WO2008026700A1 - Cutting tool, process for producing the same, and method of cutting - Google Patents
Cutting tool, process for producing the same, and method of cutting Download PDFInfo
- Publication number
- WO2008026700A1 WO2008026700A1 PCT/JP2007/066922 JP2007066922W WO2008026700A1 WO 2008026700 A1 WO2008026700 A1 WO 2008026700A1 JP 2007066922 W JP2007066922 W JP 2007066922W WO 2008026700 A1 WO2008026700 A1 WO 2008026700A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- substrate
- cutting tool
- phase
- tin layer
- cutting
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Ceased
Links
Classifications
-
- 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
- B23B27/141—Specially shaped plate-like cutting inserts, i.e. length greater or equal to width, width greater than or equal to thickness
- B23B27/145—Specially shaped plate-like cutting inserts, i.e. length greater or equal to width, width greater than or equal to thickness characterised by having a special shape
- B23B27/146—Means to improve the adhesion between the substrate and the coating
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F7/00—Manufacture of composite layers, workpieces, or articles, comprising metallic powder, by sintering the powder, with or without compacting wherein at least one part is obtained by sintering or compression
- B22F7/06—Manufacture of composite layers, workpieces, or articles, comprising metallic powder, by sintering the powder, with or without compacting wherein at least one part is obtained by sintering or compression of composite workpieces or articles from parts, e.g. to form tipped tools
- B22F7/08—Manufacture of composite layers, workpieces, or articles, comprising metallic powder, by sintering the powder, with or without compacting wherein at least one part is obtained by sintering or compression of composite workpieces or articles from parts, e.g. to form tipped tools with one or more parts not made from powder
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C29/00—Alloys based on carbides, oxides, nitrides, borides, or silicides, e.g. cermets, or other metal compounds, e.g. oxynitrides, sulfides
- C22C29/02—Alloys based on carbides, oxides, nitrides, borides, or silicides, e.g. cermets, or other metal compounds, e.g. oxynitrides, sulfides based on carbides or carbonitrides
-
- 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
- C23C16/00—Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition [CVD] processes
- C23C16/22—Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition [CVD] processes characterised by the deposition of inorganic material, other than metallic material
- C23C16/30—Deposition of compounds, mixtures or solid solutions, e.g. borides, carbides, nitrides
- C23C16/34—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
- C23C16/00—Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition [CVD] processes
- C23C16/44—Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition [CVD] processes characterised by the method of coating
-
- 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
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F5/00—Manufacture of workpieces or articles from metallic powder characterised by the special shape of the product
- B22F2005/001—Cutting tools, earth boring or grinding tool other than table ware
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F2999/00—Aspects linked to processes or compositions used in powder metallurgy
-
- 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
- B23B2224/36—Titanium nitride
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B2228/00—Properties of materials of tools or workpieces, materials of tools or workpieces applied in a specific manner
- B23B2228/10—Coatings
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C2204/00—End product comprising different layers, coatings or parts of cermet
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/26—Web or sheet containing structurally defined element or component, the element or component having a specified physical dimension
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/26—Web or sheet containing structurally defined element or component, the element or component having a specified physical dimension
- Y10T428/268—Monolayer with structurally defined element
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/31504—Composite [nonstructural laminate]
- Y10T428/31678—Of metal
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T83/00—Cutting
- Y10T83/04—Processes
Definitions
- Cutting tool manufacturing method thereof and cutting method
- the present invention relates to a cutting tool used for cutting metal or the like, a manufacturing method thereof, and a cutting method using the cutting tool.
- CVD chemical vapor deposition
- PVD physical vapor deposition
- the surface of a substrate made of a WC-based cemented carbide containing Co is formed by a CVD method on the first layer of TiC or TiN, the second layer of TiCN containing columnar crystals, TiC, TiCO, etc.
- a cutting tool is disclosed in which a third layer and a fourth layer of A12 03 are sequentially coated, and W and Co in the substrate are diffused into the first layer and the second layer or the first to third layers.
