DIAMOND-COATED CEMENTED CARBIDE CUTTING TOOL
In this diamond-coated cemented carbide cutting tool, (1) an average particle size of WC particles is 0.5 to 0.9 μm, (2) (Rz) being 0.5 to 1.0 μm, a maximum distance between the concave and convex (Δ) is 0.5 to 1.5 μm, a length (Ye) is 0.5 to 2.0 μm, (3) a sum of areas of WC particles, which satisfi...
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| creator | TOMINAGA, Akimitsu SHIKADA, Shinichi TAKASHIMA, Hideaki |
| description | In this diamond-coated cemented carbide cutting tool, (1) an average particle size of WC particles is 0.5 to 0.9 μm, (2) (Rz) being 0.5 to 1.0 μm, a maximum distance between the concave and convex (Δ) is 0.5 to 1.5 μm, a length (Ye) is 0.5 to 2.0 μm, (3) a sum of areas of WC particles, which satisfies (L1) being 0.4 to 0.8 μm, (L2) being 0.2 to 0.4 μm, and (L1)/(L2) being 1.5 to 2.5, is 70 area % or more, (4) an average grain size of diamond crystals in a region of 0.5 to 1.5 μm from the body interface is 0.1 to 0.3 μm, and (5) columnar crystals satisfying at least one of: a ratio of crystals, which has a growth direction shifted in 10 degrees or less from the diamond film thickness direction, being 90% or more; or an orientation ratio of being 30 to 70%. |
| format | Patent |
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| subjects | BORING CHEMICAL SURFACE TREATMENT CHEMISTRY COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATIONOR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY IONIMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL COATING MATERIAL WITH METALLIC MATERIAL COATING METALLIC MATERIAL DIFFUSION TREATMENT OF METALLIC MATERIAL INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION INGENERAL MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR METALLURGY MILLING PERFORMING OPERATIONS SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THESURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION TRANSPORTING TURNING |
| title | DIAMOND-COATED CEMENTED CARBIDE CUTTING TOOL |
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