WO2005072895A1 - 表面被覆超硬合金製切削工具、及びその製造方法 - Google Patents
表面被覆超硬合金製切削工具、及びその製造方法 Download PDFInfo
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- 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
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- 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
- C23C14/0664—Carbonitrides
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- 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
- C23C14/35—Sputtering by application of a magnetic field, e.g. magnetron sputtering
- C23C14/352—Sputtering by application of a magnetic field, e.g. magnetron sputtering using more than one target
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- 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
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- 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
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- 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
- Y10T428/24—Structurally defined web or sheet [e.g., overall dimension, etc.]
- Y10T428/24942—Structurally defined web or sheet [e.g., overall dimension, etc.] including components having same physical characteristic in differing degree
- Y10T428/2495—Thickness [relative or absolute]
- Y10T428/24967—Absolute thicknesses specified
- Y10T428/24975—No layer or component greater than 5 mils thick
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- 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
- Y10T428/25—Web or sheet containing structurally defined element or component and including a second component containing structurally defined particles
- Y10T428/252—Glass or ceramic [i.e., fired or glazed clay, cement, etc.] [porcelain, quartz, etc.]
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- 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
- Y10T428/263—Coating layer not in excess of 5 mils thick or equivalent
- Y10T428/264—Up to 3 mils
- Y10T428/265—1 mil or less
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- 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
- Y10T428/30—Self-sustaining carbon mass or layer with impregnant or other layer
Definitions
- the present invention provides a lubricating amorphous carbon-based coating even when cutting steel materials such as various types of steel and iron, and non-ferrous materials such as A1 alloys and Cu alloys, particularly at high speeds.
- the present invention relates to a surface-coated cemented carbide cutting tool that exhibits excellent wear resistance (hereinafter referred to as coated carbide tool).
- the present invention provides a surface coating layer having excellent high-temperature hardness and heat resistance, and excellent high-temperature strength, as well as excellent lubricating properties, and therefore, particularly, various A1 and A1 alloys, Cu and Cu alloys,
- the surface coating layer This is a coated carbide tool that exhibits excellent wear resistance without occurrence of chipping (micro chipping).
- a coated carbide tool it can be freely attached to and detached from the tip of a cutting tool for turning or flat cutting of various steel materials such as steel and iron, and non-ferrous materials such as A1 alloy and Cu alloy.
- a throw-away insert used for mounting on a drill, a drill miniature drill used for drilling, etc., and a solid type end mill used for face milling, grooving, shoulder processing, etc.
- a throwaway end mill tool or the like which detachably attaches a way tip and performs cutting in the same manner as the solid type end mill.
- Ti target as a power source electrode (evaporation source) in a sputtering device, and forming in a reaction atmosphere consisting of a mixed gas of nitrogen and Ar, or a mixed gas of hydrocarbon decomposition gas and nitrogen and Ar.
- Adhesion bonding consisting of one or both of a titanium nitride (hereinafter, referred to as TiN) layer and a titanium carbonitride (hereinafter, referred to as TiCN) layer and having an average layer thickness of 0.13 xm
- a WC target was used as a power source electrode (evaporation source), formed in a reaction atmosphere composed of a mixed gas of hydrocarbon decomposition gas and Ar, and measured with an Auger spectrometer.
- Coated carbide tools which have a composition consisting of carbon and unavoidable impurities, and have a lubricating amorphous carbon-based coating having an average layer thickness of 11 ⁇ m. It has been.
- the conventional coated carbide tool described above has a force source electrode (evaporation source) with a Ti target sputtering device, a power source electrode (evaporation source) with a Ti target sputtering device, a power source electrode (evaporation source) with a Ti target sputtering device, a power source electrode (evaporation source) with a Ti target sputtering device, a power source electrode (evaporation source) with a Ti target sputtering device, a power source electrode (evaporation source) with a Ti target sputtering device, a power source electrode (evaporation source) with a Ti target sputtering device, a power source electrode (evaporation source) with a Ti target sputtering device, a power source electrode (evaporation source) with a Ti target sputtering device, a power source electrode (evaporation source) with a Ti target sputtering device, a power source electrode (evaporation source) with a Ti
- Nitrogen and Ar are introduced at, for example, a nitrogen flow rate of 200 sccm and an Ar flow rate of 300 sccm, and a mixed gas of, for example, lPa of nitrogen and Ar, or, for example, CH (charcoal).
- H flow rate 40sccm
- nitrogen flow rate 200sccm
- Ar flow rate 40sccm
- a sputtering power of 12 kW (frequency: 40 kHz) is applied to the power source electrode (evaporation source) of the Ti target, while a bias voltage of, for example, -100 V is applied to the carbide substrate.
- a glow discharge is generated under the conditions described above, and an adhesion bonding layer composed of either or both of a TiN layer and a TiCN layer having a predetermined thickness is formed on the surface of the cemented carbide substrate.
- hydrocarbons such as CH
- Ar was introduced at a rate of 40 to 80 sccm in CH flow rate and 250 sccm in Ar flow rate, and the nitrogen was introduced.
- a mixed gas of methane and the mixed gas of nitrogen and Ar The atmosphere is changed to a reaction atmosphere composed of, for example, a mixed gas of hydrocarbon decomposition gas of IPa and Ar, and the bias voltage applied to the above-mentioned carbide substrate is set at, for example, 120 V, and the cathode electrode of the WC target (evaporation source) It is manufactured by depositing a lubricating amorphous carbon-based coating with a predetermined thickness on the above-mentioned adhesion bonding layer under the condition that an output power of 4 to 6 kW (frequency: 40 kHz) is applied. It is also known (see JP-A-07-164211 and JP-A-2002-513087).
- tungsten carbide hereinafter, referred to as WC
- TiCN titanium carbonitride
- the lower layer has an average layer thickness of 1.5 to 10 x m, and has a composition formula: (Ti Al) N (
- the upper layer has an average layer thickness of 110 / im, and a WC target is used as a power source electrode (evaporation source) by a sputtering device. It is formed in a reaction atmosphere consisting of a mixed gas, and is measured by an Auger spectrometer.
- An amorphous carbon-based lubricating layer having a composition consisting of carbon and inevitable impurities, and a coated carbide tool formed by vapor deposition is known, and a surface coating layer of the coated carbide tool is known.
- the (Ti, A1) N layer which is a hard layer, has high-temperature hardness and heat resistance due to Al as a component, has high-temperature strength due to Ti, and has an amorphous carbon-based lubricating layer as the upper layer.
- the above coated carbide tool is, for example, a vapor deposition apparatus schematically shown in FIG. 6, that is, an alloy in which a Ti-A1 alloy having a predetermined composition is set as a force source electrode (evaporation source).
- a discharge device and a vapor deposition device equipped with a sputtering device on which a WC target was set as a power source electrode (evaporation source) were used, and the above-mentioned super-hard substrate was charged into the deposition device.
- Ar flow rate Introduced at a rate of 250 sccm, for example, to make a reaction atmosphere composed of a mixed gas of IPa hydrocarbon decomposition gas and Ar, for example, a bias voltage of 20 V applied to the cemented carbide substrate, Amorphous carbon-based lubrication was applied to the hard layer consisting of the (Ti, A1N layer) under the conditions that an output of 416 kW (frequency: 40 kHz) was applied to the target power electrode (evaporation source). It is also known that it is manufactured by vapor-depositing a layer (see JP-T-2002-513087).
- a magnetic field is formed by the electromagnetic coil using a vapor deposition apparatus provided with an electromagnetic coil in each of the sputtering apparatuses and serving as a magnetron sputtering apparatus, and the magnetic flux density at the mounting portion of the superhard substrate is set to 100 300 G (Gauss).
- the heating temperature in the apparatus is set to 300 to 500 ° C.
- the reaction gas in the apparatus is a hydrocarbon such as CH
- nitrogen and Ar preferably CH flow rate: 25-100sccm, nitrogen flow rate: 200-300sccm
- the power source electrode (evaporation source) of the WC target of both magnetron sputtering devices has, for example, a sputtering power of 11 kW (frequency: 40 kHz),
- a sputtering power of 11 kW frequency: 40 kHz
- a sputtering power of 38 kW frequency: 40 kHz
- the structure of the carbon-based amorphous coating is coated with fine particles of a crystalline titanium carbonitride-based compound [hereinafter referred to as “crystalline Ti”.
- crystalline Ti a crystalline titanium carbonitride-based compound
- (C, N) -based compound fine particles ” have a microstructure with a dispersed distribution.
- Nitrogen 0.5 20 atomic%
- the coated carbide tool formed with this lubricating amorphous carbon-based film has a W component In combination with the strength improvement effect of To exhibit even more excellent wear resistance over a long period of time without the occurrence of microscopic chipping.
- Nitrogen 0.5-30 atomic%
- a highly lubricated amorphous carbon-based coating formed by vapor deposition of a lubricating amorphous carbon-based coating having an average layer thickness of 11 / m It is characterized by coated carbide tools that exhibit wear properties.
- the adhesion bonding layer composed of either or both of the TiN layer and the TiCN layer is located between the cemented carbide substrate and the lubricating amorphous carbon-based coating, and firmly adheres to both of them.
- the average layer thickness is less than 0.1 lzm, the desired excellent adhesion cannot be secured, while the average layer thickness cannot be assured. Above 3 xm, it is easy to cause thermoplastic deformation, especially at high speed cutting
- the average layer thickness was determined to be 0.1 ⁇ 3 ⁇ ⁇ ⁇ , since this would cause chipping in the lubricious amorphous carbon-based coating.
- the W component has the effect of forming the base of the above-mentioned lubricating amorphous carbon-based coating and improving the strength of the coating.
- the content is less than 5 atomic%, the desired high strength is ensured.
