CN103121115A - Coated cutting empiecement and method for manufacturing the same - Google Patents

Coated cutting empiecement and method for manufacturing the same Download PDF

Info

Publication number
CN103121115A
CN103121115A CN201210461817XA CN201210461817A CN103121115A CN 103121115 A CN103121115 A CN 103121115A CN 201210461817X A CN201210461817X A CN 201210461817XA CN 201210461817 A CN201210461817 A CN 201210461817A CN 103121115 A CN103121115 A CN 103121115A
Authority
CN
China
Prior art keywords
layer
cutting insert
coating
coated
sandblasting
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.)
Pending
Application number
CN201210461817XA
Other languages
Chinese (zh)
Inventor
M·F·贝布洛
V·索特克
Z·班
H·韦斯特法尔
Y·刘
P·R·莱克特
M·S·格林菲尔德
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Kennametal Inc
Original Assignee
Kennametal Inc
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Priority claimed from US13/300,268 external-priority patent/US8668982B2/en
Application filed by Kennametal Inc filed Critical Kennametal Inc
Publication of CN103121115A publication Critical patent/CN103121115A/en
Pending legal-status Critical Current

Links

Images

Classifications

    • C—CHEMISTRY; METALLURGY
    • C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
    • C23C28/00—Coating for obtaining at least two superposed coatings either by methods not provided for in a single one of groups C23C2/00 - C23C26/00 or by combinations of methods provided for in subclasses C23C and C25C or C25D
    • C23C28/04—Coating for obtaining at least two superposed coatings either by methods not provided for in a single one of groups C23C2/00 - C23C26/00 or by combinations of methods provided for in subclasses C23C and C25C or C25D only coatings of inorganic non-metallic material
    • C23C28/044—Coating for obtaining at least two superposed coatings either by methods not provided for in a single one of groups C23C2/00 - C23C26/00 or by combinations of methods provided for in subclasses C23C and C25C or C25D only coatings of inorganic non-metallic material coatings specially adapted for cutting tools or wear applications
    • C—CHEMISTRY; METALLURGY
    • C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
    • C23C28/00—Coating for obtaining at least two superposed coatings either by methods not provided for in a single one of groups C23C2/00 - C23C26/00 or by combinations of methods provided for in subclasses C23C and C25C or C25D
    • C23C28/04—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
    • C23C28/042—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 including a refractory ceramic layer, e.g. refractory metal oxides, ZrO2, rare earth oxides
    • 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

Abstract

The invention relates to a coated cutting empiecement and a method for manufacturing the same. The coated cutting empiecement used for removing materials from a workpiece is disclosed, and comprises a pedestal. A wear resistance layer on the pedestal comprises an alumina layer and a Zr carbonitride or Hf carbonitride outer layer, and the outer layer is disposed on the alumina layer, so that the Zr carbonitride or Hf carbonitride outer layer is carried out wet-type sand blasting after coating. The wet-type sand blasting enables the stress status of the exposed alumina coating layer to be changed into a compression stress status from an initial tensile stress status.

