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The surface canning which shows the abrasion resistance where the hard enveloping layer is superior in high-speed gear processing of the alloy steel on the surface the cemented carbide
The surface canning which shows the abrasion resistance where the hard enveloping layer is superior in high-speed gear processing of the alloy steel on the surface the cemented carbide
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机译:硬质包覆层在硬质合金表面的合金钢高速齿轮加工中表现出优异耐磨性的表面罐头
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摘要
PROBLEM TO BE SOLVED: To provide a gear cutting tool made of surface coated cemented carbide having hard coated layer exhibiting excellent wear resistance in high-speed gear cutting of alloy steel.;SOLUTION: In the gear cutting tool made of surface coated cemented carbide, a hard coated layer including an upper layer and a lower layer on the surface of a tungsten carbide-base cemented carbide-made gear cutting tool base body by deposition, wherein (a) the upper layer and the lower layer are both formed of (Ti, Al, Si)N, the upper layer has an average layer thickness ranging from 0.5 to 1.5 μm and the lower layer has an average layer thickness ranging from 2 to 6 μm, (b) the upper layer has an alternately stacking layer structure of a thin layer A and a thin layer B respectively having an average layer thickness of 5 to 20 nm per layer, the thin layer A is formed of (Ti, Al, Si)N layer satisfying a composition formula [Ti1-(A+B)AlASiB]N, the thin layer B is formed of (Ti, Al, Si)N layer satisfying a composition formula: [Ti1-(C+D)AlCSiD]N, and (c) the lower layer is formed of (Ti, Al, Si) N layer having a single phase structure and satisfying a composition formula [Ti1-(E+F)AlESiF]N.;COPYRIGHT: (C)2007,JPO&INPIT
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机译:要解决的问题:提供一种由具有硬质涂层的表面涂层硬质合金制成的齿轮切削刀具,在合金钢的高速齿轮切削中具有优异的耐磨性;解决方案:在由表面涂层的硬质合金制成的齿轮切削刀具中,通过沉积在碳化钨基硬质合金制成的齿轮切削刀具基体的表面上包括上层和下层的硬涂层,其中(a)上层和下层均由(Ti)形成(Al,Si)N,上层的平均层厚度在0.5至1.5μm的范围内,而下层的平均层厚度在2至6μm的范围内,(b)上层具有交替的厚度。每层平均厚度为5至20nm的薄层A和薄层B的叠层结构,薄层A由满足组成式[Ti < Sub> 1-(A + B Sub>)Al A Sub> Si B Sub>] N,薄B层由满足以下组成公式的[Ti,Al,Si)N层组成:[Ti 1-(C + D) Sub> Al C Sub> Si D < / Sub>] N,并且(c)下层由具有单相结构并满足组成公式[Ti 1-(E + F) Sub]的(Ti,Al,Si)N层形成> Al E Sub> Si F Sub>] N .;版权所有:(C)2007,日本特许厅&INPIT
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