- the content exceeds 40 atomic%, the lubricating property will rapidly decrease, so the content was set to 540 atomic%.
- the Ti component, the N component, and the C (carbon) component combine under magnetic field film formation and exist as crystalline Ti (C, N) -based compound fine particles in the coating, which significantly improves the hardness of the coating.
- the Ti content is less than 0.5 atomic% and the N content is less than 0.5 atomic%, the proportion of Ti (C, N) -based fine particles in the coating decreases. If the content exceeds 30 atomic% for the Ti component and 30 atomic% for the N component, the strength and lubricity will rapidly decrease. Therefore, their contents were determined as Ti: 0.5-30 atomic% and N: 0.5-30 atomic%, respectively.
- the average layer thickness is less than 1 ⁇ m, the desired lubricating and abrasion resistance effects cannot be secured, while if the average layer thickness exceeds 13 ⁇ , chipping occurs at the cutting edge.
- the average layer thickness was determined to be 11 ⁇ m because of the fact that it becomes easier.
- the present inventors have conducted further research to develop a coated carbide tool in which a lubricous amorphous carbon-based coating exhibits excellent wear resistance especially in high-speed cutting.
- a magnetic field is formed by the electromagnetic coil, the magnetic flux density at the mounting portion of the superhard substrate is set to 100 to 300 G (Gauss), and the heating temperature in the device is set to 300 to 500 ° C.
- Nitrogen and Ar as reaction gas in the device For example, nitrogen is introduced at a flow rate of 200 sccm and Ar flow rate is introduced at a rate of 300 sccm to form a reaction atmosphere composed of, for example, a mixed gas of nitrogen and Ar of IPa, and a force source electrode (evaporation source) of the Ti A1 alloy target is Output: A sputtering power of 12 kW (frequency: 40 kHz) is applied.
- a glow discharge is generated on the super-hard substrate under the condition that a bias voltage of, for example, 1100 V is applied.
- (Ti, A1) N) layer When a composite nitride layer of Ti and A1 (hereinafter, referred to as (Ti, A1) N) layer is formed, the resulting (Ti, A1) N layer is firmly adhered to the surface of the cemented carbide substrate. Further, the adhesion to the cemented carbide substrate can be further improved by film formation in a magnetic field, and the high-temperature hardness and heat resistance can be improved by the inclusion of A1 in the magnetic field. In addition, even in high-speed cutting with high heat generation, it will exhibit excellent wear resistance without chipping.
- CH flow rate 25-100sccm
- nitrogen flow rate 200-300sccm
- the power source electrode (evaporation source) of the WC target of the two magnetron sputtering apparatuses has, for example, a sputtering power of 13 kW (frequency: 40 kHz), and the Ti A1 alloy target has
- the lubricating amorphous carbon-based film formed as a result is formed.
- the film is tightly and tightly bonded to the (Ti, A1) N layer, and the structure of the carbon-based amorphous material is shown in the transmission electron microscope as shown in the schematic diagram in FIG. 1B.
- the substrate has a structure in which crystalline Ti-A1-based composite carbonitride fine particles with excellent high-temperature hardness and heat resistance [hereinafter referred to as "crystalline Ti-A1-based (C, N) fine particles"] are dispersed and distributed. To be like that.
- the resulting lubricious amorphous carbon-based coating has a dispersion distribution of crystalline Ti-A1 (C, N) fines.
- C, N crystalline Ti-A1
- the present invention has been made based on the above research results,
- a WC target and a Ti-A1 alloy target are used as power source electrodes (evaporation sources), and a reaction atmosphere consisting of a hydrocarbon decomposition gas and a mixed gas of nitrogen and Ar. Film in a magnetic field, and measured with an Auger spectrometer,
- the adhesion bonding layer composed of the N layer has excellent high-temperature strength due to the constituent component Ti, and excellent high-temperature hardness and heat resistance due to the A1 component as described above. If the X value, which indicates the content ratio of Ti, is less than 0.40 in the ratio (atomic ratio) to the total amount with Ti, the effect of improving wear resistance in high-speed cutting with high heat generation cannot be obtained. When the X value exceeds 0.60, the high temperature strength sharply decreases, which may cause chipping. Therefore, the X value was set to 0.40-0.60.
- the (Ti, A1) N layer is firmly and tightly bonded to both the super-hard substrate and the lubricating amorphous carbon-based coating, and the adhesion to the super-hard substrate is further improved by film formation in a magnetic field.
- the average layer thickness is less than 0.1 ⁇ , it is not possible to secure the desired excellent adhesion, while if the average layer thickness exceeds 3 ⁇ , especially high speed The average layer thickness was determined to be 0.1-3 ⁇ ⁇ ⁇ ⁇ because it would cause chipping during cutting.
- the W component has the effect of forming the base of the above-mentioned lubricating amorphous carbon-based coating and improving the strength of the coating.
- the content is less than 5 atomic%, the desired high strength is ensured.
- the content exceeds 20 atomic%, the lubricity will rapidly decrease, so the content was set to 520 atomic%.
- the Ti and A1 components, the nitrogen (N) component, and the carbon (C) component are combined under magnetic field film formation, and are present as fine particles of crystalline Ti-A1 (C, N) in the film.
- -A1 (C, N) fine particles have excellent high-temperature strength due to the constituent components Ti and N, and excellent high-temperature hardness and heat resistance due to the A1 and C components.
- Minute Scattered coatings have significantly improved abrasion resistance, but their content is less than 2.5 at% for T ⁇ , less than 1.6 at% for A1 component, and less than 0.1 at% for ⁇ component.
- the content is less than 4 atomic%, the proportion of fine particles of Ti-A1 (C, N) in the coating film becomes too small, and the desired wear resistance cannot be secured.
- the content exceeds 10 at% for the component, 15 at% for the A1 component, and 22.5 at% for the N component, the high-temperature strength decreases, or the high-temperature hardness and heat resistance rapidly decrease.
- the contents were determined as Ti: 2.5-10 atomic%, Al: l.615 atomic%, and nitrogen: 0.4-22.5 atomic%, respectively.
- the average layer thickness is less than 1 beta m, can not and child secure desired lubricity and abrasion resistance effect, whereas when the average layer thickness exceeds 13 xm, Chibbingu occurs easily on the cutting edge
- the average layer thickness was determined to be 13 ⁇ m.
- the present inventors have found that the surface coating layer exhibits excellent wear resistance over a long period of time without generation of chipping, especially in high-speed heavy cutting of a work material such as the above-mentioned non-ferrous material.
- an arc ion plating apparatus having a structure shown in a schematic plan view in FIG. 3A and a schematic front view in FIG. 3B, that is, a rotating table for mounting a carbide substrate is provided in the center of the apparatus.
- the A1 content is relatively high (the Ti content is low).
- An arc plating apparatus equipped with metal Cr as a force source electrode (evaporation source) was also used at a position rotated 90 degrees with respect to the cathode electrode, and the center axis of the apparatus was placed on the rotary table of the vapor deposition apparatus.
- a plurality of carbide substrates are mounted in a ring shape at a predetermined radial distance from the substrate, and in this state, the rotating table is rotated while the atmosphere in the apparatus is a nitrogen atmosphere, and the lower layer (hard layer) formed by vapor deposition is formed.
- the carbide substrate itself is also used for the purpose of making the layer thickness uniform While rotating, an arc discharge is generated between the force source electrode (evaporation source) and the anode electrode on each of the left and right sides in the drawing, and a composite nitride of A1 and Ti is formed on the surface of the carbide substrate.
- a layer [hereinafter referred to as (Al / Ti) N] layer is formed, in the resulting (Al / Ti) N layer, the cemented carbide substrate arranged in a ring on a turntable has the above-mentioned one side.
- the highest A1 content point is formed in the layer at the point of closest approach to the power source electrode (evaporation source) of the A1-Ti alloy, which has a relatively high A1 content (low Ti content).
- the Ti content is relatively high, the (A1 content is low), and the Ti-A1 alloy is closest to the force source electrode, the highest Ti content point is formed in the layer, Due to the rotation of the rotary table, the A1 maximum content point and the Ti maximum content point alternate in the layer at a predetermined interval along the layer thickness direction. It has a composition change structure in which the Al and Ti contents continuously change from the highest A1 content point to the highest Ti content point, and from the highest Ti content point to the highest Al content point. .
- the A1 content in the A1-Ti alloy which is the force source electrode (evaporation source) on one side of the opposed arrangement
- the Ti content in the Ti-A1 alloy, which is the force source electrode (evaporation source) on the other side is set to be relatively higher than the A1 content in the conventional Ti-A1 alloy. In addition to making it relatively high compared to the Ti content of the alloy, controlling the rotation speed of the turntable on which the carbide substrate is mounted,
- composition formula (Al Ti) N (where X is 0.05—0.3
- the highest Ti content point is determined by the composition formula: (Ti Al) N (However, in atomic ratio, Y is 0.05-0.3.
- the thickness between the A1 maximum content point and the Ti maximum content point adjacent to each other in the thickness direction is 0.01-0.1 x m
- the Al content is relatively higher in the above-mentioned A1 maximum content part compared to the conventional (Ti, A1) N layer, it shows higher high-temperature hardness and heat resistance (high-temperature characteristics),
- the Ti content is relatively higher in the above-mentioned Ti highest content portion than in the conventional (Ti, A1) N layer, the Ti content is higher and the A1 highest content is higher.
- Ti is higher since the interval between the dots is extremely small, the layer as a whole has excellent high-temperature hardness and heat resistance while maintaining excellent high-temperature strength.
- a force source electrode is a Ti target magnetron sputtering apparatus, and a force source electrode (evaporation source).