Description

The cutting insert and its manufacture method of coating
Technical field
The present invention relates to cutting insert field, and it more particularly to can be used for the cutting insert of the removal material from workpiece.
Background technology
The present invention is, on a kind of cutting insert of coating, to remove material available for from a workpiece, for example, to a workpiece to be formed the machining of chip.More precisely, the present invention is on a kind of cutting insert that can be used for removing material from workpiece, the wherein cutting insert of the coating includes a substrate, and the substrate is coated with a multilayer coating, and the multilayer coating includes Zr or Hf carbonitride and Al2O3.Coating schemes include an exposed Zr or Hf coat, and the coat shows compression stress.
Fan Dengboge（van den Berg）Et al. U.S. Patent number 6,224,968（Transfer Kennametal Inc.（Kennametal Inc.））A kind of purposes of coating is disclosed, the coating includes the first TiN layer, the second carbonitride layer, the 3rd Al in hard metal, steel, cermet or a ceramic bases2O3Layer and outside Zr, Hf, V, Nb, Ta or Cr carbonitride layer.
Westfall that（Westphal）Et al. U.S. Patent number 6,884,496（Transfer Kennametal Inc.）A kind of hard material metallic particles by using injection shaping is disclosed to carry out dry type sandblasting to material to increase the compressive residual stress of Zr or Hf carbonitride coat or reduce its method for stretching residual stress.
Kao Nige（Konig）Et al. U.S. Patent number 6,350,510（Transfer Kennametal Inc.）The multiphase layer of Zr or Hf carbonitrides is disclosed, the multiphase layer has internal compression stresses.Zr or Hf layers of compression stress is that the result that uninterrupted CVD coating procedures are then heat-treated is being carried out between 900 DEG C and 1100 DEG C.
Class（Ban）Et al. U.S. Patent Application Publication No. 2009/0004449 and 2009/0004440（Transfer Kennametal Inc.）Disclose and wet blast is carried out to a cutting insert, the cutting insert has an outside anti-scuff coating, the outside anti-scuff coating includes M (OxCyNz), wherein M is selected from the group, and the group includes the one or more in the following：Titanium, hafnium, zirconium, chromium, Ti-Al alloy, hafnium-aluminium alloy, zirconium-aluminium alloy, chromium-aluminium alloy and their alloy, and x>0, y >=0, z >=0 and y+z>0.
The content of the invention
There is provided a kind of cutting insert for being used to remove the coating of material from workpiece, the cutting insert of the coating includes a substrate.Anti-scuff coating in the substrate includes an aluminum oxide（Al2O3）Layer and a Zr carbonitride or Hf carbonitride outer layers, the outer layer are deposited on the alumina layer.In certain embodiments, the alumina layer is an alpha-alumina layer.In certain embodiments, the alumina layer is a κ-alumina layer.In certain embodiments, the alumina layer includes the mixture of Alpha-alumina and κ-aluminum oxide.In addition, make Zr carbonitrides or Hf carbonitride outer layers be coated after wet blast processing.Zr carbonitrides or the stress state of Hf carbonitride outer layers are changed into a kind of bigger compression stress situation by the wet blast from a kind of incipient extension or mild compression stress state.
It is an aspect of the present invention to provide a kind of cutting insert of coating, the cutting insert of the coating includes a substrate and a multilayer coating scheme, and the multilayer coating scheme includes an Al2O3Layer is with one in the Al2O3ZrCN or HfCN outer layers on layer, the wherein outer layer show stress state after a kind of sandblasting of scope between about -700MPa and about -4.0GPa, and this is to carry out XRD to measure by using Psi method of tilting and ZrCN (220) reflections.As described herein, the Al2O3Layer can be a α-Al2O3Layer, a κ-Al2O3Layer or one include α-Al2O3With κ-Al2O3Mixture layer.
In certain embodiments, the cutting insert of coating described herein includes a substrate and a multilayer coating scheme, and the multilayer coating scheme includes a α-Al2O3Layer is with one in the α-Al2O3ZrCN or HfCN outer layers on layer, the wherein α-Al2O3Layer shows a kind of scope from about 300MPa to stress state after about -1.0GPa sandblasting, and this is by using Psi method of tilting and α-Al2O3(024) reflection XRD is carried out to measure.In certain embodiments, the cutting insert of coating described herein includes a substrate and multilayer coating scheme, and the multilayer coating scheme includes a κ-Al2O3Layer is with one in the κ-Al2O3ZrCN or HfCN outer layers on layer, the wherein κ-Al2O3Layer shows a kind of scope from about 200MPa to stress state after about -1.3GPa sandblasting, and this is by using Psi method of tilting and κ-Al2O3(122) reflection XRD is carried out to measure.
A kind of method for the cutting insert for manufacturing coating comprises the following steps in certain embodiments：One substrate is provided；The substrate is coated with a multiple field anti-scuff coating, the multiple field anti-scuff coating includes an Al2O3Layer is with one in the Al2O3Outside Zr carbonitrides or Hf carbonitride outer layers on layer；And the outer layer is carried out wet blast processing.It is in some embodiments of the method described in this, the Al2O3Layer can be a α-Al2O3Layer, a κ-Al2O3Layer or one include α-Al2O3With κ-Al2O3Mixture layer.
Brief description of the drawings
The following is the brief description to accompanying drawing, a part for these accompanying drawings formation present patent application：
Fig. 1 is a kind of isometric view of a specific embodiment of the cutting insert of coating of the invention, and wherein the cutting insert of the coating is in situation after a kind of sandblasting；
Fig. 2 is the partial cross section view of the cutting insert of coating demonstrated in Figure 1.The cutting insert of cross section shows coating is along section line A-B and close to the part on the surface of the empiecement.
Fig. 3 is a kind of microphoto in a section of the cutting insert of coating according to one embodiment of the invention.The section shows the hat shape scar that substrate and multiple coats are exposed on the side of the empiecement.
Embodiment