- Patent Document 1 JP-A-5-44012
- Patent Document 2 Japanese Patent Laid-Open No. 7-243023
- Patent Document 3 JP-A-8-118105
- the diffusion layer is Remarkably uneven. More specifically, the amount of diffusion increases in the portion where Co, which is a binding metal, is exposed on the substrate surface. However, it does not diffuse sufficiently on the surface of cubic structure compounds such as tungsten carbide. For this reason, there is a problem that improvement in adhesion between the substrate and the coating layer is insufficient.
- the present invention provides a hard material having improved adhesion between a substrate made of a cemented carbide obtained by bonding a hard phase with a binding metal and a TiN layer formed on the surface of the substrate. It aims at providing the cutting tool which consists of materials, and its manufacturing method.
- the cutting tool according to the present invention is made of a hard material, and the hard material includes a base including a hard phase and a binding metal, and a TiN layer formed on the surface of the base. , Ti, Ta, Nb, Zr, and / 3 phase composed of at least one solid solution of carbide, nitride, and carbonitride containing W, wherein the / 3 phase is at least A part of the TiN layer is present on the surface of the substrate, and the TiN layer has a crystal having the same orientation as the ⁇ -phase crystal immediately above the ⁇ -phase on the surface of the substrate.
- the cutting tool manufacturing method in the above invention is a manufacturing method of a cutting tool made of a hard material, and includes a hard phase, a binding metal, at least one of Ti, Ta, Nb, and Zr, and W Polishing a substrate including a / 3 phase composed of at least one solid solution of carbide, nitride, and carbonitride containing, and exposing the / 3 phase to the surface of the substrate; and A pretreatment step for reducing surface oxidation and generating N bond limbs on the surface of the substrate; and a portion epitaxially grown on the substrate by the CVD method on the 13 phase exposed on the surface of the substrate. And a TiN layer forming step for forming a TiN layer having a thickness.
- the adhesion between the substrate and the coating layer can be improved.
- the present invention relates to a cutting tool used for cutting metal or the like. Specifically, the present invention relates to a cutting tool using a hard material in which at least a TiN layer is formed on the surface of a substrate made of a cemented carbide obtained by bonding a hard phase with a binding metal.
- the cutting tool corresponds to a tool having a cutting edge portion that contributes to cutting, such as a solid type drill or end mill, a tip used in a brazing type or a throwaway type turning tool.
- the substrate used in the present invention contains a hard phase and a binding metal.
- the hard phase used in the present invention preferably contains at least one selected from carbides, nitrides and carbonitrides of Group 4, 5, and 6 metals in the periodic table.
- the main component is tungsten carbide (WC), and titanium carbide, tantalum carbide, niobium carbide, zirconium carbide, etc. are used as subcomponents.
- the binding metal is not particularly limited as long as it is conventionally used. For example, iron group metals such as Fe, Ni and Co can be used.
- a coating layer is formed on the surface of the substrate, and the coating layer is a laminate of one or more layers.
- a TiN layer is formed on the most base side of the coating layer.
- a TiCN layer containing columnar crystals, a TiC layer, a TiCO layer, an A1203 layer, and the like are appropriately laminated on the TiN layer!
- the substrate used in the present invention has a / 3 phase composed of at least one solid solution of carbide, nitride, and carbonitride containing at least one of Ti, Ta, Nb, and Zr and W. Have.
- the TiN layer has a crystal having the same orientation relationship as that of the ⁇ -phase crystal, that is, an epitaxial relationship, immediately above the ⁇ -phase on the substrate surface.
- the TiN layer has an epitaxially grown portion immediately above the zero phase at the interface with the substrate.
- the epitaxially grown particles have a crystal lattice stripe pattern (lattice stripe) observed when the ⁇ phase and the TiN layer particles immediately above are confirmed by a transmission electron microscope at a magnification of 2 million times.
- the three-phase force is also visible continuously over the TiN particles, and by analyzing the two points that the / 3 phase and TiN particles show the same lattice structure in the limited-field electron diffraction pattern. I can confirm.
- the / 3 phase is preferably contained in an amount of 1 to 8 wt% with respect to the substrate. Within this range, the balance between the adhesion between the TiN film and the substrate and the strength of the substrate itself is good. For this reason, the wear resistance and fracture resistance of the cutting tool are excellent.
- the / 3 phase is lwt% or more, the area of the TiN layer that grows epitaxially on the / 3 phase increases and the adhesion between the substrate and the TiN layer tends to improve.
