WO2022176230A1 - 表面被覆切削工具 - Google Patents

表面被覆切削工具 Download PDF

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Publication number
WO2022176230A1
WO2022176230A1 PCT/JP2021/028272 JP2021028272W WO2022176230A1 WO 2022176230 A1 WO2022176230 A1 WO 2022176230A1 JP 2021028272 W JP2021028272 W JP 2021028272W WO 2022176230 A1 WO2022176230 A1 WO 2022176230A1
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Prior art keywords
layer
tool
average thickness
coating layer
cutting
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Ceased
Application number
PCT/JP2021/028272
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English (en)
French (fr)
Japanese (ja)
Inventor
英利 淺沼
大輝 江畑
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Mitsubishi Materials Corp
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Mitsubishi Materials Corp
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Filing date
Publication date
Application filed by Mitsubishi Materials Corp filed Critical Mitsubishi Materials Corp
Priority to JP2023500512A priority Critical patent/JPWO2022176230A1/ja
Priority to CN202180093249.XA priority patent/CN116867590A/zh
Priority to EP21926659.0A priority patent/EP4295978A4/en
Priority to KR1020237027586A priority patent/KR20230145358A/ko
Priority to US18/274,589 priority patent/US20240123515A1/en
Publication of WO2022176230A1 publication Critical patent/WO2022176230A1/ja
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23B—TURNING; BORING
    • B23B27/00—Tools for turning or boring machines; Tools of a similar kind in general; Accessories therefor
    • B23B27/14—Cutting tools of which the bits or tips or cutting inserts are of special material
    • B23B27/148—Composition of the cutting inserts
    • C—CHEMISTRY; METALLURGY
    • C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
    • C23C28/00—Coating for obtaining at least two superposed coatings either by methods not provided for in a single one of groups C23C2/00 - C23C26/00 or by combinations of methods provided for in subclasses C23C and C25C or C25D
    • C23C28/30—Coatings combining at least one metallic layer and at least one inorganic non-metallic layer
    • C23C28/34—Coatings combining at least one metallic layer and at least one inorganic non-metallic layer including at least one inorganic non-metallic material layer, e.g. metal carbide, nitride, boride, silicide layer and their mixtures, enamels, phosphates and sulphates
    • C23C28/347—Coatings combining at least one metallic layer and at least one inorganic non-metallic layer including at least one inorganic non-metallic material layer, e.g. metal carbide, nitride, boride, silicide layer and their mixtures, enamels, phosphates and sulphates with layers adapted for cutting tools or wear applications
    • C—CHEMISTRY; METALLURGY
    • C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
    • C23C28/00—Coating for obtaining at least two superposed coatings either by methods not provided for in a single one of groups C23C2/00 - C23C26/00 or by combinations of methods provided for in subclasses C23C and C25C or C25D
    • C23C28/40—Coatings including alternating layers following a pattern, a periodic or defined repetition
    • C23C28/42—Coatings including alternating layers following a pattern, a periodic or defined repetition characterized by the composition of the alternating layers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23B—TURNING; BORING
    • B23B27/00—Tools for turning or boring machines; Tools of a similar kind in general; Accessories therefor
    • B23B27/14—Cutting tools of which the bits or tips or cutting inserts are of special material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23C—MILLING
    • B23C5/00—Milling-cutters
    • B23C5/16—Milling-cutters characterised by physical features other than shape
    • C—CHEMISTRY; METALLURGY
    • C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
    • C23C14/00—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material
    • C23C14/06—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material characterised by the coating material
    • C—CHEMISTRY; METALLURGY
    • C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
    • C23C14/00—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material
    • C23C14/06—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material characterised by the coating material
    • C23C14/0641—Nitrides
    • C—CHEMISTRY; METALLURGY
    • C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
    • C23C14/00—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material
    • C23C14/22—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material characterised by the process of coating
    • C23C14/24—Vacuum evaporation
    • C23C14/32—Vacuum evaporation by explosion; by evaporation and subsequent ionisation of the vapours, e.g. ion-plating
    • C23C14/325—Electric arc evaporation
    • C—CHEMISTRY; METALLURGY
    • C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
    • C23C14/00—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material
    • C23C14/22—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material characterised by the process of coating
    • C23C14/34—Sputtering
    • C23C14/3407—Cathode assembly for sputtering apparatus, e.g. Target
    • C—CHEMISTRY; METALLURGY
    • C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
    • C23C28/00—Coating for obtaining at least two superposed coatings either by methods not provided for in a single one of groups C23C2/00 - C23C26/00 or by combinations of methods provided for in subclasses C23C and C25C or C25D
    • C23C28/04—Coating for obtaining at least two superposed coatings either by methods not provided for in a single one of groups C23C2/00 - C23C26/00 or by combinations of methods provided for in subclasses C23C and C25C or C25D only coatings of inorganic non-metallic material
    • C23C28/044—Coating for obtaining at least two superposed coatings either by methods not provided for in a single one of groups C23C2/00 - C23C26/00 or by combinations of methods provided for in subclasses C23C and C25C or C25D only coatings of inorganic non-metallic material coatings specially adapted for cutting tools or wear applications
    • C—CHEMISTRY; METALLURGY
    • C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
    • C23C28/00—Coating for obtaining at least two superposed coatings either by methods not provided for in a single one of groups C23C2/00 - C23C26/00 or by combinations of methods provided for in subclasses C23C and C25C or C25D
    • C23C28/40—Coatings including alternating layers following a pattern, a periodic or defined repetition
    • C—CHEMISTRY; METALLURGY
    • C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
    • C23C28/00—Coating for obtaining at least two superposed coatings either by methods not provided for in a single one of groups C23C2/00 - C23C26/00 or by combinations of methods provided for in subclasses C23C and C25C or C25D
    • C23C28/40—Coatings including alternating layers following a pattern, a periodic or defined repetition
    • C23C28/44—Coatings including alternating layers following a pattern, a periodic or defined repetition characterized by a measurable physical property of the alternating layer or system, e.g. thickness, density, hardness
    • C—CHEMISTRY; METALLURGY
    • C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
    • C23C30/00—Coating with metallic material characterised only by the composition of the metallic material, i.e. not characterised by the coating process
    • C23C30/005—Coating with metallic material characterised only by the composition of the metallic material, i.e. not characterised by the coating process on hard metal substrates
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23B—TURNING; BORING
    • B23B2224/00—Materials of tools or workpieces composed of a compound including a metal