- the source is mounted on a rotary table of a vapor deposition system equipped with a magnetron sputtering system for a WC target in an opposed arrangement, and the above-mentioned carbide substrate having the lower layer formed thereon is rotated.
- the cemented carbide substrate itself is also rotated, and a magnetic field is formed by an electromagnetic coil to reduce the magnetic flux density at the mounting portion of the cemented carbide substrate.
- a magnetic field is formed by an electromagnetic coil to reduce the magnetic flux density at the mounting portion of the cemented carbide substrate.
- Hydrocarbons such as H, nitrogen and Ar, preferably C H flow rate: 25 100sccm, nitrogen flow rate:
- reaction atmosphere is, for example, 1 Pa of a decomposed gas of CH and a mixed gas of nitrogen and Ar.
- the power source electrode (evaporation source) of the WC target of the sputtering device has, for example, a sputtering power of 13 kW (frequency: 40 kHz), and the Ti target has a power of, for example, 3 to 8 kW (frequency: 40 kHz).
- the amorphous carbon-based lubricating layer (upper layer) is formed under the condition that the sputtering power is simultaneously applied, the resulting amorphous carbon-based lubricating layer is observed for its structure with a transmission electron microscope. As shown in the schematic diagram in Fig.
- fine particles of crystalline titanium carbonitride-based compound were placed on the base of the carbon-based amorphous body containing W component [hereinafter, "crystalline Ti (C, N) -based compound fine particles” Has an organization that is distributed and distributed.
- Nitrogen 0.5 30 atomic%
- the balance being composed of carbon and unavoidable impurities.
- the formed amorphous carbon-based lubricating layer has an effect of the W component contained in the base material, an effect of dispersing and dispersing the crystalline Ti (C, N) -based fine particles, and an effect of forming the magnetic field by the electromagnetic coil.
- the high-temperature strength is remarkably improved by the grain refining effect.
- (E) A coated carbide layer formed by vapor deposition of a (Al / Ti) N layer having the composition change structure in the lower layer and a surface coating layer in which the upper layer is formed of an amorphous carbon-based lubricating layer.
- the tool has excellent high-temperature hardness and heat resistance even in high-speed heavy cutting of the above-mentioned non-ferrous materials and other materials with high heat generation and high mechanical impact, especially in the case of high-temperature hard tools.
- the amorphous carbon-based lubricating layer which has superior high-temperature strength and the upper layer, also has excellent high-temperature strength, so that the surface coating layer has excellent abrasion resistance without generation of chipping. To be able to demonstrate their sexuality over a long period of time.
- the present invention has been made based on the results of the above research, and has the following features:
- the lower layer has an average layer thickness of 1.5-10 ⁇ , and the A1 maximum content point and the Ti maximum content point are alternately repeated at predetermined intervals along the thickness direction. Having a component concentration distribution structure in which the A1 and Ti contents are continuously changed from the A1 highest content point to the Ti highest content point, and the Ti highest content point to the A1 highest content point, respectively.
- the highest A1 content point is determined by the composition formula: (Al Ti) N (where X is 0.0
- the highest Ti content point is determined by the composition formula: (Ti Al) N (however, in atomic ratio,
- the upper layer has an average layer thickness of 110 to 10 zm, and uses a WC target and a Ti target as a power source electrode (evaporation source) with a magnetron sputtering device, and decomposes hydrocarbons.
- a film is formed in a magnetic field in a reaction atmosphere composed of a mixed gas of gas, nitrogen, and Ar, and measured by an O.D.
- coated carbide tools that are formed by vapor deposition of the surface coating layer composed of (a) and (b) above, and in which the surface coating layer exhibits excellent chipping resistance especially in high-speed heavy cutting. It is.
- the A1 component in the (AlZTi) N layer which is the lower layer, improves high-temperature hardness and heat resistance, and the Ti component has an effect of improving high-temperature strength. Therefore, the content of the A1 component is relatively high, and A1 is the highest. At the content point, the steel has more excellent high-temperature hardness and heat resistance, and exhibits excellent wear resistance under high-speed cutting conditions accompanied by high heat generation.
- the ratio (atomic ratio) of the total amount to A is less than 0.05, the proportion of A1 becomes relatively too large, and even if the highest Ti content point with excellent high-temperature strength exists adjacent to the A decrease in the strength of the steel itself is inevitable, and as a result, chipping and the like are likely to occur under high-speed heavy cutting conditions.
- the X value indicating the ratio of the component exceeds 0.35, the ratio of A1 is relatively high. Too low to ensure the desired high-temperature hardness and heat resistance
- the power to do it The power to stop with S, the X-Nao is set to 0.05-5.35.
- the A1 maximum content point is excellent in high-temperature hardness and heat resistance, but is inferior in high-temperature strength.
- High content ratio This results in excellent high-temperature strength.
- the highest Ti content points are alternately interposed in the thickness direction.
- the Y value indicating the ratio of A1 is the total amount with Ti. If the ratio (atomic ratio) of the element exceeds 0.35, the proportion of A1 becomes relatively large, and the desired high-temperature strength cannot be secured. If it is less than 0.05, the proportion of Ti becomes relatively too large, and it becomes impossible to provide the desired high-temperature hardness and heat resistance at the highest Ti content point, and this is a factor that promotes the progress of wear. Therefore, Yi Nao was determined to be 0.05-0.35.
- the distance is less than 0.01 ⁇ m, it is difficult to clearly define each point with the above composition, and as a result, the desired high-temperature strength and excellent high-temperature hardness and heat resistance of the layer are secured.
- the interval exceeds 0.1 lxm, the disadvantages of each point are: Insufficient high-temperature strength at the highest A1 content point, insufficient high-temperature hardness and heat resistance at the highest Ti content point Is locally present in the layer, which causes chipping to occur easily on the cutting edge and promotes abrasion. Therefore, the interval is set to 0.01 to 0.1xm.
- the layer thickness is less than 1.5 ⁇ , the desired wear resistance cannot be ensured for a long period of time, while if the average layer thickness exceeds 10 ⁇ , chipping tends to occur.
- the average layer thickness was determined to be 1.5- ⁇ .
- the W component is contained in the base material of the above-mentioned amorphous carbon-based lubricating layer, and has an effect of improving the high-temperature strength of the layer. However, if the content is less than 5 atomic%, desired excellent high-temperature strength is ensured. However, if the content exceeds 40 atomic%, the lubricating properties will rapidly decrease, so the content was determined to be 5-40 atomic%.
- the Ti component, the N component, and the C (carbon) component combine under magnetic field film formation and exist as fine particles of crystalline Ti (C, N) -based compounds in the coating film, and provide the excellent lubricity of the layer. It has the effect of significantly improving the high-temperature strength without impairing it. However, if its content is less than 0.5 atomic% for the Ti component and less than 0.5 atomic% for the N component, Ti (C, N) -based Since the content of fine particles is small, it is not possible to secure the desired excellent high-temperature strength. On the other hand, if the content exceeds 30 atomic% for the Ti component and 30 atomic% for the N component, the high-temperature hardness and Lubrication Since the properties suddenly decrease, the content of each should be Ti: 0.5-30 atomic%.
- N 0.5-30 atomic%.
- the average layer thickness is less than 1 ⁇ m , the desired lubricating effect cannot be ensured over a long period of time, while if the average layer thickness exceeds 10 zm, chipping tends to occur on the cutting edge. Therefore, the average layer thickness was determined to be 11 to 10 ⁇ m.
- the coated cemented carbide tool of the present invention comprises a lower layer (hard layer) and an upper layer (amorphous carbon-based) on a WC-based cemented carbide substrate or a titanium carbonitride-based cermet substrate surface. (A lubricating layer).
- TiN, TiCN, and TiAIN in the lower layer provide excellent adhesion to the substrate, high-temperature hardness, heat resistance, and high-temperature strength.
- the fine particle diameter of the crystalline Ti (C, N) -based compound and the crystalline (Ti, Al) (C, ⁇ ) -based compound dispersed and distributed in the upper layer is preferably 40 nm or less. When the particle size is 40 nm or more, the wear resistance of the entire upper layer deteriorates.
- the lower layer exhibits excellent high-temperature hardness, heat resistance, and high-temperature strength in high-speed cutting and high-speed heavy cutting with high heat generation and mechanical impact
- the upper layer amorphous
- the high-quality carbon-based lubricating layer also exhibits excellent lubricity, wear resistance and high-temperature stability by containing fine crystals of the lower layer component.
- the hardness of the lubricating amorphous carbon-based coating constituting the tool becomes ultrafine by magnetic field deposition on the base material of the carbon-based amorphous body.
- Dispersion distribution by state Crystalline Ti (C, N) -based compound fine particles greatly improved, combined with the fact that the base material of the carbon-based amorphous material had high strength by the action of the W component, High-speed cutting of various steel materials such as steel and iron, as well as A1 alloys and Cu alloys, etc., exhibit excellent wear resistance without chipping over a long period of time.
- the wear resistance of the lubricating amorphous carbon-based coating constituting the tool becomes ultra-fine due to the magnetic field film formation on the carbon-based amorphous body.
- Crystalline (Ti, Al) (C, N) -based compound fine particles that are dispersed and distributed in a state are significantly improved, and the carbon-based amorphous body has a high strength by the action of the W component.
- the (AlZTi) N layer of the lower layer constituting the surface coating layer has excellent high-temperature hardness and heat resistance, and further excellent high-temperature strength, and has the same upper layer as the non-coated layer.
- the crystalline carbon-based lubricating layer has the effect of the W component contained in the carbon-based amorphous body and the crystalline T i ( Due to the action of the (C, N) -based compound fine particles and the crystalline (Ti, Al) (C, N) -based compound fine particles, they have an even higher temperature strength, so that particularly high heat generation and Even in high-speed heavy cutting of the above-mentioned non-ferrous materials with high mechanical impact, it can exhibit excellent wear resistance over a long period without chipping on the surface coating layer.