- the / 3 phase is 8 wt% or less, the / 3 phase is moderately dispersed and hardly aggregates in the substrate. As a result, it is possible to obtain further fracture resistance in which a / 3 phase aggregate portion that tends to be the starting point of fracture is less likely to occur.
- the maximum height Rmax with respect to the reference length lO ⁇ m is 0.05 to 0.35 ⁇ m at the interface between the substrate and the TiN layer.
- the maximum height Rmax force is preferably 0.1-0.2 ⁇ ⁇ .
- the processed surface is a moderately active surface, and it is possible to suppress excessive oxidation of the surface of the substrate after processing.
- TiN layer tends to grow epitaxially on / 3 phase. If the Rmax is 0.35 ⁇ m or less, the surface is kept smooth, and the TiN layer is likely to grow epitaxially on the 0 phase.
- the average crystal width in the direction perpendicular to the thickness direction of the TiN crystal in the TiN film is 10 to 50 nm, the adhesive force is most improved and the epitaxial growth is facilitated.
- the average crystal width is preferably 10 to 30 nm.
- the average crystal width in the direction perpendicular to the thickness direction of the TiN crystal in the TiN film is 10 nm or more, the grain boundary per unit area does not increase too much, and the region where epitaxy grows is formed. It is possible to secure.
- the average crystal width is 50 nm or less, TiN Since the strength of the particles themselves is maintained, even when a strong impact is applied, the TiN layer is difficult to break and becomes deficient.
- metal cobalt (Co) powder is added to tungsten carbide (WC) powder 5.0 to 15.
- titanium carbide powder is blended at a ratio of 0.8 to 4.5 vol%
- tantalum carbide powder is blended at a ratio of 0.5 to 7. Ovol%.
- the mixture is mixed and pulverized for a predetermined time to form a slurry, and then a binder is added to the slurry, and the mixed powder is granulated while drying using a spray dryer or the like. To do. Next, the granulated powder is formed into a cutting tool shape by press molding. Then, after degreasing in a firing furnace, the temperature of the firing furnace is raised to 1420 to; 1550 ° C .; and! To 1.5 hours are fired to produce a cemented carbide.
- the surface of the substrate made of the cemented carbide is polished with a brush using abrasive grains of about # 400 to 1000.
- the TiN layer force formed thereon can be adjusted to a state where it is easy to grow epitaxially with the / 3 phase.
- the rotational speed and pressure of the brush in the polishing step are set so that the maximum height Rmax with respect to the reference length lO rn is 0 ⁇ 05 ⁇ 0.335 111 at the interface with the TiN layer of the substrate. Adjust as appropriate.
- polishing with a brush is preferable because the surface roughness such as sand blasting or etching tends to increase, and the surface roughness can be easily adjusted within the above range compared to the polishing method! .
- a gas mixed in a CVD furnace containing H2 in the range of 50 to 75 vol% and N2 in the range of 25 to 50 vol% and totaling ⁇ / ⁇ is introduced.
- the volume of the introduced gas at room temperature and normal pressure is Vg (L / min)
- the volume in the CVD furnace is Vr (Vg / Vr (l / min) when U is 0 .;! ⁇ 0
- the TiN layer formed on the substrate surface tends to be a crystal having the same orientation as the 0-phase crystal on the substrate surface. In other words, the TiN layer can easily be epitaxially grown with the / 3 phase on the surface of the substrate.
- the treatment time is about 10 to 60 minutes
- the pressure in the CVD furnace is 10 to 30 kPa
- the treatment temperature is 850 to 950 ° C. In this range, epitaxial growth is likely to occur on the substrate surface! /, And the surface state is obtained.
- TiC14 is included in the CVD furnace in a range of 0.3 to 1.2 vol%, H2 to 35 to 65 vol%, and N2 to 35 to 65 vol%, respectively.
- a gas mixed so that the total amount is lOOvol% is introduced, and the Vg / Vr (l / min) is controlled at a constant pressure so that the Vg / Vr (l / min) becomes 0.7 to 1.1.
- a TiN layer having a portion epitaxially grown on the / 3 phase exposed on the substrate surface is formed.