Definitions

  • the present invention relates to a surface-coated cutting tool (hereinafter sometimes referred to as a coated tool).
  • a coated tool This application claims priority from Japanese Patent Application No. 2021-24876 filed on February 19, 2021. All descriptions described in the Japanese patent application are incorporated herein by reference.
  • coated tools are used for turning and planing work materials such as various steels and cast irons.
  • work materials such as various steels and cast irons.
  • drills, miniature drills, and solid type end mills that are used for facing, grooving, and shouldering of work materials.
  • inserts can be detachably attached to perform cutting in the same way as solid type end mills. Insert type end mills and the like are known.
  • a coated tool for example, a tool having a coating layer formed on a tool substrate of a WC-based cemented carbide or the like has been known.
  • Various proposals have been made for this purpose.
  • the surface of a tool substrate is coated with a coating layer of 0.8 to 5.0 ⁇ m
  • the coating layer is a thin layer A composed of a composite nitride grain structure of Ti, Al and B. and a thin layer B composed of a columnar crystal structure
  • the thin layer A and the thin layer B each have a layer thickness of 0.05 to 2.0 ⁇ m, and the average grain size of the granular crystal structure is 30 nm or less, and the average crystal grain size of the columnar crystal structure is 50 to 500 nm
  • the coated tool is said to have excellent wear resistance even in high-speed, high-feed cutting of hardened steel.
  • An object of the present invention is to provide a coated tool exhibiting excellent wear resistance and chipping resistance.
  • a surface-coated cutting tool comprises comprising a tool substrate and a coating layer;
  • the coating layer has an average thickness of 0.2 to 10.0 ⁇ m and includes a structure in which at least one first layer and at least one second layer are alternately laminated,
  • the at least one first layer each has an average thickness of 0.5 to 100.0 nm and has the formula: (Al x Ti 1-xyz M y )B z N, where M is the period One or more elements selected from Groups 4, 5, and 6 of the table and lanthanoids, x is 0.100 to 0.640, y is 0.001 to 0.100, and z is 0.060 to 0 .400),
  • the at least one second layer each has an average thickness of 0.5 to 100.0 nm and has the formula: (Al p Cr 1-pq-r M' q )B r N, where M' is one or more elements selected from groups 4, 5 and 6 of the periodic table and lanthanoids, p is 0.650 to 0.900, q
  • the surface-coated cutting tool according to the embodiment may satisfy the following requirements.
  • (1) The total number of layers of the at least one first layer and the at least one second layer is in the range of 30-800.
  • the inventor of the present invention has extensively studied a coated tool that exhibits excellent wear resistance even when used for high-speed cutting of stainless steel such as austenitic stainless steel.
  • the coating layer containing B has excellent wear resistance, it is brittle. Therefore, simply coating the coating layer containing B cannot achieve both wear resistance and chipping resistance. rice field.
  • the inventors have found that a coating layer having a laminated structure in which the composition of Al and B varies can suppress the propagation of cracks generated by cutting, and can achieve both wear resistance and chipping resistance.
  • Coating Layer The coating layer will be described in detail below.
  • the coating layer in the coated tool according to the present embodiment has an average thickness in the range of 0.2 to 10.0 ⁇ m for the following reasons. If the average thickness is less than 0.2 ⁇ m, excellent abrasion resistance cannot be exhibited over long-term use. If the average thickness exceeds 10.0 ⁇ m, the crystal grains of the coating layer tend to become coarse, and the effect of improving the chipping resistance cannot be obtained. More preferably, the average thickness is 0.8 to 8.0 ⁇ m.
  • the average thickness of each layer is measured by energy dispersive X-ray spectroscopy (Energy Dispersive) attached to scanning electron microscopy (SEM) and transmission electron microscopy (TEM). It can be obtained by cross-sectional observation (longitudinal cross-sectional observation perpendicular to the surface of the tool substrate) by X-ray Spectroscopy (EDS).
  • EDS X-ray Spectroscopy
  • Each includes at least one or more stacked structures.
  • Each first layer (3) is an (AlTiM)BN layer and each second layer (4) is an (AlCrM')BN layer.
  • the first layer (3) and the second layer (4) contain crystal grains of NaCl-type face-centered cubic structure.
