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    MULTI-EDGE ENDMILL
    4.
    发明公开
    MULTI-EDGE ENDMILL 有权
    SCHAFTFRÄSERMIT MEHREREN KANTEN

    公开(公告)号：EP2722121A1

    公开(公告)日：2014-04-23

    申请号：EP11867770.7

    申请日：2011-12-27

    申请人： Hitachi Tool Engineering, Ltd.

    发明人： BABA Makoto ,  HIRAI Jun-ichi

    IPC分类号： B23C5/10

    CPC分类号： B23C5/10 ,  B23C2210/0442 ,  B23C2210/08 ,  B23C2210/082 ,  B23C2210/208 ,  B23C2210/209 ,  B23C2210/32 ,  B23C2210/40 ,  B23C2215/44 ,  Y10T407/1948

    摘要： [Problem]
    To improve the discharge of chips generated when performing high-feed processing on a thin-walled material such as an impeller using a multi-flute endmill.
    [Resolution Means]
    A multi-flute endmill 1 comprising a cutting edge part 3 having multiple cutting edges and flutes 8 formed between adjacent cutting edges in a rotation direction around the tool axis O, wherein a rake face of each cutting edge is formed from a rake face 6a of an end cutting edge 6 from the tool axis O side to the outer peripheral side of a shank 2, an adjacent rake face 5a of a corner R edge 5 that forms a surface different from the rake face 6a of the end cutting edge 6, and an adjacent rake face 4a of a peripheral cutting edge 4 that forms a surface different from the rake face 5a of the corner R edge 5. A gash 7 that forms a space that is continuous with the flute 8 is formed between the rake face 6a of the end cutting edge 6 and a flank 6b of an end cutting edge 6 that is adjacent on a forward side thereof in the rotation direction R, and the rake face 6a of the end cutting edge 6 also serves as one surface that constitutes the gash 7.

    摘要翻译： [问题]使用多槽立铣刀在叶轮等薄壁材料上进行高速加工时产生的切屑的排出变得困难。 [分辨率装置]一种多槽铣刀1，其包括具有多个切削刃的切削刃部3和围绕刀具轴线O的旋转方向形成在相邻切削刃之间的槽8，其中，每个切削刃的前刀面由 端部切削刃6的刀面6a从刀具轴线O侧到柄部2的外周侧，形成与端部切削部的前刀面6a不同的表面的角部R边缘5的相邻前刀面5a 边缘6，以及形成与角R边缘5的前刀面5a不同的表面的周边切削刃4的相邻前刀面4a。形成与槽8连续的空间的间隙7形成在 端部切削刃6的前刀面6a和端部切削刃6的沿其旋转方向R的前侧相邻的刀刃6b，并且端部切削刃6的前刀面6a也用作一个表面， 构成漏洞7。