- the value of Vg (L / min) is increased, that is, the amount of introduced gas is greatly increased compared to the pretreatment step.
- the flow rate of the gas flowing in the CVD furnace becomes faster under a constant pressure atmosphere.
- the energy S required to supply the energy necessary for epitaxial growth as a kinetic energy to the TiN layer deposited by CVD is reduced.
- the pressure is preferably 7 to 20 kPa, and the processing temperature is 860 to 1000 ° C. Within this range, the TiN layer on the substrate surface is less likely to grow epitaxially.
- a predetermined TiN layer film-forming step is performed after a predetermined polishing step and a predetermined pretreatment step are performed on the substrate, whereby a TiN layer exposed on the / 3 phase exposed on the substrate surface
- a predetermined pretreatment step is performed on the substrate, whereby a TiN layer exposed on the / 3 phase exposed on the substrate surface
- the surface of the substrate is roughened as in the prior art, epitaxy growth is unlikely to occur on the surface.
- the surface oxidation proceeds, and the TiN layer formed on the / 3 phase of the substrate surface can be epitaxially grown.
- the mirror surface or Rmax is preferably 0.05 111 or less.
- the cemented carbide that is the material of the base is a hexagonal crystal such as tungsten carbide, whereas the TiN layer is a cubic crystal and the crystal system is different, so it is necessary to add misfit dislocations. For example, it was very difficult to make the TiN layer formed on the surface of the substrate a crystal having the same orientation as the / 3 phase crystal.
- the applicant has (1) at least one of carbide, nitride, and carbonitride containing at least one of Ti, Ta, Nb, and Zr and W on the surface of the substrate.
- a polishing step that exposes the / 3 phase consisting of one kind of solid solution and smoothes the surface of the substrate, (2) a pretreatment step that reduces oxidation of the substrate surface and generates N bonding limbs on the substrate surface (3)
- a TiN layer film forming process that generates a gas flow in a CVD furnace under a predetermined condition and supplies energy necessary for epitaxial growth when forming a TiN layer, We succeeded in epitaxial growth of the TiN layer directly above the / 3 phase at the interface with the substrate, which was impossible with conventional technology.
- a cemented carbide of Sample No. AD was fabricated by firing according to the method described in Table 1.
- Samples Nos. 1 to 15 were prepared using the above-mentioned sample Nos. A to D cemented carbide as a base, and each polishing step shown in Table 2 was performed on the surface of the substrate. .
- the layer thicknesses in Table 2 are taken by scanning electron microscope (SEM) photographs taken at 5 locations of arbitrary fracture surfaces including the interface between the substrate and the coating layer, or the interface of each layer of the coating layer. The average value was calculated by measuring several thicknesses.
- Note 2 () indicates the layer thickness.
- the unit is ii m.
- Note 3> indicates particle S.
- the unit is nm.
- the pretreatment process was performed under the conditions described in Tables 2 and 3.
- sample layers No. 1 to No. 15 were prepared by CVD using the layers shown in Table 2 under the conditions shown in Table 3.
- TiN1 TiCI 4 1.0, N 2 : 50, H 2 : balance 0.83 900 10
- Vg / Vr in the film formation condition column is the supply flow rate Vg (L / min) into the furnace and the effective volume in the furnace Vr ( Divided by L)
- the TiN layer force S and the ⁇ -phase on the substrate surface include a crystal having the same orientation relationship as the / 3 crystal, that is, whether or not it is epitaxially grown, Restricted field of view
- HR— ⁇ high-resolution transmission electron microscope
- Fig. 1 shows a schematic diagram of a cross section where the epitaxial growth near the interface between the substrate and the coating layer can be confirmed.
- the ⁇ -phase partial force lattice fringes of the substrate are continuous with the TiN layer. In a certain region, that is, immediately above the / 3 phase, a portion having the same orientation relationship as that of the phase was confirmed.
- the TiN layer has a lattice pattern discontinuous with the / 3 phase immediately above the / 3 phase, and has the same orientation as the ⁇ phase. The location was a power that could not be confirmed.
- a cutting test was performed using the above samples No. 1 to 15 under the following conditions, and the wear resistance (flank wear, boundary wear), chipping resistance, and edge state were measured. The results are shown in Table 4 below.
