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On the surface of the gear tool itself which is formed with the surface coating high-speed tool steel gear tool null high-speed tool steel which shows abrasion proof
On the surface of the gear tool itself which is formed with the surface coating high-speed tool steel gear tool null high-speed tool steel which shows abrasion proof
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机译：在由表面涂层形成的齿轮工具本身的表面上，高速工具钢齿轮工具为无高速工具钢，具有耐磨性
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摘要
PROBLEM TO BE SOLVED: To provide a surface coated high speed tool steel-made gear cutting tool which realizes excellent wear and abrasion resistance of a hard coated layer in high speed gear cutting working of alloy steel.;SOLUTION: On a surface of a high speed tool steel substrate of this surface coated high speed tool steel-made gear cutting tool, (a) the tool is composed of an upper part layer and a lower part layer made of (Cr, Al, B) N each, and the upper part layer and the lower part layer have average layer thickness of 0.5 to 1.5 μm and 2 to 6 μm, respectively, (b) the upper part layer has an alternately laminated layer structure composed of a thin layer A and a thin layer B having average layer thickness of one layer of 5 to 20 nm each, the thin layer A is composed of a (Cr, Al, B) N layer satisfying composition formula: (Cr1-(E+F)AlEBF) N, and the thin layer B is composed of a (Cr, Al, B) N layer satisfying composition formula: (Cr1-(M+N)AlMBN) N, and (c) the lower part layer is formed by depositing the hard coated layer composed of a (Cr, Al, B) N layer having a single phase structure and satisfying composition formula: (Cr1-(X+Y) AlXBY) N.;COPYRIGHT: (C)2007,JPO&INPIT
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机译：要解决的问题：提供一种表面涂层的高速工具钢制齿轮切削工具，该工具在合金钢的高速齿轮切削加工中实现了硬质涂层的优异的耐磨性;解决方案：在高表面该表面被覆的高速工具钢制齿轮切削工具的高速工具钢基材，（a）该工具由分别由（Cr，Al，B）N构成的上层和下层构成，上层由上层和下层构成。部分层和下部层的平均层厚度分别为0.5至1.5μm和2至6μm，（b）上部层具有由薄层A和薄层组成的交替层压的层结构。薄层A由平均层厚为1层的平均层厚为5〜20nm的薄层B构成，该薄层A由满足组成式（Cr 1-（E + F）< / Sub> Al E B F ）N，而薄层B由满足组成公式的（Cr，Al，B）N层组成：（Cr 1 -（M + N） Al M B N ）N，并且（c）下部层是通过沉积由下列元素组成的硬涂层形成的：具有单相结构且满足组成公式的（Cr，Al，B）N层：（Cr 1-（X + Y） Al X B Y < / Sub>）N .;版权：（C）2007，JPO＆INPIT
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