Referring to accompanying drawing, Fig. 1 shows a kind of cutting insert 10 of coating according to one embodiment of the invention.Cutting insert 10 can be used for removing material from a workpiece, for example, to a workpiece to be formed the machining of chip.A cutting turning 11 can be presented in the cutting insert 10 of the coating.Fig. 2 shows section view of Fig. 1 cutting insert along section line A-B and at cutting turning 11.
Referring again to Fig. 2, the cutting insert 10, which has, has a multilayer coating above a substrate 12, the substrate.The substrate includes a kind of WC hard metals, cermet, ceramics or steel.Since the penetralia coating of the neighbouring substrate and advance according to one embodiment of the invention and outwards, these layers of the multilayer coating include TiN layer 13, TiCN layer 14, an Al2O3Layer 15 and an external coating 16.The TiCN layer 14 can be a middle temperature TiCN coating or a high temperature TiCN coating.In some embodiment, the Al2O3Layer 15, which is one, to be had significantly（104）Grow the α-Al of the veining of texture2O3.In another embodiment, the Al2O3Layer 15 is a κ-Al2O3Layer.In addition, in certain embodiments, the Al2O3Layer 15 is α-Al2O3With κ-Al2O3Mixture.In the Al2O3Layer 15 is α-Al2O3With κ-Al2O3Mixture some embodiments in, κ/α ratios be more than 1.In certain embodiments, κ/α ratios are more than 10 or more than 100.External coating 16 includes the carbonitride based on Zr or based on Hf, preferably ZrCN.
In one embodiment of the invention, a tack coat 18 can be placed in the Al2O3Between layer 15 and an external coating 16.The tack coat 18 can include M (OxCyNz), wherein M is to be selected from the group, and the group includes the one or more in the following：Titanium, hafnium, zirconium, chromium, Ti-Al alloy, hafnium-aluminium alloy, zirconium-aluminium alloy, chromium-aluminium alloy and their alloy, and x >=0, y >=0, z >=0 and y+z>0.When aluminium is present in " M " component of wear indicating layer, it and other elements（That is, titanium, hafnium, zirconium, chromium）In another or multiple combinations.Another embodiment of the invention provides (a Ti1-bAlb)(OxCyNz) layer 17, wherein 0≤b<1, x >=0, y >=0, z >=0 and x+y+z>0.In certain embodiments, should (Ti1-bAlb)(OxCyNz) layer 17 is positioned at the TiCN layer 14 and the Al2O3Between layer 15.
Fig. 3 is a kind of microphoto in a section of the cutting insert of coating according to one embodiment of the invention.The section shows the hat shape scar that substrate and multiple coats are exposed on the side of the empiecement.The microphoto, which is shown, has a multilayer coating above a WC-Co substrate 20, the substrate.It is with lower floor to advance since the coat of the neighbouring substrate and outwards：One TiN layer 22, MT-TiCN layers 24, TiOCN layers 26, a α-Al2O3Layer 28 and a ZrCN layer 30.
Zr carbonitrides or Hf carbonitride outer layer coatings can be coated by means of CVD, thus gas phase is under the reaction temperature between 700 DEG C and 1100 DEG C and preferably under the pressure between 5kPA and 100kPa, except including H2And/or outside Ar and the chloride of metals mentioned herein above, also comprising carbon donor and nitrogen donor with a C--N molecular radical.This group is preferably a cyanide group between carbon and nitrogen with three keys, and the interval of carbon and nitrogen is reached between 0.114 and 0.118nm at room temperature.Such compound is hydrogen cyanide, cyanamide, cyanogen, cyanogen acetylene（cyanacetylene）Or acetonitrile.Alternately or partly, such gaseous compound can also be used, they have the CN molecular radicals between carbon and nitrogen with a singly-bound.Molecule with single CN keys includes methylamine and ethylenediamine.The present invention includes the appropriate material comprising cyanide group in its framework；The compound of this species is known in state of the art in principle.Other gaseous mediums that cyano group can be possible to be formed at the reaction temperatures are sent in reaction vessel.
The thickness of the TiN layer 13 can be 0 μm to 2.0 μm, such as 0.1 μm to 0.5 μm.The thickness of the TiCN layer 14 can be 1.0 μm to 20.0 μm, such as 2.0 μm to 10 μm.The Al2O3The thickness of layer 15 can be 1.0 μm to 15.0 μm, such as 2.0 μm to 8.0 μm.In the Al2O3Layer is κ-Al2O3Some embodiments in, the Al2O3Layer includes single κ-Al2O3Layer or multiple κ-Al2O3Layer.In certain embodiments, for example, an Al of coating described herein2O3Layer includes 2 to 30 κ-Al2O3Layer.In addition, in certain embodiments, an Al2O3Layer includes κ-Al2O3With α-Al2O3Multiple alternating layers.In certain embodiments, (Ti1-bAlb)(OxCyNz) layer is positioned at multiple κ-Al2O3Layer or κ-Al2O3With α-Al2O3Multiple alternating layers between.The thickness of the external coating 16 can be 0.5 μm to 5.0 μm, such as 1.0 μm to 3.0 μm.Wet blast step after coating eliminates outer coat 16 to a certain extent.The thickness of the external coating 16 can be 0.5 μm to 4.5 μm, such as 1.0 μm to 3.0 μm.
Make multilayer coating be coated after wet blast processing.Wet blast step includes pneumatically projecting the liquid of aluminium oxide particles after coating（Such as water）Slurry, to hit all surface of the coating schemes by pre-blast.The tensile stress in outer layer is converted to compression stress or increases the compression stress of outer layer by wet blast step after the coating.Wet blast step also makes the surface of outer coat 16 smooth after the coating.It is evident that wet blast step both changes stress state, and make the surface of external coating 16 smooth again.External coating 16（During deposition）In slight stretching or compressive state.In the case of slight stretching, wet blast step is converted to the tensile stress of external coating 16 compressive stress level after sandblasting after the coating.In the case of mild compression, wet blast step further increases the compression stress of outer coat 16 after the coating.