- the TiN layer is a crystal having the same orientation relationship as the ⁇ -phase crystal on the surface of the substrate, thereby improving the adhesion between the substrate and the coating layer at that location. It is thought that it was able to be suppressed. In addition, it is considered that the portion where pressure is concentrated at the interface between the substrate and the coating layer can be reduced, and the durability of the cutting tool can be improved.
- FIG. 2 to FIG. 4 show schematic views in the cutting method of the present invention.
- a cutting tool 15 and a work material 20 are prepared, and the work material 20 is rotated to bring the cutting tool 15 closer to the work material 20.
- the cutting tool 15 and the work material 20 may be relatively close to each other.
- the work material 10 may be close to the cutting tool 15.
- the cutting tool 15 is brought into contact with the work material 20 for cutting. That Thereafter, as shown in FIG. 4, the cutting tool 15 is separated from the work material 20. In the case of continuing the cutting process, the state in which the work material 20 is rotated and the cutting tool 15 is brought into contact with different parts of the work material 20 is repeated.
- the cutting method can also be used for other cutting processes such as the outer diameter process, specifically the force inner diameter process described in the example of the horizontal drawing process.
- FIG. 1 is a schematic view of a cross section including the vicinity of an interface between a base material and a coating layer.
- FIG. 2 is a schematic view showing the steps of the cutting method of the present invention.
- FIG. 3 is a schematic view showing the steps of the cutting method of the present invention.
- FIG. 4 is a schematic view showing the steps of the cutting method of the present invention.
- a TiN layer epitaxial growth location (location with the same orientation as the / 3 phase crystal)
Landscapes
- Chemical & Material Sciences (AREA)
- Mechanical Engineering (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Metallurgy (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Inorganic Chemistry (AREA)
- Composite Materials (AREA)
- Manufacturing & Machinery (AREA)
- Cutting Tools, Boring Holders, And Turrets (AREA)
- Chemical Vapour Deposition (AREA)
- Powder Metallurgy (AREA)
Description
Claims
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP20070806399 EP2058070B1 (en) | 2006-08-31 | 2007-08-30 | Cutting tool, process for producing the same, and method of cutting |
| US12/305,241 US8252435B2 (en) | 2006-08-31 | 2007-08-30 | Cutting tool, process for producing the same, and method of cutting |
| JP2008532123A JP5111379B2 (ja) | 2006-08-31 | 2007-08-30 | 切削工具及びその製造方法並びに切削方法 |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2006234916 | 2006-08-31 | ||
| JP2006-234916 | 2006-08-31 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| WO2008026700A1 true WO2008026700A1 (en) | 2008-03-06 |
Family
ID=39135982
