JP5529771B2 - 切削工具インサート - Google Patents
切削工具インサート Download PDFInfo
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- JP5529771B2 JP5529771B2 JP2011006185A JP2011006185A JP5529771B2 JP 5529771 B2 JP5529771 B2 JP 5529771B2 JP 2011006185 A JP2011006185 A JP 2011006185A JP 2011006185 A JP2011006185 A JP 2011006185A JP 5529771 B2 JP5529771 B2 JP 5529771B2
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- tic
- cutting tool
- tool insert
- cutting
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- 238000005520 cutting process Methods 0.000 title claims description 97
- 238000000576 coating method Methods 0.000 claims description 41
- 239000011248 coating agent Substances 0.000 claims description 37
- 229910018072 Al 2 O 3 Inorganic materials 0.000 claims description 34
- 239000000758 substrate Substances 0.000 claims description 14
- 239000000203 mixture Substances 0.000 claims description 11
- 239000000463 material Substances 0.000 claims description 10
- 150000001247 metal acetylides Chemical class 0.000 claims description 6
- 239000011230 binding agent Substances 0.000 claims description 5
- 230000000737 periodic effect Effects 0.000 claims description 5
- 229910000831 Steel Inorganic materials 0.000 claims description 4
- 239000010959 steel Substances 0.000 claims description 4
- UONOETXJSWQNOL-UHFFFAOYSA-N tungsten carbide Chemical compound [W+]#[C-] UONOETXJSWQNOL-UHFFFAOYSA-N 0.000 claims description 4
- 239000010410 layer Substances 0.000 description 104
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 49
- 239000010936 titanium Substances 0.000 description 22
- 229910052757 nitrogen Inorganic materials 0.000 description 16
- 239000004033 plastic Substances 0.000 description 15
- 229910052799 carbon Inorganic materials 0.000 description 13
- 239000002245 particle Substances 0.000 description 11
- 229910000963 austenitic stainless steel Inorganic materials 0.000 description 8
- 229910052758 niobium Inorganic materials 0.000 description 8
- 229910052715 tantalum Inorganic materials 0.000 description 8
- 239000004677 Nylon Substances 0.000 description 7
- 229920001778 nylon Polymers 0.000 description 7
- 238000003754 machining Methods 0.000 description 6
- 229910052719 titanium Inorganic materials 0.000 description 6
- 238000000034 method Methods 0.000 description 5
- 238000012805 post-processing Methods 0.000 description 5
- 239000007787 solid Substances 0.000 description 5
- 229910001220 stainless steel Inorganic materials 0.000 description 5
- 239000010935 stainless steel Substances 0.000 description 5
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 4
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 4
- 229910052751 metal Inorganic materials 0.000 description 4
- 239000002184 metal Substances 0.000 description 4
- 238000001878 scanning electron micrograph Methods 0.000 description 4
- 239000000126 substance Substances 0.000 description 4
- WEVYAHXRMPXWCK-UHFFFAOYSA-N Acetonitrile Chemical compound CC#N WEVYAHXRMPXWCK-UHFFFAOYSA-N 0.000 description 3
- 239000000853 adhesive Substances 0.000 description 3
- 230000001070 adhesive effect Effects 0.000 description 3
- 238000005229 chemical vapour deposition Methods 0.000 description 3
- 239000011247 coating layer Substances 0.000 description 3
- 230000006872 improvement Effects 0.000 description 3
- 229910009043 WC-Co Inorganic materials 0.000 description 2
- 238000005266 casting Methods 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 150000002739 metals Chemical class 0.000 description 2
- 229910018514 Al—O—N Inorganic materials 0.000 description 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 1
- DJPURDPSZFLWGC-UHFFFAOYSA-N alumanylidyneborane Chemical compound [Al]#B DJPURDPSZFLWGC-UHFFFAOYSA-N 0.000 description 1
- 238000000498 ball milling Methods 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000005422 blasting Methods 0.000 description 1
- 230000001680 brushing effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000010941 cobalt Substances 0.000 description 1
- 229910017052 cobalt Inorganic materials 0.000 description 1
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000032798 delamination Effects 0.000 description 1
- 238000005137 deposition process Methods 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 229910001039 duplex stainless steel Inorganic materials 0.000 description 1
- 238000000227 grinding Methods 0.000 description 1