Wet blast step also results in external coating 16 and smoothed out after the coating.In an alternative solution, using WYKO e measurement technologies, the alumina coating layer exposed shows the surface roughness R between about 0.2 μm and about 0.5 μma.In a further alternative, using WYKO e measurement technologies, the alumina coating layer exposed shows the surface roughness R between about 0.2 μm and about 0.4 μma.In yet another alternative solution, using WYKO e measurement technologies, the alumina coating layer exposed shows the surface roughness R between about 0.3 μm and about 0.4 μma.In a further alternative, measured using WYKO, the alumina layer exposed shows the surface roughness R less than 0.2 μma.On the WYKO technologies, one 0.3mm of selection multiplies 0.2mm sampling area in the WYKO measurements under vertical sweep interferometry pattern.
In an alternative solution of anti-scuff coating scheme, external coating shows a kind of be equal to before about 100MPa tensile stresses to the sandblasting between about -400MPa compression stresses（Or during deposition）Stress state.As used herein, when referring to the stress state of coating, positive number represents a kind of stretched condition and a kind of compressed state of negative number representation.After wet blast is completed, outer coat 16 has a kind of compression stress situation arrived between -700MPa between about -4.0GPa.In a further alternative, after wet blast is completed, external coating 16 shows a kind of stress state arrived between -2.0GPa between about -4.0GPa.
In another alternative solution of anti-scuff coating scheme, Al2O3Before layer 15 shows a kind of scope from about 200MPa tensile stresses to the sandblasting of about 800MPa tensile stresses（Or during deposition）Stress state.After wet blast is completed, Al2O3Layer 15 has a kind of stretching/compressing stress state between 300MPa to about -1.0GPa.In certain embodiments, after wet blast is completed, Al2O3Layer has a kind of stretching/compressing stress state of scope from about 200MPa to about -1.3GPa.In certain embodiments, after wet blast is completed, Al2O3Layer has a kind of compression stress situation of scope from about -200MPa to about -1.5GPa.In certain embodiments, after wet blast is completed, Al2O3Layer has a kind of compression stress situation of scope from about -500MPa to about -1.0GPa.As described in herein in addition, the Al with stretching described herein or compression stress situation2O3Layer can be a α-Al2O3Layer, a κ-Al2O3Layer or one include α-Al2O3With κ-Al2O3Mixture layer.
On the e measurement technology of the stress of ZrCN external coatings, the technology is x-ray diffraction（XRD）Technology.XRD stress measurements are to be based on Psi method of tilting, and select the reflection (220) of ZrCN coats to be used to measure.0 degree, 28.9 degree, 43.1 degree, 56.8 degree and 75 degree of Psi is tilted and is selected for measurement remnant stress level.Positive and negative Psi, which is tilted, to be selected to provide to determine the data required by possible shear stress.In addition, three Phi anglecs of rotation（0 degree, 45 degree and 90 degree）It is selected to provide to determine the data required by the biaxial stress state of material.
Biaxial stress, which is calculated, to be completed using below equation：
Figure 1
Wherein：S1With1/2S2It is x-ray elastic constant
Figure BDA00002413018500072
It is that the peak value d intervals with the Phi measurements rotated are tilted for Psi
d0It is the unstressed peak value d intervals for diffraction reflection
σ1And σ2It is main stress
Figure 2
Young's modulus（E）It is taken as 434GPa, Poisson's ratio（v）It is taken as 0.2, and x-ray elastic constant（S1And S2）Accordingly it is taken as -0.46 × 106mm2/ N and 2.76 × 106mm2/ N, for calculating the stress in ZrCN coatings.Similar measurement can be carried out to a HfCN coating.
On Al2O3The e measurement technology of the stress of layer, the technology is substantially same as described above in addition to following item.In Al2O3Layer is a α-Al2O3In the embodiment of layer, α-Al are selected2O3The reflection (024) of layer is used to measure.Young's modulus（E）It is taken as 401GPa, Poisson's ratio（v）It is taken as 0.22, and x-ray elastic constant（S1And S2）Accordingly it is taken as -0.53 × 106mm2/ N and 2.94 × 106mm2/ N, for calculating α-Al2O3Stress in coating.In addition, in Al2O3Layer is a κ-Al2O3In the embodiment of layer, κ-Al are selected2O3(122) of layer are reflected for measuring.κ-Al2O3The Young's modulus of layer（E）It is taken as 408GPa, Poisson's ratio（v）It is taken as 0.22, and x-ray elastic constant（S1And S2）Accordingly it is taken as -0.56 × 106mm2/ N and 3.01 × 106mm2/ N, for calculating κ-Al2O3Stress in coating.
Wet blast is realized using a kind of slurry including alumina particulate and water.The slurry of alumina particulate and water is pneumatically projected on the surface, with the surface of impact basement.The basic parameter of aluminum oxide-water slurry is the gravel with volume percentage（That is, aluminium oxide particles）Concentration and with micron（μm）The aluminum oxide grain size of meter.In an alternative solution, slurry includes the alumina particulate between about 5 percents by volume and about 35 percents by volume and the water of surplus.In a further alternative, slurry includes the alumina particulate between about 8 percents by volume and about 25 percents by volume and the water of surplus.For granularity, in an alternative solution, the size range of aluminium oxide particles can be between about 20 μm and about 100 μm.In a further alternative, the size range of aluminium oxide particles can be between about 35 μm and about 75 μm.
The operating parameter of wet blast step is pressure, projected angle of impact and duration.In this application, projected angle of impact is about 90 degree, i.e. particle with 90 degree of angle impact surfaces.In an alternative solution, the scope of pressure is between about 35 pound per square inches（psi）Between about 55psi.In a further alternative, the scope of pressure is between about 40 pound per square inches（psi）Between about 50psi.The duration of wet blast operates and changed with specific wet blast, and wherein purpose is in order in external coating and Al2O3Optimum stress level is reached in layer.The exemplary duration is included between about 6 seconds and about 45 seconds.The scope of duration is between about 9 seconds and about 30 seconds.Yet another scope of duration is between about 12 seconds and about 21 seconds.