  • Each first layer has an average thickness of 0.5 to 100.0 nm and has a composition formula: (Al x Ti 1-xy-z M y )B z N (where M is Group 4 of the periodic table). , Groups 5 and 6, and one or more elements selected from lanthanides, wherein x is 0.100 to 0.640, y is 0.001 to 0.100, and z is 0.060 to 0.400. It is preferable to have an average composition represented by
  • the average thickness of the first layer is less than 0.5 nm, and the crack resistance provided by the laminated structure The progressability cannot be sufficiently improved, and on the other hand, if the thickness exceeds 100.0 nm, the abrasion resistance improvement brought about by the nano-layering cannot be sufficiently exhibited.
  • the reason why the above average composition is preferable is as follows. If x is less than 0.100, Al cannot sufficiently improve the heat resistance, while if it exceeds 0.640, the hardness decreases and sufficient wear resistance cannot be exhibited. When y is less than 0.001, sufficient improvement in heat resistance and mechanical properties cannot be obtained by addition. When z is less than 0.060, sufficient improvement in hardness cannot be obtained, while when it exceeds 0.040, toughness is lowered and chipping and fracture are likely to occur.
  • Each second layer has an average thickness of 0.5 to 100.0 nm and has a composition formula: (Al p Cr 1-pq-r M′ q )B r N (where M′ is one or more elements selected from Groups 4, 5, 6 and lanthanides, wherein p is 0.650 to 0.900, q is 0.000 to 0.100, and r is 0.000 to 0.000. 050).
  • the M element in each first layer and the M' element in each second layer may be different, partly the same, or all the same.
  • the average thickness of the second layer is less than 0.5 nm, the effect as an alternately laminated structure
  • the effect of improving wear resistance which is the effect of nano-layering, cannot be sufficiently exhibited.
  • the reason why the average composition is preferable is as follows. If p is less than 0.650, Al cannot sufficiently improve the heat resistance, while if it exceeds 0.900, hardness decreases and sufficient wear resistance cannot be exhibited. q is 0.000, that is, it may not be contained substantially, but when it is contained, if it exceeds 0.100, toughness is lowered and chipping and fracture are likely to occur, which is not preferable. r is 0.000, that is, it may not be contained substantially.
  • the second layer having a low B content compensates for the abrasion resistance of the first layer having a high B content but is brittle, so that the coating layer as a whole can be made of stainless steel such as austenitic stainless steel. It exhibits excellent wear resistance and chipping resistance even when subjected to high-speed cutting.
  • the alternately laminated structure may be one in which one first layer and one second layer are laminated.
  • the layer in contact with the alternately laminated tool substrate (the layer in contact with the lower layer when there is a lower layer to be described later) may be either the first layer or the second layer.
  • the layer closest to the surface may be either the first layer or the second layer.
  • each first layer and each second layer satisfying the average thickness in the above range, and the average thickness of the coating layer
  • the number of laminated layers of the first layer and the second layer that is, the total number of laminated layers of the first layer and the second layer.
  • the number of layers to be laminated is preferably 30 to 800 layers, more preferably 50 to 750 layers.
  • the object of the present invention can be achieved by including a structure in which at least one or more first layers and second layers are alternately laminated in the coating layer, and a TiN layer covering the surface of the coating layer, and/or may further have an underlying layer on the tool substrate surface. Since the TiN layer has a golden color tone, the TiN layer can be used as an identification layer that can distinguish, for example, whether the cutting tool is unused or used, by the color tone change on the tool surface. can. Incidentally, the average thickness of the TiN layer as the identification layer may be, for example, 0.1 to 1 ⁇ m.
  • the lower layer is a layer provided between the tool substrate and the alternately laminated layers.
  • the average thickness of the coating layer is obtained by measuring a plurality of arbitrarily selected points (for example, 10 points) in a cross section parallel to the normal direction of the surface of the tool substrate for each layer over the entire coating layer. Obtained by calculating the average value of the thickness.