- FIG. 1A shows a transmission electron microscope using a lubricating amorphous carbon-based coating (including fine particles of a crystalline Ti (C, N) compound) constituting the coated carbide tool of the present invention.
- FIG. 3 is a schematic diagram showing the results of tissue observation.
- FIG. 1B shows a transmission type of a lubricating amorphous carbon-based coating (including fine particles of crystalline (Ti, Al) (C, N) -based compounds) constituting the coated cemented carbide tool of the present invention.
- FIG. 3 is a schematic view showing the result of observation of a structure using an electron microscope.
- FIG. 2A is a schematic plan view showing a vapor deposition device used for forming an adhesion bonding layer and a lubricating amorphous carbon-based film constituting the coated carbide tool of the present invention.
- FIG. 2B is a schematic front view of the vapor deposition apparatus shown in FIG. 2A.
- FIG. 3A is a schematic plan view showing a vapor deposition device used for forming an adhesion bonding layer and a lubricating amorphous carbon-based film constituting the coated carbide tool of the present invention.
- FIG. 3B is a schematic front view of the vapor deposition device shown in FIG. 2A.
- FIG. 4A is a schematic plan view of an arc ion plating apparatus used for forming an (AlZTi) N layer which is a lower layer of a surface coating layer of the coated carbide tool of the present invention.
- FIG. 4B is a schematic front view of the arc ion plating apparatus shown in FIG. 4A.
- FIG. 5A is a schematic plan view of a vapor deposition device used to form an adhesion bonding layer and a lubricating amorphous carbon-based coating that constitute a conventional coated carbide tool (a comparative coated carbide tool). is there
- FIG. 5B is a schematic front view of the vapor deposition device shown in FIG. 5A.
- FIG. 6 shows a vapor deposition apparatus used for forming a (Ti, A1) N layer which is a lower layer of a surface coating layer of a conventional coated carbide tool and an amorphous carbon-based lubricating layer which is an upper layer.
- a vapor deposition apparatus used for forming a (Ti, A1) N layer which is a lower layer of a surface coating layer of a conventional coated carbide tool and an amorphous carbon-based lubricating layer which is an upper layer.
- coated carbide tool of the present invention will be specifically described with reference to examples.
- WC powder, TiC powder, VC powder, TaC powder, NbC powder, Cr C powder, and Co powder having an average particle diameter of 0.83 ⁇ m were prepared.
- the raw material powder was blended in the composition shown in Table 1, wet-mixed for 84 hours with a ball mill, dried, pressed into a green compact at a pressure of 100 MPa, and the green compact was pressed in a vacuum of 6 Pa.
- the carbide substrate material for cutting carbon steel is subjected to a HOING process of R: 0.03 on a cutting edge portion to form a carbide substrate A-1—A-10 having a tip shape of ISO standard TNMG160408, and
- the cemented carbide substrate material for cutting A1 alloy and Cu alloy is polished to ISO standard ⁇ ⁇ Cemented carbide substrate with GX160304R chip shape ⁇ —: ⁇ One A—10.
- TiCN having an average particle size of 0.5 to 2 ⁇ m (by mass ratio) was used.
- the mixture was wet-mixed in a ball mill for 84 hours, dried, and pressed into a green compact at a pressure of 100MPa. This green compact was maintained at 1500 ° C for 1 hour in a 2kPa nitrogen atmosphere.
- Carbide substrate material for cutting carbon steel consisting of TiCN-based cermet and carbide substrate material for cutting A1 alloy and Cu alloy.
- the cutting edge is subjected to a honing process of R: 0.03 to form a cemented carbide substrate B-1 B-6 with a tip shape of ISO standard 'TNMG16 0408'.
- the hard substrate material was polished to give a carbide substrate ⁇ - -B-6 f with a chip shape of ISO standard ⁇ 160304 ⁇ .
- a Ti—A1 electrode having a predetermined composition is used as a force source electrode (evaporation source) of a magnetron sputtering apparatus for forming an adhesion bonding layer having a (Ti, A1) N layer strength.
- a glow discharge under the condition of applying a bias voltage, the surface of the cemented carbide substrate is bonded to the surface of the TiN layer and the TiCN layer having the target layer thickness shown in Table 3, or both.
- the condition applied to the electromagnetic coil is a predetermined value in a range of voltage: 50 100 V, current: 10 20 A, and the magnetic flux density in the mounting portion of the carbide substrate is 100 300 G (Gauss).
- the heating temperature in the vapor deposition apparatus is 400 ° C., and the bias voltage of the superhard substrate is kept at 100 V, and CH (hydrocarbon) is used as a reaction gas in the vapor deposition apparatus.
- Osccm, Ar flow rate Introduced at a predetermined flow rate within the range of 150-250sccm, the reaction atmosphere was 1 Pa of a decomposition gas of CH and a mixed gas of nitrogen and Ar, and both magnetrons were used.
- the power source electrode (evaporation source) of the WC target of the sputtering device has a predetermined sputtering power in the range of, for example, 13 kW (frequency: 40 kHz), and the Ti target has a power of 318 kW (frequency : 40 kHz) under the condition that a predetermined sputtering power within the range was applied simultaneously, and a lubricating amorphous carbon-based film having the target composition and the target layer thickness shown in Table 3 was also formed by vapor deposition to obtain the coating of the present invention.
- Slow-away tips made of the surface-coated cemented carbide of the present invention hereinafter, referred to as the coated carbide tips of the present invention 1, -26, and 2Q 'as hard tools were produced.
- the carbide substrate A- 1, V one A_10, ics and B_L, a V one B- 6, 6 r Noso respectively, was subjected to ultrasonic cleaning in acetone, in a dry state, 3A, and 3B
- a plurality of carbide substrates were mounted in a ring shape at a position separated from the central axis by a predetermined distance in the radial direction, and the cathode electrode (
- a Ti-A1 alloy target having a predetermined composition is arranged, and on the opposite side, a C target with a purity of 99.6 mass% is arranged as a power source electrode (evaporation source) of a magnetron sputtering apparatus.
- a TiN layer and A Ti target with a purity of 99.9% by mass was placed as a power source electrode (evaporation source) of a magnetron sputtering device for forming an adhesion bonding layer consisting of one or both of the TiCN layers.
- a glow discharge under the condition that a bias voltage is applied, an adhesion bonding layer composed of one or both of a TiN layer and a TiCN layer having a target layer thickness shown in Table 3 is formed on the surface of the cemented carbide substrate.
- condition applied to the electromagnetic coil is a predetermined value within a range of voltage: 50-100 V and current: 10-20 A, and the magnetic flux density at the mounting portion of the carbide substrate is set to 100-30 G ( Gauss), the heating temperature in the vapor deposition apparatus is 400 ° C., and the bias voltage of the cemented carbide substrate is kept at 170 V. Hydrogen), nitrogen and Ar, CH flow: 25 100sccm, nitrogen flow: 200-300
- the power source electrode (evaporation source) of the WC target of the puttering device has, for example, a predetermined sputtering power within the range of 13 kW (frequency: 40 kHz).
- Output Under conditions where a predetermined sputtering power within the range of 3 to 8 kW (frequency: 40 kHz) is applied simultaneously, a lubricating amorphous carbon-based film having the target composition and target layer thickness shown in Table 4 is formed by vapor deposition.
- the surfaces of the above-mentioned super-hard substrates A—1, 1′-A-10, 10 r and B_l, 1′-B-6, 6 r were ultrasonically cleaned in acetone
- a plurality of carbide substrates are mounted in a ring shape at a position radially away from the central axis by a predetermined distance
- a sputtering power of 12 kW (frequency: 40 kHz) is applied to the sword electrode (evaporation source) of the get, while a glow discharge is generated to the carbide substrate under the condition that a bias voltage of -100 V is applied.
- an adhesion bonding layer composed of one or both of a TiN layer and a TiCN layer having a target layer thickness shown in Tables 5 and 6 is formed on the surface of the cemented carbide substrate,
- the bias voltage to be applied is set to 20V and output to the power source electrode (evaporation source) of the WC target.
- the lubricating property of the target composition and target layer thickness shown in Tables 5 and 6 is also applied on the above-mentioned adhesion bonding layer.
- conventional coating comparison table surface coating cemented carbide throw ⁇ way chip corresponding to carbide tools hereinafter, referred to as comparative coated carbide inserts
- a dry high-speed cutting test (normal cutting speed was 200 mZmin.) Of Cu alloy was performed under the following conditions. In each cutting test, the flank wear width of the cutting edge was measured. This measurement The results are shown in Table 3-6.
- Adhesive bonding layer Wang lied over amorphous «» Steam coating Flank wear ⁇ (iwr Carbide Oki mark ⁇ Mark%) mm
- Target composition (Yoshi%) Target Cki alloy Instantaneous thickness High speed
- medium coarse WC powder with average particle size 4. Fine particles of 0.8 zm
- Ratio, TiC / WC 50/50 powder, and the 1.
- these super-hard substrates (end mills) C-1 and C-8 were ultrasonically cleaned in acetone, dried, and then deposited as shown in FIGS. 2A and 2B or FIGS. 3A and 3B. It was charged into the apparatus, and under the same conditions as in Example 1 above, either or both of the TiN layer and the TiCN layer having the target layer thicknesses shown in Tables 8 and 9, and the target composition also shown in Tables 8 and 9 And by forming a lubricating amorphous carbon-based coating having a target layer thickness by vapor deposition, an end mill made of the surface-coated cemented carbide of the present invention as the coated carbide tool of the present invention (hereinafter, referred to as the coated carbide end mill of the present invention) 1 to 19 were manufactured respectively.