- 238000009499 grossing Methods 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 150000004767 nitrides Chemical class 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000005245 sintering Methods 0.000 description 1
- 238000001694 spray drying Methods 0.000 description 1
- 238000004227 thermal cracking Methods 0.000 description 1
Images
Classifications
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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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B27/00—Tools for turning or boring machines; Tools of a similar kind in general; Accessories therefor
- B23B27/14—Cutting tools of which the bits or tips or cutting inserts are of special material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B27/00—Tools for turning or boring machines; Tools of a similar kind in general; Accessories therefor
- B23B27/14—Cutting tools of which the bits or tips or cutting inserts are of special material
- B23B27/141—Specially shaped plate-like cutting inserts, i.e. length greater or equal to width, width greater than or equal to thickness
- B23B27/145—Specially shaped plate-like cutting inserts, i.e. length greater or equal to width, width greater than or equal to thickness characterised by having a special shape
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C27/00—Alloys based on rhenium or a refractory metal not mentioned in groups C22C14/00 or C22C16/00
- C22C27/04—Alloys based on tungsten or molybdenum
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C16/00—Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition [CVD] processes
- C23C16/22—Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition [CVD] processes characterised by the deposition of inorganic material, other than metallic material
- C23C16/30—Deposition of compounds, mixtures or solid solutions, e.g. borides, carbides, nitrides
- C23C16/36—Carbonitrides
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C16/00—Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition [CVD] processes
- C23C16/22—Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition [CVD] processes characterised by the deposition of inorganic material, other than metallic material
- C23C16/30—Deposition of compounds, mixtures or solid solutions, e.g. borides, carbides, nitrides
- C23C16/40—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
- 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
- C23C28/048—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 with layers graded in composition or physical properties
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C28/00—Coating for obtaining at least two superposed coatings either by methods not provided for in a single one of groups C23C2/00 - C23C26/00 or by combinations of methods provided for in subclasses C23C and C25C or C25D
- C23C28/40—Coatings including alternating layers following a pattern, a periodic or defined repetition
- C23C28/42—Coatings including alternating layers following a pattern, a periodic or defined repetition characterized by the composition of the alternating layers
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C30/00—Coating with metallic material characterised only by the composition of the metallic material, i.e. not characterised by the coating process
- C23C30/005—Coating with metallic material characterised only by the composition of the metallic material, i.e. not characterised by the coating process on hard metal substrates
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B2200/00—Details of cutting inserts
- B23B2200/24—Cross section of the cutting edge
- B23B2200/245—Cross section of the cutting edge rounded
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B2224/00—Materials of tools or workpieces composed of a compound including a metal
- B23B2224/04—Aluminium oxide
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B2224/00—Materials of tools or workpieces composed of a compound including a metal
- B23B2224/32—Titanium carbide nitride (TiCN)
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B2228/00—Properties of materials of tools or workpieces, materials of tools or workpieces applied in a specific manner
- B23B2228/10—Coatings
-
- 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
- Y10T428/12—All metal or with adjacent metals
- Y10T428/12493—Composite; i.e., plural, adjacent, spatially distinct metal components [e.g., layers, joint, etc.]