  • the average composition of the first layer and the second layer of the coating layer is obtained by calculating the average value of the composition of a plurality of arbitrarily selected points (for example, 10 points) about the central part of each layer in the thickness direction. .
  • the tool substrate used in the present embodiment can be any material as long as it is a conventionally known tool substrate material, as long as it does not interfere with the achievement of the object of the present invention.
  • cemented carbide WC-based cemented carbide, containing Co in addition to WC, and further containing carbonitrides such as Ti, Ta, Nb, etc.), cermet (TiC, TiN, TiCN, etc. as main components, etc.), ceramics (main components, such as silicon nitride, aluminum oxide, etc.), cBN sintered bodies, or diamond sintered bodies are preferred.
  • the shape of the tool base is not particularly limited as long as it is a shape used as a cutting tool, examples of which include the shape of an insert and the shape of a drill.
  • the coating layer of the coated tool of the present invention can be manufactured using a film forming apparatus (Arc Ion Plating (AIP) apparatus) having an arc vapor deposition source, which is a type of PVD.
  • the first layer can be formed using an AlTiMB target and the second layer using an AlCr or AlCrM target by arc discharge.
  • tool substrates 1 to 3 Co powder, VC powder, TiC powder, TaC powder, NbC powder, Cr 3 C 2 powder, and WC powder were blended according to the composition shown in Table 1 to prepare tool substrates 1-3. Wax is further added to each of the tool substrates 1 to 3, wet-mixed in a ball mill for 72 hours, dried under reduced pressure, and then compacted at a pressure of 100 MPa to produce a powder compact.
  • tool substrates 1 to 3 made of WC-based cemented carbide and having an insert shape with model number SEEN1203AFTN1 (manufactured by Mitsubishi Materials Corporation) were produced.
  • the tool substrates 1 to 3 were ultrasonically cleaned in acetone and dried.
  • Each tool substrate was mounted along the outer periphery at a position radially away from the central axis of the rotary table in the AIP device by a predetermined distance.
  • An AlTiM target and an AlCr or AlCrM target were arranged as a cathode (evaporation source).
  • the inside of the apparatus was heated to 400° C. with a heater, and then rotated on the rotary table in an Ar gas atmosphere of 1.0 Pa.
  • a DC bias voltage of ⁇ 1000 V was applied to the tool substrate, and the surface of the tool substrate was bombarded with argon ions for 60 minutes.
  • metal ion bombardment may be performed using a metal target instead of argon ions in this embodiment.
  • the average thickness of the coating layer, the average thickness of each first layer and each second layer, and the average composition are obtained from the longitudinal section of the coating layer perpendicular to the surface of the tool substrates of Examples 1 to 9 and Comparative Examples 1 to 9 prepared above.
  • the plane was determined by cross-sectional observation using a scanning electron microscope (SEM), transmission electron microscope (TEM), and energy dispersive X-ray spectroscopy (EDS).
  • SEM scanning electron microscope
  • TEM transmission electron microscope
  • EDS energy dispersive X-ray spectroscopy
  • 10 arbitrarily selected cross-sectional samples parallel to the normal direction of the surface of the tool substrate are measured for each layer over the entire coating layer (observation magnification is appropriately set according to the layer thickness. ), and calculated by calculating the average value of the 10 measured thicknesses.
  • the average composition of the first layer and the second layer of the coating layer was obtained by calculating the average value of 10 points of composition for the central portion in the thickness direction of each layer.
  • X-ray diffraction was performed to confirm that each layer had crystals with a NaCl-type face-centered cubic crystal structure.
  • Cutting condition A Work material: SUS304, block material of width 60 mm x length 200 mm Cutting speed: 200 m/min Notch: 1.3mm Feed: 0.27mm/tooth Cutting was performed up to a cutting length of 1.8 m, the flank wear width was measured, and the wear state of the cutting edge was observed. Table 5 shows the results of the cutting test.
  • Cutting condition B Work material: SUS316, block material of width 60 mm x length 200 mm Cutting speed: 180 m/min Notch: 1.5mm Feed: 0.25mm/tooth Cutting was performed up to a cutting length of 1.8 m, the flank wear width was measured, and the wear state of the cutting edge was observed. Table 6 shows the results of the cutting test.