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/JP2007/066922 Ceased WO2008026700A1 (en) | 2006-08-31 | 2007-08-30 | Cutting tool, process for producing the same, and method of cutting |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US8252435B2 (ja) |
| EP (1) | EP2058070B1 (ja) |
| JP (1) | JP5111379B2 (ja) |
| WO (1) | WO2008026700A1 (ja) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2010207919A (ja) * | 2009-03-06 | 2010-09-24 | Mitsubishi Materials Corp | すぐれた切屑排出性を示す表面被覆切削工具 |
| JP2014223722A (ja) * | 2013-02-27 | 2014-12-04 | 京セラ株式会社 | 切削工具 |
| WO2019181790A1 (ja) * | 2018-03-20 | 2019-09-26 | 京セラ株式会社 | インサート及びこれを備えた切削工具 |
| US11311946B2 (en) | 2018-03-20 | 2022-04-26 | Kyocera Corporation | Coated tool and cutting tool including the same |
| JPWO2024018889A1 (ja) * | 2022-07-21 | 2024-01-25 |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2016052479A1 (ja) * | 2014-09-30 | 2016-04-07 | 三菱マテリアル株式会社 | 耐チッピング性にすぐれた表面被覆切削工具 |
| JP6620482B2 (ja) * | 2014-09-30 | 2019-12-18 | 三菱マテリアル株式会社 | 耐チッピング性にすぐれた表面被覆切削工具 |
| DE112017002039B4 (de) * | 2016-04-13 | 2024-04-04 | Kyocera Corporation | Schneideinsatz und schneidwerkzeug |
| WO2019181794A1 (ja) * | 2018-03-20 | 2019-09-26 | 京セラ株式会社 | インサート及びこれを備えた切削工具 |
| EP3769881A4 (en) * | 2018-03-20 | 2021-12-22 | Kyocera Corporation | INSERT AND CUTTING TOOL INCLUDING IT |
| WO2019181791A1 (ja) * | 2018-03-20 | 2019-09-26 | 京セラ株式会社 | 工具及びこれを備えた切削工具 |
| WO2019181792A1 (ja) * | 2018-03-20 | 2019-09-26 | 京セラ株式会社 | インサート及びこれを備えた切削工具 |
| JP7415222B2 (ja) * | 2020-02-12 | 2024-01-17 | 三菱マテリアル株式会社 | 表面被覆切削工具 |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07243023A (ja) | 1994-02-28 | 1995-09-19 | Mitsubishi Materials Corp | 耐欠損性のすぐれた表面被覆炭化タングステン基超硬合金製切削工具 |
| JPH08118105A (ja) | 1994-10-20 | 1996-05-14 | Mitsubishi Materials Corp | 硬質被覆層がすぐれた層間密着性を有する表面被覆炭化タングステン基超硬合金製切削工具 |
| JP2000234171A (ja) * | 1998-12-09 | 2000-08-29 | Seco Tools Ab | 被覆超硬合金ボディー及びそれを用いた鋼の切削方法 |
| JP2001524886A (ja) * | 1997-05-15 | 2001-12-04 | サンドビック アクティエボラーグ | 窒化された表面領域を備えたチタニウム基炭窒化物合金 |
| JP2003094207A (ja) * | 2001-09-26 | 2003-04-03 | Kyocera Corp | 切削工具 |
| JP2004249380A (ja) * | 2003-02-18 | 2004-09-09 | Kyocera Corp | 表面被覆Ti基サーメット製切削工具およびその製造方法 |
| JP2005036565A (ja) * | 2003-07-17 | 2005-02-10 | Sekisui Chem Co Ltd | 更生管のマンホール更生工法 |
| JP2005111574A (ja) * | 2003-10-03 | 2005-04-28 | Hitachi Tool Engineering Ltd | 多層皮膜被覆工具及びその被覆方法 |
| JP2005271193A (ja) * | 2004-02-23 | 2005-10-06 | Hitachi Tool Engineering Ltd | 表面被覆超硬合金切削工具 |
Family Cites Families (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2717842C2 (de) * | 1977-04-22 | 1983-09-01 | Fried. Krupp Gmbh, 4300 Essen | Verfahren zur Oberflächenbehandlung von gesinterten Hartmetallkörpern |
| JPS575860A (en) * | 1980-06-11 | 1982-01-12 | Ngk Spark Plug Co Ltd | Preparation of coating tip for cutting |
| JPS5716161A (en) * | 1980-07-02 | 1982-01-27 | Ngk Spark Plug Co Ltd | Preparation of coating tip for cutting |
| JPS5867859A (ja) * | 1981-10-19 | 1983-04-22 | Hitachi Metals Ltd | 被覆超硬合金および製造法 |