On a kind of method for the cutting insert for manufacturing coating, basic step comprises the following steps.First step includes providing a substrate, and the wherein substrate is selected from the group, and the group is made up of the following：Hard metal, cermet or ceramics.Second, with a multiple field anti-scuff coating coated substrate, the multiple field anti-scuff coating includes an Al2O3Layer is with one in the Al2O3Outside Zr carbonitrides or Hf carbonitride outer layers on layer.As described herein, Al2O3Layer can be a α-Al2O3Layer, a κ-Al2O3Layer or one include α-Al2O3With κ-Al2O3Mixture layer.3rd, the coating is carried out wet blast processing.
The instantiation and its contrast test of the cutting insert of the coating of the present invention is described below.One contrast test measure a kind of life tools of cutting insert of coating of the invention in minutes relative to two the life tools of other prior art cutting inserts in minutes.
Table 1 is illustrated for depositing the salic basecoat zones of the instantiation for prior art He ceramic cutting empiecement of the present invention and the basic technological parameters in the area of external coating containing zirconium.At this point, the technological parameter in table 1 has represented the step for being used for being coated to a coating schemes on the surface of cementing carbide substrate.
Table 1
Figure BDA00002413018500091
Since above step occur until coating ZrCN the step of successively TiN steps.
On the above-mentioned steps in table 1, in certain embodiments, Al is controlled2O3To ensure that α-mutually produce is most important to the integrality of external coating.Bad adhesion between ZrCN and other aluminum oxide phases may result in outer layer and be peeled off during wet blast or metal cutting.However, including a κ-Al2O3The cutting insert of the coating of the invention of layer can be in ZrCN and κ-Al2O3Between show adhesion strength suitable for wet blast and/or metal cutting application so that there is provided α-Al2O3One alternative solution of embodiment.Accordingly, with respect to the above-mentioned steps in Table I, in certain embodiments, Al is controlled2O3Be deposited to insure that κ-mutually produce.
In the first example, include a coating schemes similar with the present invention for the prior art cutting insert in contrast test, with the exception is that prior art empiecement make use of the outer coats of a TiCN/TiN.The cutting insert of the invention of this first example shows the coating structure in Table I, wherein being used together a α-Al with ZrCN outer layers2O3Layer.The ceramic cutting empiecement of the coating of the cutting insert of the coating of prior art and the present invention is all ansi standard CNMA432 cutting inserts.
Sandblasting parameter after table 2 is coated
Parameter Description
The composition of the slurry of aluminium oxide particles-water In the range of 5%-35% by volume
The size of aluminium oxide particles In 20 μm of -100 μ m
Pressure in knockout process In the range of 35psi-55psi
Hit the duration In the range of 6 seconds to 45 seconds
For the contrast test in survey tool life-span, parameter is as follows：Workpiece material：80-55-06 ductile irons；Speed is equal to 656 square feet per minute（sfm）（200 square metres per minute）；Feed rate is equal to 0.004 inch（0.1 millimeter）Every turn（ipr）；Cutting depth（doc）Equal to 0.08 inch（2.03 millimeter）；Pilot angle is equal to -5 degree, with cooling agent.Invalid principle is：UNF is equal to 0.012 inch（0.3 millimeter）Maximum；Nose weares and teares（NW）Equal to 0.012 inch（0.3 millimeter）；Cut notch depth（DOCN）Equal to 0.012 inch（0.3 millimeter）；CR is equal to 0.004 inch（0.1 millimeter）；And TW is equal to 0.012 inch（0.3 millimeter）.
In contrast test, following sample has been run, i.e. the cutting insert of the coating of three prior arts and the cutting insert of three coatings of the invention.The result of contrast test is provided in table 3 below.
Life tools result of the table 3 from contrast test
Life tools（Minute)/failure mode
Prior art -1A   10.3/NW
Prior art -2A   9.6/NW
Prior art -3A   7.3/NW
The present invention -1   14.0/NW
The present invention -2   9.9/NW
The present invention -3   11.9/NW
These cutting test results show, cutting insert of the present invention in terms of abrasion resistance compared with the abrasion resistance of prior art cutting insert, in the life-span（Life tools）On have about 30% improvement.
The second contrast test of the anti-recess of measurement is also carried out.Circulated under following parameter using wet type turning：Workpiece material：316Ti stainless steels；Speed is equal to 656 square feet per minute（sfm）（200 square metres per minute）；Feed rate is equal to 0.01 inch（0.25 millimeter）Every turn, and cutting depth is equal to 0.08 inch（2 millimeters）；And pilot angle is equal to -5 degree.Prior art is one and is coated with κ Al2O3, with by dry type sandblasting treat ZrCN top layers commercial carbonized thing cutting element.In this example, cutting insert of the invention shows the painting layer architecture of Table I.The cutting insert of the coating of prior art and the cutting insert of the coating of the present invention all have ansi standard CNMG432RP pattern.The comparing result for the life tools that table 4 below gives the cutting notch depth for the cutting insert that the cutting insert coated by prior art is coated with the present invention to determine.Invalid principle is：Cut notch depth（DOCN）Equal to 0.012 inch（0.3 millimeter）.
Table 4
The contrast of prior art cutting insert and cutting insert of the present invention
The life tools (in minutes) obtained by DOCN
Prior art empiecement   10.7
Empiecement of the present invention   12.7
The cutting insert of the present invention presents 20% improvement in terms of the anti-notch depth during machining 316Ti stainless steels.
The invention provides following technical scheme：
1. a kind of cutting insert of coating, including：
One substrate；With
One multilayer coating scheme, the instrument includes:
One Al2O3Layer；With
One in the Al2O3ZrCN or HfCN outer layers on layer,
Wherein the outer layer shows a kind of scope and arrives stress state after the sandblasting between about -4.0GPa between about -700MPa, and this is to carry out XRD to measure by using Psi method of tilting and ZrCN or HfCN (220) reflection.