- Y10T428/12535—Composite; i.e., plural, adjacent, spatially distinct metal components [e.g., layers, joint, etc.] with additional, spatially distinct nonmetal component
- Y10T428/12583—Component contains compound of adjacent metal
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- 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
-
- 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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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Inorganic Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Cutting Tools, Boring Holders, And Turrets (AREA)
- Chemical Vapour Deposition (AREA)
Description
8.75wtのCo、1.17wt%のTa、0.29wt%のNb、及び2.0μmの平均WC粒径を有するWC残部でなる化学組成を有する本発明にしたがう超硬合金の旋削加工用のインサートは、0.5μmのTiN(最内層)と、2.2μmの柱状Ti(C、N)と、0.5μmの等軸TiNと、250nm厚みのκAl2O3層と80Nm厚みのTiN層とを有する2.2μmの(κAl2O3+TiN)6κAl2O3の多層と、0.5μmのTiN+TiC+TiNの最外層と、で被覆された。この被膜は、切刃に沿って、SiC粒子を含むナイロンブラシで後処理された。最外層被膜は、a=0.1mmとb=0.05mmとにすくい面と逃げ面とに沿って除去された。
10.5wtのCo、1.16wt%のTa、0.28wt%のNb、及び1.7μmの平均粒径でなるWC残部を有する超硬合金の市販の旋削加工用のインサートは、0.5μmの等軸のTiN最内層と、4.0μmの柱状Ti(C、N)と、1.0μmのκAl2O3と、0.5μmのTiN+TiC+TiNの最外層と、で被覆された。この被膜は、切刃に沿って、SiC粒子を含むナイロンブラシで後処理された。最外層被膜は、a=0.025mmとb=0.05mmとになるよう切刃沿って従来技術にしたがって除去された。
9.15wtのCo、1.17wt%のTa、0.29wt%のNb、及び1.7μmの平均WC粒径を有するWC残部でなる化学組成を有する超硬合金の旋削加工用のインサートは、0.5μmのTiN(最内層)と、2.2μmの柱状TiCNと、1.8μmの(κAl2O3+TiN)5κAl2O3の多層と、0.5μmのTiNの最外層と、で被覆された。この被膜は、切刃に沿って、SiC粒子を含むナイロンブラシで後処理された。最外層被膜は、a=0.025mmとb=0.05mmとになるよう切刃沿って従来技術にしたがって除去された。
インサートCと同一の基材が、0.5μmのTiN(最内層)と、2.3μmの柱状Ti(C、N)と、1.9μmの(κAl2O3+TiN)3κAl2O3の多層と、0.5μmのTiNの最外層と、で被覆された。この被膜は、切刃に沿って、SiC粒子を含むナイロンブラシで後処理された。最外層被膜は、a=0.025mmとb=0.05mmとになるよう切刃沿って従来技術にしたがって除去された。
インサートCと同一の基材が、0.5μmの等軸のTiN最内層と、2.2μmの柱状Ti(C、N)と、1.5μmのκAl2O3と、0.5μmのTiN+TiC+TiNの最外層と、で被覆された。最外層被膜は、a=0.025mmとb=0.05mmとになるよう切刃沿って従来技術にしたがって除去された。
7.5wtのCo、2.72wt%のTa、0.44wt%のNb、1.83wt%のTi、0.09wt%のN、及び2.0μmの平均WC粒径のWC残部を有し、且つ豊富なバインダ相及び表面から26μmが立方晶炭化物のない領域でなる超硬合金の旋削加工用のインサートは、0.5μmのTiN(最内層)と、2.2μmの柱状Ti(C、N)と、0.5μmの等軸TiNと、2.2μmの(κAl2O3+TiN)6κAl2O3の多層と、0.5μmのTiN+TiC+TiNの最外層と、で被覆された。