- the above-mentioned super-hard substrate (end mill) C-1-1 C-8 was ultrasonically cleaned in acetone and dried, and then the vapor deposition apparatus shown in Figs. 5A and 5B. And under the same conditions as in Example 1 above, either or both of the TiN layer and the TiCN layer having the target layer thickness shown in Table 10, and the target composition and the target layer also shown in Table 10 Thick lubricity
- the end mill made of a comparative surface-coated cemented carbide equivalent to a conventional coated carbide tool (hereinafter referred to as a comparative coated carbide end mill) Each was manufactured.
- Work material Plane dimensions: lOOmm X 250mm, thickness: 50mm, JIS A5052 plate material, Cutting speed: 300m / min.,
- Work material Plane dimensions: 100mm X 250mm, thickness: 50mm JIS-C3710 plate material, Cutting speed: 300m / min.,
- High-speed side cutting test (normal cutting speed is 180m / min.) Of Cu alloy under the conditions of (1), coated carbide end mills (7, 8) of the present invention and comparative coated carbide end mills (7, 8, 11, 18, 19) about,
- Work material Plane dimensions: 100mm X 250mm, thickness: 50mm JIS ⁇ S 10C plate material, Cutting speed: 350m / min.,
- Example 2 The diameter produced in Example 2 above was 8 mm (for forming a cemented carbide substrate C-1-1 C-3), 13 mm
- the diameter X length of the groove forming part is 4mm X 13mm (Carbide substrate D-1-1D-3), 8mm X 22mm (Carbide substrate D-4-D_6) D-8 and D-8, each with dimensions of 16mm X 45mm (Carbide substrate D_7, D-8) and a two-flute shape with a helix angle of 30 ° were manufactured. .
- the cutting edges of these super-hard substrates (drills) D-1 to D-8 were honed, ultrasonically cleaned in acetone, and dried, and the same as in FIGS. 2A and 2B or FIG. 3A and 3B, and under the same conditions as in Example 1 above, either or both of the TiN layer and the TiCN layer having the target layer thicknesses shown in Tables 11 and 12, and the same table as above.
- a drill made of the surface-coated cemented carbide of the present invention as a coated carbide tool of the present invention hereinafter, referred to as The present invention is called coated carbide drills).
- the cutting edge of the above-mentioned carbide substrate (drill) D-1 D-8 was subjected to hoeing, ultrasonically washed in acetone, and dried, and similarly, FIG. 5B, and under the same conditions as in Example 1 above, one or both of the TiN layer and the TiCN layer having the target layer thickness shown in Table 13, and also shown in Table 13.
- a comparative surface coated cemented carbide drill equivalent to a conventional coated carbide tool hereinafter referred to as a comparative coated carbide drill
- coated carbide drills of the present invention 1 1 1 1 and comparative coated carbide drills 1 to 8, of the present invention, coated carbide drills 1, 3, 9, 12 14 and comparative coated carbide drills 11 About 3
- Work material Plane dimensions: lOOmm X 250mm, thickness: 50mm, JIS .A5052 plate material, Cutting speed: 280m / min.,
- Work material Plane dimensions: 100mm X 250mm, thickness: 50mm JIS ⁇ S 10C plate material, Cutting speed: 250m / min.,
- Work material Plane dimensions: 100mm X 250mm, thickness: 50mm JIS-C3710 plate material, Cutting speed: 250m / min.,
- the coating as present invention coated carbide tool obtained carbide inserts 1 4 2, 42 r, the present invention coated cemented carbide end mill 1 19, and the present invention coated cemented carbide drills 1 19 and conventional coated Comparative coating hard tip 1 -16 which corresponds to carbide tools, 16 r, the lubricity amorphous carbon-based coating film constituting compare coated cemented carbide end mill 1 8, and the comparison coating carbide drill 1 8, the composition was measured using an Auger spectrometer and the layer thickness was measured using a scanning electron microscope. As a result, the target composition and the target layer thickness were substantially the same and the average layer thickness (average value at five cross sections) was obtained.
- the coated carbide tool of the present invention showed crystalline Ti (CN) compound fine particles dispersed and distributed in the carbon-based amorphous body.
- the lubricating amorphous carbon-based film shows a structure in which crystalline Ti (CN) -based compound fine particles are dispersed and distributed on the carbon-based amorphous material base.
- All of the coated carbide tools of the present invention exhibit excellent wear resistance even when cutting A1 alloys, Cu alloys, and steel under high-speed conditions, but have low lubricity.
- Amorphous carbon-based coating force In a conventional coated carbide tool having a structure composed of a single phase of a carbon-based amorphous body (comparative coated carbide tool), the lubricating amorphous carbon-based coating It is evident that the wear progresses very quickly and the service life is reached in a relatively short time.
- Example 4 As raw material powders, WC powder, TiC powder, VC powder, TaC powder, NbC powder, Cr C powder, and Co powder having an average particle diameter of 0.7 to 3 ⁇ m were prepared. The powder was blended in the composition shown in Table 14, wet-mixed in a ball mill for 80 hours, dried, and then pressed into a green compact at a pressure of OOMPa, and the green compact was warmed in a vacuum of 6 Pa. Degree: Sintering at 1400 ° C for 1 hour to produce carbide substrate material for cutting carbon steel and carbide substrate material for cutting A1 alloy and Cu alloy, both made of WC-based cemented carbide.
- the above-mentioned carbide substrate material for carbon steel cutting is subjected to a honing process of R: 0.03 on the cutting edge to form a carbide substrate A—11 A—10 with a tip shape of ISO standard TNMG160408, and
- the carbide substrate material for cutting A1 alloy and Cu alloy is polished to a carbide with ISO standard ⁇ EGX160304R chip shape.
- ⁇ _1 'A-10' was the body ⁇ _1 'A-10'.
- WC powder, Co powder, and Ni powder are prepared, and these raw material powders are blended in the blending composition shown in Table 15, wet-mixed in a ball mill for 80 hours, dried, and then pressed at a pressure of OOMPa.
- This green compact is sintered in a 2kPa nitrogen atmosphere at a temperature of 1510 ° C for 1 hour, and the V and deviation are made of TiCN-based cermet for cutting carbon steel.
- the base material and the carbide substrate material for cutting A1 alloy and Cu alloy are manufactured.
- the carbide substrate material for cutting carbon steel is subjected to Houng processing of R: 0.03 on the cutting edge, and the ISO standard 'TNMG16 0408 Carbide substrate B-1—B-6 with a chip shape of A1 and the A1 alloy and the carbide substrate for Cu alloy cutting were polished. It was cemented carbide substrate B- with a chip shape of ISO standard 'TEGX160304R Te.
- FIG A plurality of carbide substrates are mounted in a ring shape on the rotary table shown in 2A and 2B at a predetermined distance in the radial direction from the central axis of the rotary table, and the force of the magnetron sputtering device on one side is set.
- a Ti target with a purity of 99.6% by mass is placed as a source electrode (evaporation source), and a WC target with a purity of 99.6% by mass is placed on the opposite side as a power electrode of a magnetron sputtering device (evaporation source). I do.
- a Ti A1 alloy target having a predetermined composition is arranged on the side orthogonal to the two force source electrodes.
- condition applied to the electromagnetic coil is a predetermined value within a range of voltage: 50-100 V and current: 10-20 A, and the magnetic flux density at the mounting portion of the carbide substrate is set to 100-30 G ( Gauss), the heating temperature in the vapor deposition apparatus is 400 ° C., and the bias voltage of the superhard substrate is 100 V.
- Osccm, Ar flow rate Introduced at a predetermined flow rate within the range of 150-250 sccm, the reaction atmosphere was 1 Pa of CH decomposed gas, a mixed gas of nitrogen and Ar, and both magnetrons were used.
- the power source electrode (evaporation source) of the WC target of the sputtering device has a predetermined sputtering power in the range of, for example, 13 kW (frequency: 40 kHz), and the Ti target has a power of 318 kW (frequency : 40 kHz) under the condition that a predetermined sputtering power within the range was applied simultaneously, by vapor-depositing a lubricating amorphous carbon-based coating having a target composition and a target layer thickness also shown in Table 16, thereby forming the coating of the present invention.
- the present invention surface-coated cemented carbide throwaway tip as a cemented carbide tool (hereinafter referred to as the invention-coated cemented carbide tip) 1,-26, 26 ' Each was manufactured.
- each of the above-mentioned carbide substrates A_l, V-A_10, 10 'and B_l, ⁇ ' -'_ 6, 6 ' was ultrasonically cleaned in acetone and dried, as shown in FIGS. 3A and 3B.
- a rotary table of a vapor deposition device On a rotary table of a vapor deposition device, a plurality of carbide substrates are mounted in a ring shape at a predetermined radial distance from the center axis of the rotary table, and a cathode electrode (evaporation source) of a magnetron sputter bedding device on one side is mounted.
- a Ti-A1 alloy target with a predetermined composition is placed, and a C target with a purity of 99.6 mass% is placed on the opposite side as a power source electrode (evaporation source) of a magnetron sputtering device.
- a power source electrode (evaporation source) of a magnetron sputtering apparatus for forming an adhesion bonding layer composed of one or both of a TiN layer and a TiCN layer was used. 9% by mass Ti target
- a glow discharge is generated under the condition that a bias voltage of -70 V is applied, so that the target composition and target layer thickness (Ti, Al) shown in Tables 16 and 17 are formed on the surface of the cemented carbide substrate.
- Ti, Al target layer thickness
- the condition applied to the electromagnetic coil is a predetermined value in a range of voltage: 50 100 V, current: 10 20 A, and the magnetic flux density in the mounting portion of the carbide substrate is 100 300 G (Gauss).