2. the scope of stress state is between about -2.0GPa and about -4.0GPa after the cutting insert of the coating as described in technical scheme 1, the wherein sandblasting.
3. the cutting insert of the coating as described in technical scheme 1, wherein the multilayer coating scheme comprise additionally in inner most TiN and TiCN layer in the TiN layer, the wherein Al2O3Layer is in the TiCN layer.
4. the cutting insert of the coating as described in technical scheme 1, the wherein Al2O3Layer is a κ-Al2O3Layer.
5. the cutting insert of the coating as described in technical scheme 1, the wherein Al2O3Layer is a α-Al2O3Layer.
6. the cutting insert of the coating as described in technical scheme 1, the wherein Al2O3Layer includes α-Al2O3With κ-Al2O3A kind of mixture.
7. the cutting insert of the coating as described in technical scheme 1, further in the Al2O3Include a tack coat between layer and an outer layer, the tack coat includes M (OxCyNz), wherein M is to be selected from the group, and the group includes the one or more in the following：Titanium, hafnium, zirconium, chromium, Ti-Al alloy, hafnium-aluminium alloy, zirconium-aluminium alloy, chromium-aluminium alloy and their alloy, and x >=0, y >=0, z >=0 and y+z>0, and wherein when M is aluminium, then also there is at least one of titanium, hafnium, zirconium or chromium.
8. the cutting insert of the coating as described in technical scheme 3, further in the TiCN layer and the Al2O3Include (a Ti between layer1-bAlb)(OxCyNz) layer, wherein 0≤b<1, x >=0, y >=0, z >=0 and x+y+z>0.
9. the cutting insert of the coating as described in technical scheme 1, the wherein substrate include a kind of hard metal, a kind of cermet or a kind of ceramics.
10. the cutting insert of the coating as described in technical scheme 1, the wherein outer layer have 0.5 μm to 4.5 μm of thickness and the Al2O3Layer has 1.0 μm to 15.0 μm of thickness.
11. the cutting insert of the coating as described in technical scheme 10, the wherein Al2O3Layer includes multiple κ-Al2O3Layer.
12. the cutting insert of the coating as described in technical scheme 10, the wherein Al2O3Layer includes κ-Al2O3With α-Al2O3Multiple alternating layers.
13. a kind of cutting insert of coating, including：
One substrate；With
One multilayer coating scheme, the multilayer coating scheme includes:
One κ-Al2O3Layer；With
One in the κ-Al2O3ZrCN or HfCN outer layers on layer,
Wherein κ-the Al2O3Layer shows stress state after a kind of sandblasting of scope between about 200MPa to about -1.3GPa, and this is by using Psi method of tilting and κ-Al2O3(122) reflection XRD is carried out to measure.
14. the cutting insert of the coating as described in technical scheme 13, wherein the multilayer coating scheme further comprise inner most TiN and TiCN layer in the TiN layer, the wherein κ-Al2O3Layer is in the TiCN layer.
15. the cutting insert of the coating as described in technical scheme 13, further in the κ-Al2O3Include a tack coat between layer and an outer layer, the tack coat includes M (OxCyNz), wherein M is to be selected from the group, and the group includes the one or more in the following：Titanium, hafnium, zirconium, chromium, Ti-Al alloy, hafnium-aluminium alloy, zirconium-aluminium alloy, chromium-aluminium alloy and their alloy, and x >=0, y >=0, z >=0 and y+z>0, and wherein when M is aluminium, then also there is at least one of titanium, hafnium, zirconium or chromium.
16. the cutting insert of the coating as described in technical scheme 15, further in the TiCN layer and the κ-Al2O3Include (a Ti between layer1-bAlb)(OxCyNz) layer, wherein 0≤b<1, x >=0, y >=0, z >=0 and x+y+z>0.
17. the cutting insert of the coating as described in technical scheme 13, the wherein substrate include a kind of hard metal, a kind of cermet or a kind of ceramics.
18. the cutting insert of the coating as described in technical scheme 13, the wherein κ-Al2O3Layer includes multiple κ-Al2O3Layer.
19. the cutting insert of the coating as described in technical scheme 13, the wherein κ-Al2O3Layer only one includes κ-Al2O3With α-Al2O3Multiple alternating layers.
20. the cutting insert of the coating as described in technical scheme 13, the wherein outer layer have 0.5 μm to 4.5 μm of thickness and the κ-Al2O3Layer has 1.0 μm to 15.0 μm of thickness.
21. the cutting insert of the coating as described in technical scheme 13, wherein κ-Al2O3Layer shows a kind of scope and arrives stress state after the sandblasting between about -1.5GPa between about -200MPa.
22. a kind of method for being used to manufacture the cutting insert of coating, comprises the following steps：
One substrate is provided；
The substrate is coated with a multiple field anti-scuff coating, the multiple field anti-scuff coating includes an Al2O3Layer is with one in the Al2O3Outside Zr carbonitrides or Hf carbonitride outer layers on layer；And
The outer layer is set to carry out wet blast processing.
23. the method for being used to manufacture the cutting insert of coating as described in technical scheme 22, wherein wet blast processing utilizes a kind of slurry including aluminium oxide particles and water, the wherein aluminum oxide constitutes 5% to the 35% of the slurry by volume.
24. the method for being used to manufacture the cutting insert of coating as described in technical scheme 22, wherein these aluminium oxide particles are 20 μm -100 μm.
25. as described in technical scheme 22 be used for manufacture coating cutting insert method, wherein the slurry be under 35psi to 55psi pressure progress sandblasting and the wet blast continue for six seconds to 45 seconds.
26. the method as described in technical scheme 22, the wherein Al2O3Layer is a κ-Al2O3Layer.
27. the method as described in technical scheme 22, the wherein Al2O3Layer is a α-Al2O3Layer.
28. the method as described in technical scheme 22, the wherein Al2O3Layer includes α-Al2O3With κ-Al2O3A kind of mixture.
These patents and other documents are integrally joined to this by quoting with it referred in this.By considering this specification or by implementing the present invention disclosed here, other embodiments of the invention will be apparent for those skilled in the art.This specification and these examples are intended to be merely illustrative and are not intended to limit the scope of the present invention.Following claims indicates the true scope and spirit of the invention.