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Cutting Tools, Boring Holders, And Turrets (AREA)
  • Physical Vapour Deposition (AREA)
PCT/JP2021/028272 2021-02-19 2021-07-30 表面被覆切削工具 Ceased WO2022176230A1 (ja)

Priority Applications (5)

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JP2023500512A JPWO2022176230A1 (https=) 2021-02-19 2021-07-30
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EP21926659.0A EP4295978A4 (en) 2021-02-19 2021-07-30 SURFACE COATING CUTTING TOOL
KR1020237027586A KR20230145358A (ko) 2021-02-19 2021-07-30 표면 피복 절삭 공구
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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20240123513A1 (en) * 2022-10-14 2024-04-18 Sumitomo Electric Industries, Ltd. Cutting tool
US12186812B2 (en) 2023-05-17 2025-01-07 Sumitomo Electric Industries, Ltd. Cutting tool
EP4527526A4 (en) * 2022-09-22 2025-07-30 Sumitomo Electric Industries CUTTING TOOL

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2011224717A (ja) 2010-04-20 2011-11-10 Mitsubishi Materials Corp 表面被覆切削工具
JP2011224671A (ja) * 2010-04-15 2011-11-10 Mitsubishi Materials Corp 表面被覆切削工具
JP2012036506A (ja) * 2011-11-08 2012-02-23 Tungaloy Corp 被覆部材
WO2019239654A1 (ja) * 2018-06-15 2019-12-19 住友電工ハードメタル株式会社 表面被覆切削工具、及びその製造方法
JP2021024876A (ja) 2019-07-31 2021-02-22 ポリプラスチックス株式会社 電気絶縁部品用難燃性ポリブチレンテレフタレート樹脂組成物

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ES2388899T3 (es) * 2008-09-05 2012-10-19 Lmt Fette Werkzeugtechnik Gmbh & Co. Kg Herramienta de fresado por generación con un revistimiento y procedimiento para el nuevo revestimiento de una herramienta de fresado por generación
US10640864B2 (en) * 2014-04-10 2020-05-05 Tungaloy Corporation Coated tool
JP6222675B2 (ja) * 2016-03-28 2017-11-01 住友電工ハードメタル株式会社 表面被覆切削工具、およびその製造方法
JP7140834B2 (ja) * 2018-08-01 2022-09-21 オーエスジー株式会社 硬質被膜および硬質被膜被覆部材

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2011224671A (ja) * 2010-04-15 2011-11-10 Mitsubishi Materials Corp 表面被覆切削工具
JP2011224717A (ja) 2010-04-20 2011-11-10 Mitsubishi Materials Corp 表面被覆切削工具
JP2012036506A (ja) * 2011-11-08 2012-02-23 Tungaloy Corp 被覆部材
WO2019239654A1 (ja) * 2018-06-15 2019-12-19 住友電工ハードメタル株式会社 表面被覆切削工具、及びその製造方法
JP2021024876A (ja) 2019-07-31 2021-02-22 ポリプラスチックス株式会社 電気絶縁部品用難燃性ポリブチレンテレフタレート樹脂組成物

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of EP4295978A4

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP4527526A4 (en) * 2022-09-22 2025-07-30 Sumitomo Electric Industries CUTTING TOOL
US20240123513A1 (en) * 2022-10-14 2024-04-18 Sumitomo Electric Industries, Ltd. Cutting tool
US12005509B2 (en) * 2022-10-14 2024-06-11 Sumitomo Electric Industries, Ltd. Cutting tool
EP4434657A4 (en) * 2022-10-14 2024-10-30 Sumitomo Electric Industries, Ltd. CUTTING TOOL
US12186812B2 (en) 2023-05-17 2025-01-07 Sumitomo Electric Industries, Ltd. Cutting tool

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US20240123515A1 (en) 2024-04-18
KR20230145358A (ko) 2023-10-17

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