7.5wtのCo、2.72wt%のTa、0.44wt%のNb、1.83wt%のTi、0.09wt%のN、及び2.0μmの平均WC粒径のWC残部を有し、且つ豊富なバインダ相及び表面から26μmが立方晶炭化物のない領域でなる超硬合金の旋削加工用のインサートは、0.5μmの等軸TiNの最内層と、7.5μmの柱状Ti(C、N)と、1.2μmのκAl2O3と、0.5μmのTiN+TiC+TiNの最外層と、で被覆された。
AとBとのインサートは、旋削加工操作によって試験をした。
操作:棒材の軸方向と面方向の旋削加工
加工物:オーステナイトステンレス鋼、AISI316L
切削速度:225m/分
送り速度:0.3mm/回転 切り込み深さ:2.0mm
インサート形式:CNMG120408−MM
結果: 工具寿命(分)
インサートA:(本発明) ca10
インサートB:(先行技術) ca6
この摩耗は、局部的な塑性変形により不規則に発達する。この実施例は、塑性変型の耐性に改良が見られた。
AとBとのインサートは、旋削加工操作によって試験をした。
操作:組立て部品の断続切削
加工物:オーステナイトステンレス鋼、AISI316L
切削速度:160m/分
送り速度:0.2〜0.3mm/回転
切り込み深さ:0.5〜1.5mm
インサート形式:SNMG120412−MR
結果: 工具寿命(分)
インサートA:(本発明) 8.2
インサートB:(先行技術) 4.2
AとBとのインサートは、旋削加工操作によって試験をした。
操作:鋳造リングの連続切削
加工物:オーステナイトステンレス鋼、AISI316L
切削速度:110m/分
送り速度:0.3mm/回転
切り込み深さ:3.5mm
インサート形式:CNMG120412−MR
結果: 工具寿命(分)
インサートA:(本発明) 18.6
インサートB:(先行技術) 12.4
AとBとのインサートは、旋削加工操作によって試験をした。
操作:ハウジングの連続切削
加工物:2相ステンレス鋼、SS2477
切削速度:110m/分
送り速度:0.3mm/回転
切り込み深さ:1.35mm
インサート形式:WNMG80412−MR
結果: 工具寿命(分)
インサートA:(本発明) 46
インサートB:(先行技術) 24
AとBとのインサートは、旋削加工操作によって試験をした。
操作:鋳物の断続切削
加工物:オーステナイトステンレス鋼、AISI316L
切削速度:150〜200m/分
送り速度:0.1〜0.15mm/回転
切り込み深さ:2.0mm
インサート形式:CNMG120412‐PR
結果: 工具寿命(事項)
インサートA:(本発明) 7
インサートB:(先行技術) 2
CとDとのインサートは、旋削加工操作によって試験をした。
操作:棒の面切削
加工物:オーステナイトステンレス鋼、AISI316L
切削速度:140m/分
送り速度:0.36mm/回転
切り込み深さ:最大4mm
インサート形式:CNMG120408‐MM
結果: 摩耗パターン
インサートC:(参照例) すくい面に限定された剥離(図4)
インサートD:(参照例) すくい面の広範囲に広がる剥離(図5)
CとEとのインサートは、旋削加工操作によって試験をした。
操作:面及び長さ方向を組合せた旋削加工
加工物:オーステナイトステンレス鋼、AISI316Ti
切削速度:100〜120m/分
送り速度:0.3mm/回転
切り込み深さ:2.0mm
インサート形式:CNMG120408‐MM
結果: 切削外側の合計損傷切刃
インサートC:(参照例) 11.5mm
インサートD:(先行技術) 14.7mm
CとEとのインサートは、旋削加工操作によって試験をした。
操作:面及び長さ方向を組合せた旋削加工
加工物:オーステナイトステンレス鋼、AISI304L
切削速度:225m/分
送り速度:0.3/回転
切り込み深さ:2.0mm
インサート形式:CNMG120408‐MM
結果: 工具寿命(分)
インサートC:(参照例) 18
インサートE:(先行技術) 13
FとGとのインサートは、旋削加工操作によって試験をした。
操作:鍛造した構成材の連続切削
加工物:オーステナイトステンレス鋼、AISI316L
切削速度:200m/分
送り速度:0.3mm/回転
切り込み深さ:2.0mm
インサート形式:CNMG120416‐MM
結果: 工具寿命(pcs)
インサートF:(本発明) 32
インサートG:(先行技術) 19
A B C D
本発明 先行技術 本発明外 本発明外
基材
Co/Ta/Nb(wt%) 8.75/1.17/0.29 10.5/1.16/0.28 9.15/1.17/0.29 9.15/1.17/0.29