| JPS60108253A (ja) * | 1983-11-15 | 1985-06-13 | Matsushita Electric Works Ltd | 木目形成用プレス成形型の製造装置 |
| US4649084A (en) * | 1985-05-06 | 1987-03-10 | General Electric Company | Process for adhering an oxide coating on a cobalt-enriched zone, and articles made from said process |
| DE4037480A1 (de) * | 1990-11-24 | 1992-05-27 | Krupp Widia Gmbh | Verfahren zur herstellung eines beschichteten hartmetallschneidkoerpers |
| US5624766A (en) * | 1993-08-16 | 1997-04-29 | Sumitomo Electric Industries, Ltd. | Cemented carbide and coated cemented carbide for cutting tool |
| US6017488A (en) * | 1998-05-11 | 2000-01-25 | Sandvik Ab | Method for nitriding a titanium-based carbonitride alloy |
| US20010016273A1 (en) * | 1998-05-08 | 2001-08-23 | Krishnan Narasimhan | Multilayer cvd coated article and process for producing same |
| US6251508B1 (en) * | 1998-12-09 | 2001-06-26 | Seco Tools Ab | Grade for cast iron |
| JP2000297342A (ja) * | 1999-04-12 | 2000-10-24 | Toshiba Tungaloy Co Ltd | 表面調質超硬合金、被覆表面調質超硬合金およびその製法 |
| JP2001179507A (ja) * | 1999-12-24 | 2001-07-03 | Kyocera Corp | 切削工具 |
| DE10244955C5 (de) * | 2001-09-26 | 2021-12-23 | Kyocera Corp. | Sinterhartmetall, Verwendung eines Sinterhartmetalls und Verfahren zur Herstellung eines Sinterhartmetalls |
| JP5031182B2 (ja) | 2004-05-27 | 2012-09-19 | 京セラ株式会社 | 超硬合金 |
-
2007
- 2007-08-30 US US12/305,241 patent/US8252435B2/en not_active Expired - Fee Related
- 2007-08-30 WO PCT/JP2007/066922 patent/WO2008026700A1/ja not_active Ceased
- 2007-08-30 EP EP20070806399 patent/EP2058070B1/en not_active Ceased
- 2007-08-30 JP JP2008532123A patent/JP5111379B2/ja active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07243023A (ja) | 1994-02-28 | 1995-09-19 | Mitsubishi Materials Corp | 耐欠損性のすぐれた表面被覆炭化タングステン基超硬合金製切削工具 |
| JPH08118105A (ja) | 1994-10-20 | 1996-05-14 | Mitsubishi Materials Corp | 硬質被覆層がすぐれた層間密着性を有する表面被覆炭化タングステン基超硬合金製切削工具 |
| JP2001524886A (ja) * | 1997-05-15 | 2001-12-04 | サンドビック アクティエボラーグ | 窒化された表面領域を備えたチタニウム基炭窒化物合金 |
| JP2000234171A (ja) * | 1998-12-09 | 2000-08-29 | Seco Tools Ab | 被覆超硬合金ボディー及びそれを用いた鋼の切削方法 |
| JP2003094207A (ja) * | 2001-09-26 | 2003-04-03 | Kyocera Corp | 切削工具 |
| JP2004249380A (ja) * | 2003-02-18 | 2004-09-09 | Kyocera Corp | 表面被覆Ti基サーメット製切削工具およびその製造方法 |
| JP2005036565A (ja) * | 2003-07-17 | 2005-02-10 | Sekisui Chem Co Ltd | 更生管のマンホール更生工法 |
| JP2005111574A (ja) * | 2003-10-03 | 2005-04-28 | Hitachi Tool Engineering Ltd | 多層皮膜被覆工具及びその被覆方法 |
| JP2005271193A (ja) * | 2004-02-23 | 2005-10-06 | Hitachi Tool Engineering Ltd | 表面被覆超硬合金切削工具 |
Non-Patent Citations (3)
| Title |
|---|
| See also references of EP2058070A4 * |
| U. HELMERSSON ET AL., GROWTH, STRUCTURE AND PROPERTIES OF TIN COATINGS AND STEEL SUBSTRATES |
| XIE ET AL., ACTA METALLURGICA, 2000, pages 1099 - 1103 |
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2010207919A (ja) * | 2009-03-06 | 2010-09-24 | Mitsubishi Materials Corp | すぐれた切屑排出性を示す表面被覆切削工具 |
| JP2014223722A (ja) * | 2013-02-27 | 2014-12-04 | 京セラ株式会社 | 切削工具 |
