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1. 发明申请

WO1994028191A1 COATED CUTTING TOOL AND METHOD FOR PRODUCING THE SAME 审中-公开
标题翻译：涂层切割工具及其制造方法
公开(公告)号：WO1994028191A1
公开(公告)日：1994-12-08
申请号：PCT/JP1994000882
申请日：1994-05-31
申请人： SUMITOMO ELECTRIC INDUSTRIES, LTD. , UCHINO, Katsuya , NOMURA, Toshio , OHARA, Hisanori , CHUDO, Masuo , KOBAYASHI, Mitsunori
发明人： SUMITOMO ELECTRIC INDUSTRIES, LTD.
IPC分类号： C23C16/30
CPC分类号： C23C16/34 , C23C16/32 , C23C16/36 , C23C30/005 , Y10T428/12049 , Y10T428/12576
摘要： A coated cutting tool suitable for high speed cutting process and a method for producing the same, the tool comprising a base material formed of tungsten-carbide-based cemented carbide and a coating layer on the base material comprising in turn an internal layer and an external layer, wherein the internal layer consists of a single layer of titanium carbonitride in contact with the base material, a double layer consisting of a 0.1 to 2 mu m thick titanium nitride layer in contact with the base material and a titanium carbonitride layer directly thereon, and a multi-layer prepared by applying another coating of titanium carbide to the titanium carbonitride layer, the tool being characterized in that the chlorine content of the internal layer is 0.05 atomic % or less on average, the peak strength ratio of a specific plane falls within a specific range when the titanium carbonitride is X-ray diffracted, or the internal layer constituting the coating layer consists of a first layer of titanium nitride that contacts the base material and a second layer, placed on the first one, has a hardness ranging from 1600 to 2400 kg/mm . The realized coating has high wear-resistance, and the coating film and the base material are strongly bonded to each other, thereby providing superior peeling resistance during cutting.
摘要翻译：一种适用于高速切削加工的涂层切削工具及其制造方法，该工具包括由碳化钨基硬质合金形成的基体材料和基材上的涂层，该涂层依次包括内层和外层层，其中所述内层由与所述基材接触的单层碳氮化钛组成，由与所述基材接触的0.1至2μm厚的氮化钛层和直接在其上的碳氮化钛层组成的双层，以及通过将另一碳化钛涂层应用于碳氮化钛层而制备的多层，其特征在于，内层的氯含量平均为0.05原子％以下，特定面的峰值强度比下降在碳氮化钛为X射线衍射的特定范围内，或构成被覆层的内层由第一层钛与基材接触的氮化铟和置于第一层上的第二层具有1600至2400kg / mm 2的硬度。实现的涂层具有高耐磨性，并且涂膜和基材彼此牢固地结合，从而在切割期间提供优异的抗剥离性。

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