Ti/N(wt%) -/- -/- -/- -/-
被膜
Ti/N(最内層) 0.5μm 0.5μm 0.5μm 0.5μm
Ti(C,N) 2.2μm 4.0μm 2.2μm 2.3μm
TiN 0.5μm − − −
(Al2O3/TiN)XAl2O3 2.2μm,X=6 1.0μm 1.8μm,X=5 1.9μm,X=3又は固体Al2O3 固体Al2O3
TiN+TiC+TiN 0.5μm 0.5μm 0.5μm 0.5μm
後処理 本発明 先行技術 先行技術 先行技術
結果
1塑性変形 10分 6分
(工具寿命)
2組合せ摩耗 8.2分 4.2分
(工具寿命)
3靭性と耐磨耗性 18.6分 12.4分
(工具寿命)
4靭性と粘着 46分 24分
(工具寿命)
5靭性 7項 2項
(項数)
6剥離 限定 広範囲
7切刃靭性 11.5mm
(損傷長さ)
8塑性変形 18分
(工具寿命)
9逃げ面摩耗と
塑性変形(項数)
E F G
先行技術 本発明 先行技術
基材
Co/Ta/Nb(wt%) 9.15/1.17/0.29 7.5/2.72/0.44 7.5/2.72/0.44
Ti/N(wt%) -/- 1.83/0.09 1.83/0.09
被膜
Ti/N(最内層) 0.5μm 0.5μm 0.5μm
Ti(C,N) 2.2μm 2.2μm 7.5μm
TiN − 0.5μm −
(Al2O3/TiN)XAl2O3 1.5μm 2.2μm,X=6 1.2μm
又は固体Al2O3 固体Al2O3 固体Al2O3
TiN+TiC+TiN 0.5μm 0.5μm 0.5μm
後処理 先行技術 本発明 先行技術
結果
1塑性変形
(工具寿命)
2組合せ摩耗
(工具寿命)
3靭性と耐磨耗性
(工具寿命)
4靭性と粘着
(工具寿命)
5靭性
(項数)
6剥離
7切刃靭性 14.7mm
(損傷長さ)
8塑性変形 13分
(工具寿命)
9逃げ面摩耗と 32項 19項
塑性変形(項数)
B 柱状Ti(C、N)
C TiN
D 多層(Al2O3+TiCXNYOZ)6Al2O3
E TiN+TiC+TiN
Claims (8)
- 超硬合金のボディと後処理被膜とからなる、鋼の旋削加工用の切削工具インサートであって、該被膜の合計厚みが2.0〜8.0μmであり、
− 第1の最内層帯は少なくとも二つの層のTiCXNYOZからなり、X+Y+Z≦1であり、該最内層帯は合計厚みが0.7〜4.5μmであり、
− 第2の多層帯は、合計で5〜31層からなり、Al2O3及びX+Y+Z≦1であるTiCXNYOZの層からなり、
前記Al2O3−層は個々の層厚みが<0.5μmであり、前記TiCXNYOZは個々の層厚みが0.02〜0.15μmであり、前記第2の多層帯は1.0〜4.0μmの合計厚みを有し、且つ
前記第2の多層帯が切刃線に沿ってすくい面と逃げ面とに向かって露出され、すくい面の露出aが0.03<a<0.9mmであり、逃げ面の露出bが0.02<b<0.2mmであり、且つa>bであり、
前記多層及び部分的な前記最内TiC X N Y O Z 層帯が、切刃に沿って露出されることを特徴とする超硬合金のボディと後処理被膜とからなる、鋼の旋削加工用の切削工具インサート。 - 前記最内層帯が、
X+Y+Z≦1であり、<0.5μmの大きさの等軸粒を有し、且つ合計厚みが<1.5μmで>0.1μmであるTiCXNYOZの第1の層と、
X+Y+Z≦1であり、0.4〜3.9μmの柱状粒の厚みを有するTiCXNYOZの第2の層と、
含むことを特徴とする請求項1記載の切削工具インサート。 - 前記最内層帯が、
X+Y+Z≦1であり、<0.5μmの大きさの等軸粒を有し、且つ<1.5μmであるが>0.1μmの合計厚みを有するTiCXNYOZの第3の層、
である請求項2記載の切削工具インサート。 - 前記最内層帯の厚みが、1.2〜4.0μmであることを特徴とする請求項1〜3のいずれか1に記載の切削工具インサート。
- X+Y+Z≦1であるTiCXNYOZまたはそれらの組合せ物の1層または複数層の多層の最上部の最外層帯を特徴とする請求項1〜4のいずれか1に記載の切削工具インサート。
- 該被膜の合計厚みが4.0〜7.0μmであることを特徴とする請求項1〜5のいずれか1に記載の切削工具インサート。
- 超硬合金の基材は、
7〜10.5wt%のCo、
0.2〜1.6wt%の立方晶炭化物、及び
1.5〜3.5μmの平均粒サイズの残部WC、
を含むことを特徴とする請求項1〜6のいずれか1に記載の切削工具インサート。 - 超硬合金の基材は、
立方晶炭化物が枯渇し且つ表面から5〜50μmの直近距離の面で豊富な容量のバインダを含み、且つ