- the heating temperature in the vapor deposition apparatus is set to 400 ° C., and the bias voltage of the super-hard substrate is kept at 170 V, and the reaction gas is supplied as a reaction gas in the vapor deposition apparatus.
- CH hydrocarbon
- nitrogen and Ar CH flow rate: 25-100sccm
- nitrogen flow rate 200-300
- the power source electrode (evaporation source) of the WC target of the puttering device has, for example, a predetermined sputtering power within a range of 11 to 3 kW (frequency: 40 kHz).
- a predetermined sputtering power within the range of 8 kW (frequency: 40 kHz) is applied simultaneously, a lubricating amorphous carbon-based film having the target composition and target layer thickness shown in Table 17 is also formed by vapor deposition.
- a throw-away insert 27, 27'-42, 42 'made of a surface-coated carbide alloy of the present invention as a coated carbide tool of the present invention (hereinafter, referred to as a coated carbide chip of the present invention) was manufactured.
- the surfaces of the above-mentioned super-hard substrates A—1, 1′-A-10, 10 r and B_l, 1′-one B-6, 6 r were ultrasonically cleaned in acetone
- a plurality of carbide substrates are mounted in a ring shape at a position radially away from the central axis by a predetermined distance
- the applied bias voltage is -20V
- the power supply electrode (evaporation source) of the WC target is applied with a predetermined sputter power within the range of 416kW (frequency: 40kHz).
- a lubricating amorphous carbon-based coating with the target composition and target layer thickness also shown in Table 18 was deposited to form a comparative surface coated cemented carbide throwaway equivalent to a conventional coated carbide tool. Chips (hereinafter referred to as comparative coated carbide tips) 1, 1 ′ 1, 16 and 16 r were manufactured.
- Cutting condition A High-speed cutting test (normal cutting speed is 120m / min.) Of carbon steel under the following conditions (referred to as cutting condition A),
- cutting condition B High-speed cutting test of A1 alloy under the conditions (referred to as cutting condition B) (normal cutting speed is 400m / min.)
- a dry high-speed cutting test (normal cutting speed was 200 m / min.) Of the Cu alloy was performed under the following conditions (cutting conditions C and d). In each cutting test, the flank wear width of the cutting edge was measured. The measurement results are shown in Tables 16-18.
- these super-hard substrates (end mills) C-11 and C-8 were ultrasonically cleaned in acetone, dried, and then deposited as shown in Figs. 2A and 2B or Figs. 3A and 3B.
- the (Ti, A1) N layer having the target composition and the target layer thickness shown in Tables 20 and 21 and the target composition and Lubricity of target layer thickness An end mill made of a surface-coated cemented carbide of the present invention as a coated carbide tool of the present invention (hereinafter, referred to as a coated carbide end mill of the present invention) by vapor-depositing and forming an amorphous carbon-based coating. 19 were manufactured respectively.
- the above-described super-hard substrate (end mill) C-1-1 C-8 was ultrasonically cleaned in acetone and dried, and then the vapor deposition apparatus shown in Figs. 5A and 5B. And a TiN layer having a target layer thickness shown in Table 22 and a lubricating amorphous carbon-based coating having a target composition and a target layer thickness also shown in Table 22 under the same conditions as in Example 4 above.
- end mills made of comparative surface-coated cemented carbide (hereinafter referred to as comparative coated carbide end mills) 18 corresponding to conventional coated carbide tools were manufactured.
- Work material Plane dimensions: lOOmm X 250mm, thickness: 50mm, JIS .A5052 plate material, Cutting speed: 320m / min.,
- Work material Plane dimensions: 100mm X 250mm, thickness: 50mm, JIS 'C3710 plate material, Cutting speed: 320m / min.,
- Work material Plane dimensions: 100mm X 250mm, thickness: 50mm JIS ⁇ S 10C plate material, Cutting speed: 365m / min.,
- Axial depth of cut 8.0mm
- the diameters produced in Example 5 above were 8 mm (for forming the cemented carbide substrate C-11-C3), 13 mm (for forming the cemented carbide substrate C4-1-C16), and 26 mm (for forming the cemented carbide substrate C1-1-6).
- the base material for forming C-17 and C-18) was used, and the diameter X length of the groove forming part was 4mm each by grinding from these three types of round rod sintered bodies.
- the cutting edge of the carbide substrate (drill) D-1 D-8 was subjected to hoeung, ultrasonically cleaned in acetone, and dried, and then, similarly to Figs. 2A, 2B or 3A and 3B, and under the same conditions as in Example 4 above, the target composition and the target thickness (Ti, A1) N layer shown in Tables 23 and 24, and By depositing a film of a lubricating carbon-based amorphous material having the target composition and target layer thickness shown in 23 and 24, the surface-coated cemented carbide drill as the coated carbide tool of the present invention is formed. (Hereinafter referred to as the coated carbide drill of the present invention).
- Work material Plane dimensions: 100mm X 250mm, thickness: 50mm, JIS A5052 plate material, cutting speed: 290m / min.,
- Work material Plane dimensions: 100mm X 250mm, thickness: 50mm, JIS 'C3710 plate material, Cutting speed: 265m / min.,
- the coated carbide tool of the present invention was found to be a carbon-based amorphous body.
- Figure 12 shows a structure in which crystalline Ti-A1 (C, N) fine particles are dispersed and distributed.
- Serial conventional coating cemented carbide tools were shown the organization of a single phase of the carbon-based amorphous substance.
- the lubricating amorphous carbon-based coating showed that the crystalline Ti-A1-based (C, N) fine particles were dispersed and distributed on the carbon-based amorphous body.
- the coated carbide tools of the present invention which have a microstructure, exhibit excellent wear resistance even when cutting A1 alloys, Cu alloys, and steel at high speeds, while maintaining lubrication.
- WC powder, TiC powder, ZrC powder, VC powder, TaC powder, NbC powder, CrC powder, TiN powder, TaN powder, each having an average particle diameter of 13 ⁇ m, And Co powder were prepared, and the raw material powders were blended in the composition shown in Table 26, wet-mixed in a ball mill for 60 hours, dried, and then pressed into a green compact at a pressure of 100MPa.
- the powder is sintered in a vacuum of 6 Pa at a temperature of 1400 ° C for 1 hour, and after sintering, it is polished and made of a WC-based cemented carbide with a tip shape of ISO standard 'TEGX160304R'.
- a carbide substrate A-1—A-10 was formed.
- MoC powder MoC powder
- ZrC powder NbC powder
- TaC having an average particle diameter of 0.5-2 / im Powder
- WC powder Co powder
- Ni powder Ni powder
- these raw material powders are blended in the blending composition shown in Table 27, wet-mixed for 48 hours with a ball mill, dried, and then pressed at a pressure of lOOMPa.
- the green compact is pressed and sintered in a 2 kPa nitrogen atmosphere at a temperature of 1500 ° C for 1 hour, and after sintering, it is polished to form a chip conforming to ISO Standard 'TEGX160304R.
- a TiCN-based cemented carbide substrate B-1-1B-6 was formed.
- an arc ion plating apparatus shown in FIGS. 4A and 4B that is, a rotary table for mounting a carbide substrate is provided at the center of the apparatus, and the rotary table is sandwiched between the rotary table and one side relatively.
- A1-Ti alloy with high A1 content and Ti-A1 alloy with relatively high Ti content on the other side were installed as power source electrodes (evaporation sources), and rotated 90 degrees with respect to both cathode electrodes.
- each of the above-mentioned carbide substrates A-1-1 A-10 and B-1-B-6 in acetone After being ultrasonically cleaned and dried, it is mounted along the outer periphery at a position radially away from the central axis on the rotary table in the vapor deposition apparatus by a predetermined distance.
- the A1 maximum content point and the Ti maximum content point of the target composition shown in Tables 28 and 29 alternately exist at the target intervals shown in Tables 28 and 29, and the Ti maximum value from the A1 maximum content point.
- Content point, from the highest Ti content point to the highest A1 content point, has a composition change structure in which the A1 and Ti content continuously change, respectively, and also has the target layer thickness shown in Tables 28 and 29.
- (Al / Ti) N layer is deposited and formed as a lower layer of the surface coating layer,
- a Ti target with a purity of 99.9% by mass was used as the power source electrode (evaporation source) of the vapor deposition device shown in Figs. 2A and 2B, ie, the magnetron sputtering device on one side, and the magnetron on the other side.
- a power source electrode (evaporation source) for the sputtering device use a vapor deposition device in which a WC target with a purity of 99.6% by mass is placed opposite to a rotary table, and the center of this is placed on a rotary table in the device.
- the above-mentioned cemented carbide substrate on which the lower layer is formed is mounted in a ring shape at a position radially away from the axis by a predetermined distance,
- the magnetic flux density at the mounting portion of the above-described carbide substrate on which the lower layer is formed is 100 to 300 G. (Gauss)
- a heating temperature in the vapor deposition apparatus is 400 ° C.
- a bias voltage of ⁇ 100 V is applied to the carbide substrate, while a reactive gas is contained in the vapor deposition apparatus.
- CH hydrogen
- nitrogen and Ar CH flow rate: 25 100sccm
- Ar flow rate 300 sccm
- Ar flow rate 150 Introduced at a predetermined flow rate within the range of 250 sccm, the reaction atmosphere was changed to a mixed gas of lPa CH decomposition gas, nitrogen and Ar, and the two magnets.
- the power source electrode (evaporation source) of the WC target of the Ron sputtering device has a predetermined sputtering power within the range of 13 kW (frequency: 40 kHz), and the Ti target has a power output of 3 to 8 kW ( (Frequency: 40 kHz) under the condition that a predetermined sputtering power within the range was simultaneously applied.
