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A covering component and surface covering technology, which is applied in the directions of drilling tool accessories, sputtering coating, tool holder accessories, etc., can solve the problems that the covering tools cannot meet the processing requirements, etc., and achieve excellent adhesion, excellent oxidation resistance, and tools The effect of life extension
Active Publication Date: 2011-06-15
TUNGALOY CORP
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As a result, previous covering tools became unsuitable for these demanding machining requirements
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Embodiment 1
[0043] As a base material, a K20-equivalent cemented carbide insert having a shape of SDKN1203AETN was prepared. Regarding the invention, as a target of the AlP apparatus, a target having the composition ratios of metal elements and additive elements shown in Tables 1 and 2 was installed in the AlP apparatus. Load the substrate in the AlP device, heat the substrate temperature to 600°C through the heater, and introduce Ar and N into the AlP device after bombarding the substrate with Ar gas 2 The mixed gas, the pressure is adjusted to 4 ~ 5Pa, the DC bias voltage: -600 ~ -800V, arc discharge current: 100A on the substrate is pre-discharged for 2 ~ 3 minutes. After the pre-discharge is over, keep the arc discharge current, substrate temperature and pressure constant, and slowly adjust the DC bias voltage of the substrate from -600 to -800V to -80 to -120V after 2 minutes. Next, discharge for 100 to 140 minutes in the case of a single-layer film under the conditions of DC bias v...
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Abstract
The invention provides a coated member for cutting tools which renders a long life possible under severe cutting conditions as in high-speed processing, high-feed-rate processing, cutting of works having enhanced hardness, and cutting of works difficult to cut. The coated member comprises a base having a surface coated with one or more coating films. At least one of the coating films is a hard film of a cubic metallic compound comprising at least one metallic element (M) selected from Al, Si, Ti, Zr, Hf, V, Nb, Ta, Cr, Mo, and W and at least one element (X) selected from C, N, and O. In the pole figure for the (111) plane of the hard film, the X-ray intensity distribution in the alpha axis has a maximum intensity in the alpha-angle range of 75-90 DEG. In the pole figure for the (220) plane of the hard film, the X-ray intensity distribution in the alpha axis has a maximum intensity in the alpha-angle range of 75-90 DEG .
Description
technical field [0001] The present invention relates to a covering member for covering the surface of a substrate such as a sintered alloy, ceramics, cBN sintered body, or diamond sintered body with a film. In particular, it relates to a covering member suitable for cutting tools represented by inserts, drills, and end mills, various wear-resistant tools, and various wear-resistant parts. Background technique [0002] Covering members covered with coatings such as TiC, TiCN, TiN, (Ti, Al)N, CrN, etc. on the surface of substrates such as sintered alloys, ceramics, cBN sintered bodies, and diamond sintered bodies have the advantages of high strength, high toughness and The film has excellent wear resistance, oxidation resistance, lubricity, and welding resistance, so it is often used as a cutting tool, wear-resistant tool, and wear-resistant parts. [0003] As the prior art of coatings, there is a hard coating for cutting tools composed of (Ti, Al, Cr)(C, N) (for example, ref...
Claims
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