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2. 发明公开

EP2868413A1 Hard-coated cutting tool 有权
标题翻译： Hartbeschichtetes Schneidwerkzeug
公开(公告)号：EP2868413A1
公开(公告)日：2015-05-06
申请号：EP14188129.2
申请日：2014-10-08
申请人： UNION TOOL CO.
发明人： Osaki, Hideki , Suzuki, Shuntaro , Nitta, Madoka , Watanabe, Hidehito
IPC分类号： B23C5/10
CPC分类号： B23C5/1009 , B23B2228/105 , B23C2210/126 , B23C2226/31 , B23C2228/04 , B23C2228/10 , Y10T407/24
摘要： The present invention provides a more practical hard-coated cutting tool having improved cutting performance during finishing so as to obtain a better finished surface. Provided is a hard-coated cutting tool including a tool body (7) coated with a hard coating (4) and having a cutting edge (3) formed on a ridge line intersecting a flank face (1) and a rake face (2). In the hard-coated cutting tool, the thickness h1 of the hard coating (4) on the flank face (1) side and the thickness h2 of the hard coating (4) on the rake face (2) side near the cutting edge (3) satisfies conditions 8 µm ≤ h1 ≤ 30 µm and 0 ≤ h2/h1 ≤ 0.5 in a cross-section perpendicular to the cutting edge (3) in a range equal to or less than 0.3 times the tool diameter in the axial direction from the tip of the tool.
摘要翻译：本发明提供了一种更实用的硬涂层切削工具，其具有在精加工期间具有改进的切削性能，以便获得更好的成品表面。本发明提供一种硬涂层切削工具，其包括涂覆有硬质涂层（4）的工具主体（7），并且具有形成在与侧面（1）和前刀面（2）相交的脊线上的切削刃（3）。在硬涂层切削工具中，硬质涂层（4）在侧面（1）侧的厚度h1和切削刃附近的前刀面（2）侧的硬质涂层（4）的厚度h2 3）在等于或小于刀具直径的0.3倍的范围内，在垂直于切削刃（3）的截面中满足条件8μm‰¤h1‰¤30μm和0‰h2 / h1‰¤0.5 从工具尖端的轴向方向。

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