Claims (27)

1. a kind of cutting insert of coating, including：
One substrate；With
One multilayer coating scheme, the instrument includes:
One κ-Al2O3Layer；With
One in the κ-Al2O3ZrCN or HfCN outer layers on layer,
Wherein the outer layer shows a kind of scope and arrives stress state after the sandblasting between about -4.0GPa between about -700MPa, and this is to carry out XRD to measure by using Psi method of tilting and ZrCN or HfCN (220) reflection, and
In the κ-Al2O3A tack coat between layer and the outer layer, the tack coat includes M (OxCyNz), wherein M is to be selected from the group, and the group includes the one or more in the following：Titanium, hafnium, zirconium, chromium, Ti-Al alloy, hafnium-aluminium alloy, zirconium-aluminium alloy, chromium-aluminium alloy and their alloy, and x >=0, y >=0, z >=0 and y+z>0, and wherein when M is aluminium, then also there is at least one of titanium, hafnium, zirconium or chromium.
2. the scope of stress state is between about -2.0GPa and about -4.0GPa after the cutting insert coated as claimed in claim 1, the wherein sandblasting.
3. the cutting insert coated as claimed in claim 1, wherein the multilayer coating scheme comprise additionally in an inner most TiN layer and a TiCN layer in the TiN layer, wherein κ-the Al2O3Layer is in the TiCN layer.
4. the cutting insert coated as claimed in claim 1, the wherein κ-Al2O3Layer shows stress state after a kind of sandblasting of scope between about 200MPa to about -1.3GPa, and this is by using Psi method of tilting and κ-Al2O3(122) reflection XRD is carried out to measure.
5. the cutting insert coated as claimed in claim 1, the wherein κ-Al2O3Layer further comprises α-Al2O3A kind of mixture.
6. the cutting insert coated as claimed in claim 1, the wherein κ-Al2O3Layer shows a kind of scope and arrives stress state after the sandblasting between about -1.5GPa between about -200MPa, and this is by using Psi method of tilting and κ-Al2O3(122) reflection XRD is carried out to measure.
7. the cutting insert coated as claimed in claim 3, further in the TiCN layer and the κ-Al2O3Include (a Ti between layer1-bAlb)(OxCyNz) layer, wherein 0≤b<1, x >=0, y >=0, z >=0 and x+y+z>0.
8. the cutting insert coated as claimed in claim 1, the wherein substrate include a kind of hard metal, a kind of cermet or a kind of ceramics.
9. the cutting insert coated as claimed in claim 1, the wherein outer layer have 0.5 μm to 4.5 μm of thickness and the κ-Al2O3Layer has 1.0 μm to 15.0 μm of thickness.
10. the cutting insert coated as claimed in claim 9, the wherein κ-Al2O3Layer includes multiple κ-Al2O3Layer.
11. the cutting insert coated as claimed in claim 9, the wherein κ-Al2O3Layer further comprises κ-Al2O3With α-Al2O3Multiple alternating layers.
12. a kind of cutting insert of coating, including：
One substrate；With
One multilayer coating scheme, the multilayer coating scheme includes:
One κ-Al2O3Layer；With
One in the κ-Al2O3ZrCN or HfCN outer layers on layer,
Wherein κ-the Al2O3Layer shows stress state after a kind of sandblasting of scope between about 200MPa to about -1.3GPa, and this is by using Psi method of tilting and κ-Al2O3(122) reflection XRD is carried out to measure.
13. the cutting insert coated as claimed in claim 12, wherein the multilayer coating scheme further comprise an inner most TiN layer and a TiCN layer in the TiN layer, wherein κ-the Al2O3Layer is in the TiCN layer.
14. the cutting insert coated as claimed in claim 12, further in the κ-Al2O3Include a tack coat between layer and an outer layer, the tack coat includes M (OxCyNz), wherein M is to be selected from the group, and the group includes the one or more in the following：Titanium, hafnium, zirconium, chromium, Ti-Al alloy, hafnium-aluminium alloy, zirconium-aluminium alloy, chromium-aluminium alloy and their alloy, and x >=0, y >=0, z >=0 and y+z>0, and wherein when M is aluminium, then also there is at least one of titanium, hafnium, zirconium or chromium.
15. the cutting insert coated as claimed in claim 14, further in the TiCN layer and the κ-Al2O3Include (a Ti between layer1-bAlb)(OxCyNz) layer, wherein 0≤b<1, x >=0, y >=0, z >=0 and x+y+z>0.
16. the cutting insert coated as claimed in claim 12, the wherein substrate include a kind of hard metal, a kind of cermet or a kind of ceramics.
17. the cutting insert coated as claimed in claim 12, the wherein κ-Al2O3Layer includes multiple κ-Al2O3Layer.
18. the cutting insert coated as claimed in claim 12, the wherein κ-Al2O3Layer only one includes κ-Al2O3With α-Al2O3Multiple alternating layers.
19. the cutting insert coated as claimed in claim 12, the wherein outer layer have 0.5 μm to 4.5 μm of thickness and the κ-Al2O3Layer has 1.0 μm to 15.0 μm of thickness.
20. the cutting insert coated as claimed in claim 12, wherein κ-Al2O3Layer shows a kind of scope and arrives stress state after the sandblasting between about -1.5GPa between about -200MPa.
21. a kind of method for being used to manufacture the cutting insert of coating, comprises the following steps：
One substrate is provided；
The substrate is coated with a multiple field anti-scuff coating, the multiple field anti-scuff coating includes a κ-Al2O3Layer is with one in the κ-Al2O3Outside Zr carbonitrides or Hf carbonitride outer layers on layer；And
The outer layer is set to carry out wet blast processing, the wherein κ-Al2O3Layer shows stress state after a kind of sandblasting of scope between about 200MPa to about -1.3GPa, and this is by using Psi method of tilting and κ-Al2O3(122) reflection XRD is carried out to measure.
22. the method as claimed in claim 21 for being used to manufacture the cutting insert of coating, wherein wet blast processing utilizes a kind of slurry including aluminium oxide particles and water, the wherein aluminum oxide constitutes 5% to the 35% of the slurry by volume.
23. the method as claimed in claim 21 for being used to manufacture the cutting insert of coating, wherein these aluminium oxide particles are 20 μm -100 μm.
24. the as claimed in claim 21 method for being used to manufacture the cutting insert of coating, the wherein slurry be under 35psi to 55psi pressure progress sandblasting and the wet blast continue for six seconds to 45 seconds.
25. method as claimed in claim 21, the wherein κ-Al2O3Layer further comprises α-Al2O3A kind of mixture.
Compression stress situation when 26. the cutting insert of the coating described in claim 1, the wherein ZrCN or HfCN outer layers have a kind of deposition.
Compression stress situation when 27. the cutting insert of the coating described in claim 12, the wherein ZrCN or HfCN outer layers have a kind of deposition.
CN201210461817XA 2011-11-18 2012-11-16 Coated cutting empiecement and method for manufacturing the same Pending CN103121115A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US13/300,268 US8668982B2 (en) 2009-11-10 2011-11-18 Coated cutting insert and method for making the same
US13/300,268 2011-11-18