| US9694426B2 (en) | 2013-02-27 | 2017-07-04 | Kyocera Corporation | Cutting tool |
| WO2019181790A1 (ja) * | 2018-03-20 | 2019-09-26 | 京セラ株式会社 | インサート及びこれを備えた切削工具 |
| KR20200128150A (ko) * | 2018-03-20 | 2020-11-11 | 교세라 가부시키가이샤 | 인서트 및 이것을 구비한 절삭공구 |
| JPWO2019181790A1 (ja) * | 2018-03-20 | 2021-04-15 | 京セラ株式会社 | インサート及びこれを備えた切削工具 |
| US11311946B2 (en) | 2018-03-20 | 2022-04-26 | Kyocera Corporation | Coated tool and cutting tool including the same |
| JP7092866B2 (ja) | 2018-03-20 | 2022-06-28 | 京セラ株式会社 | インサート及びこれを備えた切削工具 |
| KR102431159B1 (ko) * | 2018-03-20 | 2022-08-10 | 교세라 가부시키가이샤 | 인서트 및 이것을 구비한 절삭공구 |
| JPWO2024018889A1 (ja) * | 2022-07-21 | 2024-01-25 | ||
| WO2024018889A1 (ja) * | 2022-07-21 | 2024-01-25 | 京セラ株式会社 | 被覆工具および切削工具 |
| JP7805459B2 (ja) | 2022-07-21 | 2026-01-23 | 京セラ株式会社 | 被覆工具および切削工具 |
Also Published As
| Publication number | Publication date |
|---|---|
| EP2058070A1 (en) | 2009-05-13 |
| EP2058070B1 (en) | 2014-02-26 |
| US8252435B2 (en) | 2012-08-28 |
| JP5111379B2 (ja) | 2013-01-09 |
| JPWO2008026700A1 (ja) | 2010-01-21 |
| EP2058070A4 (en) | 2010-07-14 |
| US20090223333A1 (en) | 2009-09-10 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP5111379B2 (ja) | 切削工具及びその製造方法並びに切削方法 | |
| JP4593852B2 (ja) | 被覆硬質合金 | |
| KR102033188B1 (ko) | 경질 피복층이 우수한 내치핑성과 내마모성을 발휘하는 표면 피복 절삭 공구 | |
| KR101065572B1 (ko) | 다이아몬드 막 피복 공구 및 그 제조 방법 | |
| JP6011631B2 (ja) | 硬質皮膜被覆工具及びその製造方法 | |
| WO2007122859A1 (ja) | 切削工具及びその製造方法、並びに切削方法 | |
| JP2009519139A (ja) | 被覆された切削工具インサート | |
| JP4330859B2 (ja) | 被覆超硬合金およびその製造方法 | |
| JP6996064B2 (ja) | 表面被覆切削工具及びその製造方法 | |
| EP1253124B1 (en) | Highly adhesive surface-coated cemented carbide and method for producing the same | |
| JP4711714B2 (ja) | 表面被覆切削工具 | |
| JP4142955B2 (ja) | 表面被覆切削工具 | |
| JP5088481B2 (ja) | 重切削加工で硬質被覆層がすぐれた耐摩耗性を発揮する表面被覆切削工具 | |
| JP2012144766A (ja) | 被覆部材 | |
| JP7035296B2 (ja) | 表面被覆切削工具及びその製造方法 | |
| JP5108774B2 (ja) | 金属炭窒化物層を被覆するための方法 | |
| JP3278785B2 (ja) | 表面被覆切削工具の製造法 | |
| JP2008264988A (ja) | 切削工具の製造方法 | |
| JP2008238392A (ja) | 切削工具 | |
| JP6162484B2 (ja) | 表面被覆部材 | |
| JP2006281361A (ja) | 表面被覆部材および表面被覆切削工具 | |
| JP3900520B2 (ja) | 高速切削条件で硬質被覆層がすぐれた耐摩耗性を発揮する表面被覆超硬合金製切削工具 | |
| JP4663248B2 (ja) | 表面被覆切削工具 | |
| JP2974285B2 (ja) | 被覆超硬工具の製造法 | |
| JP4936742B2 (ja) | 表面被覆工具および切削工具 |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 121 | Ep: the epo has been informed by wipo that ep was designated in this application |
Ref document number: 07806399 Country of ref document: EP Kind code of ref document: A1 |
|
| ENP | Entry into the national phase |
Ref document number: 2008532123 Country of ref document: JP Kind code of ref document: A |
|
| WWE | Wipo information: entry into national phase |
Ref document number: 2007806399 Country of ref document: EP |
|
| NENP | Non-entry into the national phase |
Ref country code: DE |
|
| NENP | Non-entry into the national phase |
Ref country code: RU |
|
| WWE | Wipo information: entry into national phase |
Ref document number: 12305241 Country of ref document: US |