- an amorphous carbon-based lubricating layer having a target composition and a target layer thickness also shown in Table 28 was vapor-deposited and formed as an upper layer. Throwaway chips (hereinafter, referred to as coated chips of the present invention) 1-26 were manufactured.
- the power source electrode (evaporation source) of the vapor deposition apparatus shown in FIGS. 3A and 3B that is, the magnetron sputtering bedding apparatus on one side, had a predetermined composition.
- the carbide substrate on which the lower layer was formed in the above (c) was mounted in a ring shape at a position radially away from the central axis of the table by a predetermined distance,
- the reaction atmosphere was 1 Pa of a decomposition gas of CH and a mixed gas of nitrogen and Ar, and both magnetron sputtering
- the power source electrode (evaporation source) of the WC target of the WC target has a predetermined sputter power within the range of 13 kW (frequency: 40 kHz).
- the Ti target has the output of 3-8 kW (frequency). : 40 kHz) under the conditions of simultaneously applying a predetermined sputtering power within the range, a lubricating amorphous carbon-based coating having a target composition and a target layer thickness shown in Table 29 is also formed by vapor deposition.
- the indexable inserts made of the surface-coated cemented carbide alloy of the present invention as cemented carbide tools (hereinafter referred to as the coated carbide tips of the present invention) 2742 were manufactured.
- the above-mentioned carbide substrates A-1-1 A-10 and B-1-B-6 were subjected to ultrasonic cleaning in acetone and dried, as shown in FIG.
- the vapor deposition device shown that is, an arc discharge device in which a Ti-A1 alloy having a predetermined composition is set as a power source electrode (evaporation source), and a sputtering device in which a WC target is set as a power source electrode (evaporation source)
- a vapor deposition device equipped with (b) First, while the inside of the apparatus is evacuated and kept at a vacuum of 0 lPa or less, the inside of the apparatus is heated to 500 ° C by a heater, and a DC bias voltage of -1000 V is applied to the carbide substrate, A current of 100 A is applied between the Ti A1 alloy of the force source electrode and the anode electrode to generate an arc discharge, and the surface of the carbide substrate is bombarded with the Ti-A1 alloy,
- the bias voltage applied to the layered carbide substrate was set to 20V, and the power source electrode (evaporation source) of the WC target was applied with a predetermined sputtering power within the range of 416kW (frequency: 40kHz).
- the comparative surface-coated cemented carbide equivalent to the conventional coated cemented carbide tool is formed.
- Each of the throwaway chips (hereinafter referred to as comparative coated carbide chips) 1-16 were manufactured.
- Carbide bases (end mills) C-11 and C-18 made of WC-based cemented carbide with each were manufactured. [0108] Next, the surface of these cemented carbide substrates (end mills) C-11 and C-18 was ultrasonically cleaned in acetone and dried, and the arc ion plating apparatus shown in Figs. 4A and 4B was also used. In the same conditions as in Example 7 above, the highest A1 content point and highest Ti content point of the target composition shown in Tables 32 and 33 are alternately shown in Table 7 along the layer thickness direction. A1 and Ti contents are present repeatedly at the target intervals and the A1 and Ti contents continuously change from the highest A1 content point to the highest Ti content point and from the highest Ti content point to the highest A1 content point.
- an (AlZTi) N layer having a target layer thickness shown in Tables 32 and 33 is formed by vapor deposition as a lower layer (hard layer) of the surface coating layer.
- it is charged into the vapor deposition apparatus shown in Figs. 3A and 3B, and the eyes shown in Tables 32 and 33 are also used.
- the surface-coated carbide end mill of the present invention as the coated carbide tool of the present invention hereinafter referred to as the coated end mill of the present invention) 1) 19 were manufactured respectively.
- the surface of the above-mentioned super-hard substrate (end mill) C-11 C18 was subjected to ultrasonic cleaning in acetone and dried, and then applied to a vapor deposition apparatus also shown in FIG.
- a (Ti, Al) N layer and an amorphous carbon-based lubricating layer having the target composition and target layer thickness also shown in Table 34 were respectively placed under the surface coating layer.
- a comparative surface-coated carbide end mill (hereinafter, referred to as a comparative coated end mill) 118 corresponding to a conventional coated carbide tool was produced by vapor deposition as a layer and an upper layer, respectively.
- Work material Plant dimensions: 100mm X 250mm, thickness: 50mm, JIS-A5052 plate material, Cutting speed: 205m / min.,
- the diameters produced in Example 8 above were 8 mm (for forming a cemented carbide substrate C1-C3), 13mm (for forming a cemented carbide substrate C-4-1 and C-6), and 26mm (for forming a cemented carbide substrate C-7, 3 types of round rod sintered bodies (for forming C-8), and from these three types of round rod sintered bodies, the diameter X length of the groove forming part was 4 mm X 13 mm (ultra-hard Substrate D-1-1 D-3), dimensions of 8mm x 22mm (carbide substrate D-4-D-6), and 16mm x 45mm (carbide substrate D_7, D-8), as well as torsion angles Carbide substrates (drills) D_1-D-8 each made of a WC-based cemented carbide having a two-edge shape of 30 degrees were manufactured.
- the cutting edge of the carbide substrate (drill) Dl-D-8 was honed, ultrasonically cleaned in acetone, and dried, as shown in Figs. 4A and 4B.
- the A1 maximum content point and the Ti maximum content point of the target composition shown in Tables 35 and 36 were alternately placed along the thickness direction under the same conditions as in Example 7 above. Repeatedly present at the target intervals shown in Tables 35 and 36, and the A1 and Ti contents are respectively continuous from the A1 maximum content point to the Ti maximum content point and from the Ti maximum content point to the A1 maximum content point, respectively.
- An (A1 / Ti) N layer having a composition changing structure and having a target layer thickness shown in Tables 35 and 36 is formed by vapor deposition as a lower layer (hard layer) of the surface coating layer. 2A or 2B or 3A or 3B, and By forming an amorphous carbon-based lubricating layer having the target composition and target layer thickness shown in 35 and 36 by vapor deposition as the upper layer, the surface-coated carbide drill of the present invention as a coated carbide tool of the present invention (hereinafter, referred to as Each of the coated drills of the present invention was manufactured.
- the surface of the above-mentioned carbide substrate (drill) D-11-D-8 was honed, ultrasonically cleaned in acetone, and dried, and also shown in FIG.
- the (Ti, Al) N layer and the amorphous carbon-based lubricating layer having the target composition and the target layer thickness also shown in Table 37 were charged into the vapor deposition apparatus shown in FIG.
- a comparative surface-coated carbide drill (hereinafter referred to as a comparative coated drill) 18 corresponding to a conventional coated carbide tool was produced by vapor deposition as the lower layer and the upper layer of the surface coating layer, respectively.
- the coated drills 1-3, 9, 12-14 and the comparative coated drills 13 of the present invention were prepared as follows.
- Work material Plant dimensions: 100mm X 250mm, thickness: 50mm, JIS 'A5052 plate material, Cutting speed: 115m / min.,
- Work material Plant dimensions: 100mm X 250mm, thickness: 50mm, JIS-C3710 plate material, Cutting speed: 110m / min.,
- Work material Plant dimensions: 100mm X 250mm, thickness: 50mm, JIS TP340H plate material, Cutting speed: 65m / min.,
- High-speed high-feed drilling test (normal cutting speed and feed rate of 40m / min. And 0.2mm / rev) of Ti alloy under the following conditions: i fl " r3 ⁇ 4 ⁇ 3 ⁇ 4r3 ⁇ 4
- the number of holes drilled until the flank wear width of the cutting edge of the tip reached 0.3 mm was also measured in the feed hole drilling test (using water-soluble cutting oil). Indicated.
- the coated carbide tip of the present invention obtained as a coated carbide tool of the present invention is obtained as a result, the coated carbide end mill is coated with the present invention, the coated carbide drill is coated with the present invention, and the conventional coated carbide tool is formed.
- the contents of the A1 and Ti components along the thickness direction were measured using an Auger spectrometer and the layer thickness was measured using a scanning electron microscope.
- the A1 maximum content point and the Ti maximum content point are alternately and repeatedly present at substantially the same composition and interval as the target values, respectively, and It has been confirmed that the composition has a composition change structure in which the A1 and Ti contents continuously change from the A1 maximum content point to the Ti maximum content point, and from the Ti maximum content point to the A1 maximum content point, respectively. Also showed substantially the same value as the target layer thickness.
- the (Ti, A1) N layer of the conventional coated carbide tool shows substantially the same composition as the target composition and the same average layer thickness as the target layer thickness, but the composition change along the thickness direction. Was not found, indicating a homogeneous composition throughout the layer.
- composition of the amorphous carbon-based lubricating layer constituting the upper layer was measured using an Auger spectrometer and the thickness of the layer using a scanning electron microscope.
- the composition and the average layer thickness were substantially the same as those shown in Fig. 1 and the structure was observed using a transmission electron microscope.
- FIG. 1A a structure in which crystalline Ti (C, N) -based compound fine particles are dispersed and distributed on a carbon-based amorphous body containing a W component is shown.
- a structure composed of a single phase of a system amorphous body was shown.
- the (Al / Ti) N layer has excellent high-temperature hardness and heat resistance, and also has excellent high-temperature strength
- the amorphous carbon-based lubricating layer as the upper layer is a carbon-based amorphous material containing W component.
- the surface coating layer has a (Ti, A1) N layer, and the upper layer has a single-phase structure of a carbon-based amorphous material.
- the high-speed heavy cutting of non-ferrous materials causes the surface coating layer to wear. Progress fast tool and since Chibbingu also occur, it is clear that lead to a relatively short time service life.