7.0〜10.5wt%のCo、周期律表のIVb、VbまたはVIb族の元素からなる4.0〜9.0wt%の立方晶炭化物、及び残部タングステン炭化物WCと0.01〜0.2wt%の範囲の含有量のNとから成る基材組成を有する、
ことを特徴とする請求項1〜6のいずれか1に記載の切削工具インサート。
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EP (1) | EP1455003B1 (ja) |
JP (2) | JP2004223711A (ja) |
KR (1) | KR20040068476A (ja) |
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US6805944B2 (en) | 2001-03-26 | 2004-10-19 | Mitsubishi Materials Corporation | Coated cemented carbide cutting tool |
JP2002283110A (ja) * | 2001-03-27 | 2002-10-03 | Mitsubishi Materials Corp | 高速断続切削で切刃部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 |
US6689450B2 (en) * | 2001-03-27 | 2004-02-10 | Seco Tools Ab | Enhanced Al2O3-Ti(C,N) multi-coating deposited at low temperature |
JP4281262B2 (ja) * | 2001-06-11 | 2009-06-17 | 三菱マテリアル株式会社 | 粘性が高く、かつ切粉が切刃表面に溶着し易い難削材の高速切削加工で切粉に対してすぐれた表面潤滑性を発揮する表面被覆超硬合金製切削工具 |
-
2003
- 2003-01-24 SE SE0300175A patent/SE526603C3/sv unknown
- 2003-12-19 EP EP03029330.2A patent/EP1455003B1/en not_active Expired - Lifetime
-
2004
- 2004-01-19 KR KR1020040004007A patent/KR20040068476A/ko not_active Application Discontinuation
- 2004-01-20 CN CNB2004100024500A patent/CN100478498C/zh not_active Expired - Lifetime
- 2004-01-21 US US10/760,387 patent/US7153562B2/en not_active Expired - Lifetime
- 2004-01-26 JP JP2004017396A patent/JP2004223711A/ja not_active Withdrawn
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2011
- 2011-01-14 JP JP2011006185A patent/JP5529771B2/ja not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
SE0300175L (sv) | 2004-07-25 |
SE526603C2 (sv) | 2005-10-18 |
CN1517450A (zh) | 2004-08-04 |
SE526603C3 (sv) | 2005-11-16 |
US7153562B2 (en) | 2006-12-26 |
CN100478498C (zh) | 2009-04-15 |
SE0300175D0 (sv) | 2003-01-24 |
KR20040068476A (ko) | 2004-07-31 |
JP2011067948A (ja) | 2011-04-07 |
EP1455003A3 (en) | 2008-06-18 |
US20040180241A1 (en) | 2004-09-16 |
EP1455003B1 (en) | 2014-05-21 |
EP1455003A2 (en) | 2004-09-08 |
JP2004223711A (ja) | 2004-08-12 |
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