Publications (1)

Publication Number Publication Date
CN103121115A true CN103121115A (en) 2013-05-29

Family

ID=48222127

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201210461817XA Pending CN103121115A (en) 2011-11-18 2012-11-16 Coated cutting empiecement and method for manufacturing the same

Country Status (2)

Country Link
CN (1) CN103121115A (en)
DE (1) DE102012022466A1 (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106670516A (en) * 2016-12-26 2017-05-17 深圳正峰印刷有限公司 Cutter and film coating technology thereof
CN107570772A (en) * 2017-09-07 2018-01-12 株洲钻石切削刀具股份有限公司 A kind of surface has the cutting tip of a variety of different coatings
CN107931617A (en) * 2017-11-21 2018-04-20 江苏雨燕模业科技有限公司 A kind of compound material cutter based on automobile die production and preparation method thereof
CN110678579A (en) * 2017-06-20 2020-01-10 山特维克知识产权股份有限公司 Coated cutting tool
CN110670019A (en) * 2019-10-14 2020-01-10 四川大学 Anti-crater wear aluminum-titanium-zirconium-nitrogen and aluminum oxide multilayer composite coating and preparation method thereof

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102021126780A1 (en) 2021-10-15 2023-04-20 Schaeffler Technologies AG & Co. KG Method and device for processing tool data

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2000317705A (en) * 1999-05-13 2000-11-21 Mitsubishi Materials Corp Cutting tool made of surface coating tungsten carbide group cemented carbide alloy having hard coating layer exhibiting excellent abrasion-resistance
US6224968B1 (en) * 1996-10-09 2001-05-01 Widia Gmbh Composite body, production process and use
US6884496B2 (en) * 2001-03-27 2005-04-26 Widia Gmbh Method for increasing compression stress or reducing internal tension stress of a CVD, PCVD or PVD layer and cutting insert for machining
CN101151115A (en) * 2005-03-29 2008-03-26 住友电工硬质合金株式会社 Replacement cutter tip and method of manufacturing the same
US20090004449A1 (en) * 2007-06-28 2009-01-01 Zhigang Ban Cutting insert with a wear-resistant coating scheme exhibiting wear indication and method of making the same
US20090004440A1 (en) * 2007-06-28 2009-01-01 Zhigang Ban Cutting insert with a wear-resistant coating scheme exhibiting wear indication and method of making the same
JP2009255233A (en) * 2008-04-17 2009-11-05 Mitsubishi Materials Corp Surface coated cutting tool
US20110107679A1 (en) * 2009-11-10 2011-05-12 Kennametal Inc. Coated cutting insert and method for making the same

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19719195A1 (en) 1997-05-09 1998-11-12 Widia Gmbh Cutting insert for machining and method for producing this cutting insert

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6224968B1 (en) * 1996-10-09 2001-05-01 Widia Gmbh Composite body, production process and use
JP2000317705A (en) * 1999-05-13 2000-11-21 Mitsubishi Materials Corp Cutting tool made of surface coating tungsten carbide group cemented carbide alloy having hard coating layer exhibiting excellent abrasion-resistance
US6884496B2 (en) * 2001-03-27 2005-04-26 Widia Gmbh Method for increasing compression stress or reducing internal tension stress of a CVD, PCVD or PVD layer and cutting insert for machining
CN101151115A (en) * 2005-03-29 2008-03-26 住友电工硬质合金株式会社 Replacement cutter tip and method of manufacturing the same
US20090004449A1 (en) * 2007-06-28 2009-01-01 Zhigang Ban Cutting insert with a wear-resistant coating scheme exhibiting wear indication and method of making the same
US20090004440A1 (en) * 2007-06-28 2009-01-01 Zhigang Ban Cutting insert with a wear-resistant coating scheme exhibiting wear indication and method of making the same
JP2009255233A (en) * 2008-04-17 2009-11-05 Mitsubishi Materials Corp Surface coated cutting tool
US20110107679A1 (en) * 2009-11-10 2011-05-12 Kennametal Inc. Coated cutting insert and method for making the same

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106670516A (en) * 2016-12-26 2017-05-17 深圳正峰印刷有限公司 Cutter and film coating technology thereof
CN106670516B (en) * 2016-12-26 2019-07-26 深圳正峰印刷有限公司 Cutter and its coating process
CN110678579A (en) * 2017-06-20 2020-01-10 山特维克知识产权股份有限公司 Coated cutting tool
CN110678579B (en) * 2017-06-20 2021-12-10 山特维克知识产权股份有限公司 Coated cutting tool
CN107570772A (en) * 2017-09-07 2018-01-12 株洲钻石切削刀具股份有限公司 A kind of surface has the cutting tip of a variety of different coatings
CN107570772B (en) * 2017-09-07 2020-04-28 株洲钻石切削刀具股份有限公司 Cutting insert having a plurality of different coatings on a surface thereof
CN107931617A (en) * 2017-11-21 2018-04-20 江苏雨燕模业科技有限公司 A kind of compound material cutter based on automobile die production and preparation method thereof
CN110670019A (en) * 2019-10-14 2020-01-10 四川大学 Anti-crater wear aluminum-titanium-zirconium-nitrogen and aluminum oxide multilayer composite coating and preparation method thereof

Also Published As

Publication number Publication date
DE102012022466A1 (en) 2013-05-23

Similar Documents

Publication Publication Date Title
JP6853327B2 (en) Cutting tools
RU2465098C2 (en) Hard metal tip
US7887935B2 (en) Cutting insert having ceramic coating
EP3085478B1 (en) Coated tool
CN103121115A (en) Coated cutting empiecement and method for manufacturing the same
CN109500414B (en) Coated cutting tool
CN102612570B (en) Coated cutting insert and method for making the same
JP5918457B1 (en) Coated tool
EP3040143A1 (en) Coated tool
US20140287229A1 (en) Coatings for cutting tools
US9365925B2 (en) Multilayer structured coatings for cutting tools
JP6556246B2 (en) Coated tool
JP6522985B2 (en) Coated tools
JP2015085417A (en) Coated tool
US8668982B2 (en) Coated cutting insert and method for making the same
JP5898394B1 (en) Coated tool
JP3963149B2 (en) Surface coated cemented carbide cutting tool with excellent chipping resistance with hard coating layer under high speed heavy cutting conditions
JP2004174615A (en) Surface covering cemented carbide cutting tool having hard covering layer exhibiting excellent chipping resistance under high speed multiple cutting conditions
JP2004090095A (en) Cutting tool made of surface coated cemented carbide for exhibiting high chipping and wear resistance with hard coating layer in high-speed heavy cutting condition
JP2004090182A (en) Cutting tool made from surface coated cemented carbide for exhibiting high chipping resistance with hard coating layer in high-speed deep cut condition
JP2004066436A (en) Surface-covered cemented carbide cutting tool whose hard covering layer exhibits good chipping resistance and wear resistance in high-speed heavy cutting condition

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
C05 Deemed withdrawal (patent law before 1993)
WD01 Invention patent application deemed withdrawn after publication

Application publication date: 20130529