is provided on a flat surface deviated by a predetermined distance (d) from the shank axis (2a), and comprises blade faces (5,6) having rake faces (5a,6a), which become negative angles (θ 1 ,θ 2 ) at the time of cutting. In the cross-section (Fig.2a) intersecting the cutting blade, all the blade faces have the same shape.

    摘要翻译： 半圆切割刀片（4a）设置在工具主体部分（2）的旋转轴线周围旋转的末端。 前刀面（5a）和侧面（6b）设置在切割刀片的两侧，其偏离旋转轴线预定距离（d）。