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    • 4. 发明申请
    • RADIUS END MILL
    • RADIUS终端铣刀
    • US20140341662A1
    • 2014-11-20
    • US14368315
    • 2012-12-26
    • KYOCERA Corporation
    • Tsutomu Yamayose
    • B23C5/10
    • B23C5/10B23C2210/045B23C2210/202B23C2210/203B23C2210/40B23C2210/48B23C2210/66Y10T407/1948
    • [Object] To provide a radius end mill has a good cutting sharpness, and improves a surface roughness on the machined surface.[Solution] A radius end mill 20 includes a corner R cutting edge 3 which extends between the end cutting edge 2 and the outer peripheral cutting edge 4; and a corner gash 8 disposed adjacent to the corner R cutting edge 3 of the rake face 6, wherein the corner gash 8 in a planar shape has an edge, part of which is located at the center portion of the corner R cutting edge 3, and an axial rake 2 at an end portion on the side of the end cutting edge 2 which is in contact with the corner gash 8 on the corner R cutting edge 3 is in the range of 5 to 20 degrees.
    • [目的]提供半径立铣刀具有良好的切削锋利度,并且改善加工表面上的表面粗糙度。 半圆端铣刀20包括在端切削刃2和外周切削刃4之间延伸的角R切削刃3; 以及与前刀面6的角R切削刃3相邻设置的角落槽8,其中,平面形状的角部开槽8具有边缘,其一部分位于角部R切削刃3的中心部, 并且在端部切削刃2的与角部R切削刃3上的角落缝合部8接触的端部的端部处的轴向切削刃2在5〜20度的范围内。