- the coated carbide tool of the present invention is excellent not only in cutting under normal conditions, but also particularly when cutting various kinds of work materials under high-speed cutting conditions. Since it exhibits abrasion resistance, it can sufficiently and satisfactorily cope with labor saving and energy saving of cutting work and low cost.
- the coated carbide tool of the present invention is excellent not only for cutting under ordinary cutting conditions, especially for various non-ferrous materials, but also for high-speed heavy cutting with high heat generation and mechanical shock. Since it exhibits wear resistance and exhibits excellent cutting performance over a long period of time, it is fully satisfied with high performance and automation of cutting equipment, labor saving and energy saving of cutting work, and low cost. It can correspond to.
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Abstract
Description
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Priority Applications (2)
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EP05709435.1A EP1710032B1 (en) | 2004-01-30 | 2005-01-28 | Cutting tool made of surface-coated super hard alloy, and method for manufacture thereof |
US10/597,505 US7655299B2 (en) | 2004-01-30 | 2005-01-28 | Surface-coated cutting tool made of hard metal and manufacturing method for same |
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JP2004022535 | 2004-01-30 | ||
JP2004-022535 | 2004-01-30 | ||
JP2004-146398 | 2004-05-17 | ||
JP2004146397A JP4530138B2 (ja) | 2004-01-30 | 2004-05-17 | 潤滑性非晶質炭素系被膜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 |
JP2004146398A JP4530139B2 (ja) | 2004-05-17 | 2004-05-17 | 潤滑性非晶質炭素系被膜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 |
JP2004-146397 | 2004-05-17 | ||
JP2004212896A JP4530142B2 (ja) | 2004-07-21 | 2004-07-21 | 高速重切削で表面被覆層がすぐれた耐チッピング性を発揮する表面被覆超硬合金製切削工具 |
JP2004-212896 | 2004-07-21 |
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JP5165207B2 (ja) * | 2006-03-29 | 2013-03-21 | オンセミコンダクター・トレーディング・リミテッド | 半導体装置の製造方法 |
FR2921672B1 (fr) * | 2007-09-28 | 2014-08-15 | Commissariat Energie Atomique | Procede d'obtention d'une surface dure a l'echelle nanometrique |
US20120152011A1 (en) * | 2009-09-03 | 2012-06-21 | Mario Zamora | Scale-Up Device For Testing Bit Balling Characteristics |
US20110094876A1 (en) * | 2009-10-27 | 2011-04-28 | Yi-Hsiang Liang | Germanium-containing vacuum coating for noble-metal components |
US8968738B2 (en) * | 2010-09-14 | 2015-03-03 | The Henry M. Jackson Foundation For The Advancement Of Military Medicine, Inc. | Methods of treating autoimmune diseases with anti-FcεRI antibodies |
WO2012078151A1 (en) * | 2010-12-08 | 2012-06-14 | Galleon International Corporation | Hard and low friction nitride coatings |
JP5035479B2 (ja) | 2011-01-27 | 2012-09-26 | 三菱マテリアル株式会社 | 耐欠損性、耐摩耗性にすぐれた表面被覆切削工具 |
TW201321542A (zh) * | 2011-11-29 | 2013-06-01 | Chenming Mold Ind Corp | 製造ic屏蔽鍍膜之設備及ic之金屬屏蔽膜層 |
US10008667B2 (en) * | 2014-08-29 | 2018-06-26 | Intel Corporation | Materials and components in phase change memory devices |
CN107761038B (zh) * | 2017-09-14 | 2020-03-10 | 中国科学院金属研究所 | 一种低孔隙率和高非晶度的铝基非晶涂层及其制备装置和制备方法 |
CN113046703B (zh) * | 2021-03-17 | 2022-12-23 | 昆明理工大学 | 一种高硬度纳米复合涂层及其制备方法与应用 |
WO2023276067A1 (ja) * | 2021-06-30 | 2023-01-05 | 住友電工ハードメタル株式会社 | 切削工具 |
Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2001225412A (ja) * | 2000-02-16 | 2001-08-21 | Token Thermotec:Kk | 保護膜被覆部材 |
JP2001316800A (ja) * | 2000-02-25 | 2001-11-16 | Sumitomo Electric Ind Ltd | 非晶質炭素被覆部材 |
JP2002206177A (ja) * | 2000-12-28 | 2002-07-26 | Komatsu Ltd | 優れた摺動特性を有する摺動部材 |
JP2002235748A (ja) * | 2001-02-13 | 2002-08-23 | Koyo Seiko Co Ltd | 転がり摺動部品 |
JP2004010923A (ja) * | 2002-06-04 | 2004-01-15 | Toyota Motor Corp | 摺動部材及びその製造方法 |
JP2004202587A (ja) * | 2002-12-24 | 2004-07-22 | Mitsubishi Materials Corp | 密着性および耐摩耗性のすぐれた硬質被覆層を形成してなる表面被覆超硬合金製切削工具 |
JP2005007559A (ja) * | 2003-06-23 | 2005-01-13 | Mitsubishi Materials Corp | 高速重切削加工で硬質被覆層がすぐれた耐チッピング性を発揮する表面被覆サーメット製切削工具 |
Family Cites Families (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2666142B2 (ja) | 1987-02-04 | 1997-10-22 | 旭光学工業株式会社 | カメラの自動焦点検出装置 |
JPH0750949B2 (ja) | 1987-08-14 | 1995-05-31 | 日本電気株式会社 | ト−ン信号送出制御方式 |
US5728465A (en) * | 1991-05-03 | 1998-03-17 | Advanced Refractory Technologies, Inc. | Diamond-like nanocomposite corrosion resistant coatings |
DE69319531T2 (de) * | 1992-10-12 | 1999-04-15 | Sumitomo Electric Industries | Ultradünnes Filmlaminat |
DE4421144C2 (de) | 1993-07-21 | 2003-02-13 | Unaxis Balzers Ag | Beschichtetes Werkzeug mit erhöhter Standzeit |
JPH1161380A (ja) * | 1997-08-20 | 1999-03-05 | Kobe Steel Ltd | 耐磨耗性多層型硬質皮膜 |
US6827976B2 (en) * | 1998-04-29 | 2004-12-07 | Unaxis Trading Ag | Method to increase wear resistance of a tool or other machine component |
EP1078110B1 (de) * | 1998-04-29 | 2002-11-27 | Unaxis Trading AG | Werkzeug oder maschinenbauteil und verfahren zu dessen herstellung sowie vakuumbehandlungsanlage |
TW533246B (en) * | 2001-11-29 | 2003-05-21 | Univ Nat Cheng Kung | Titanium aluminum carbon nitride-amorphous carbon nano composite ceramic plating layer with high ductility and high adhesion |
DE60336453D1 (de) * | 2002-01-21 | 2011-05-05 | Mitsubishi Materials Corp | "oberflächenbeschichtetes schneidwerkzeugglied mit harter beschichtungsschicht, die einen hervorragenden reibwiderstand beim hochgeschwindigkeitsschneiden aufweist, und verfahren zur bildung der harten beschichtungsschicht auf der fläche des schneidwerkzeugs" |
JP3928487B2 (ja) * | 2002-06-04 | 2007-06-13 | 三菱マテリアル株式会社 | 高速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超硬合金製切削工具 |
TW545742U (en) | 2002-06-13 | 2003-08-01 | Hon Hai Prec Ind Co Ltd | Electrical connector |
JP2004146397A (ja) | 2002-10-21 | 2004-05-20 | Murata Mfg Co Ltd | 回路モジュールおよびネットワーク機器 |
JP4020200B2 (ja) | 2003-01-08 | 2007-12-12 | 株式会社ジャパンリーコム | 光ケーブル接続部収納用キャビネット |
-
2005
- 2005-01-28 EP EP05709435.1A patent/EP1710032B1/en not_active Not-in-force
- 2005-01-28 US US10/597,505 patent/US7655299B2/en active Active
- 2005-01-28 WO PCT/JP2005/001208 patent/WO2005072895A1/ja not_active Application Discontinuation
- 2005-01-28 EP EP11152017.7A patent/EP2308621B1/en not_active Not-in-force
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2001225412A (ja) * | 2000-02-16 | 2001-08-21 | Token Thermotec:Kk | 保護膜被覆部材 |
JP2001316800A (ja) * | 2000-02-25 | 2001-11-16 | Sumitomo Electric Ind Ltd | 非晶質炭素被覆部材 |
JP2002206177A (ja) * | 2000-12-28 | 2002-07-26 | Komatsu Ltd | 優れた摺動特性を有する摺動部材 |
JP2002235748A (ja) * | 2001-02-13 | 2002-08-23 | Koyo Seiko Co Ltd | 転がり摺動部品 |
JP2004010923A (ja) * | 2002-06-04 | 2004-01-15 | Toyota Motor Corp | 摺動部材及びその製造方法 |
JP2004202587A (ja) * | 2002-12-24 | 2004-07-22 | Mitsubishi Materials Corp | 密着性および耐摩耗性のすぐれた硬質被覆層を形成してなる表面被覆超硬合金製切削工具 |
JP2005007559A (ja) * | 2003-06-23 | 2005-01-13 | Mitsubishi Materials Corp | 高速重切削加工で硬質被覆層がすぐれた耐チッピング性を発揮する表面被覆サーメット製切削工具 |
Also Published As
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EP1710032A4 (en) | 2010-02-24 |
EP1710032A1 (en) | 2006-10-11 |
US7655299B2 (en) | 2010-02-02 |
EP2308621A1 (en) | 2011-04-13 |
EP1710032B1 (en) | 2016-09-28 |
US20080233388A1 (en) | 2008-09-25 |
EP2308621B1 (en) | 2015-07-08 |
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