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1. 发明公开

EP3763465A1 SURFACE-COATED CUTTING TOOL AND METHOD FOR PRODUCING SAME 审中-实审
公开(公告)号：EP3763465A1
公开(公告)日：2021-01-13
申请号：EP18908401.5
申请日：2018-10-16
申请人： Sumitomo Electric Hardmetal Corp.
发明人： FUKUI, Haruyo , SETOYAMA, Makoto , TANAKA, Keizo , YOSHIMURA, Kouhei
IPC分类号： B23B27/14 , B23B51/00 , B23C5/16 , B23D77/00 , B23F21/00 , B23G5/06 , C23C14/06
摘要： A surface coated cutting tool comprises a base material and a coating layer that coats the base material, the coating layer including an alternate layer composed of a first unit layer and a second unit layer alternately stacked, the first unit layer being composed of a nitride containing aluminum and zirconium, in the first unit layer, when the total number of metal atoms constituting the first unit layer is represented as 1, a ratio thereto of the number of atoms of the zirconium being not less than 0.65 and not more than 0.95, the second unit layer being composed of a nitride containing titanium and aluminum, in the second unit layer, when the total number of metal atoms constituting the second unit layer is represented as 1, a ratio thereto of the number of atoms of the aluminum being larger than 0.40 and not more than 0.70.

2. 发明公开

EP3269479A1 SURFACE-COATED CUTTING TOOL AND MANUFACTURING METHOD THEREFOR 有权
标题翻译：表面涂层切削工具及其制造方法
公开(公告)号：EP3269479A1
公开(公告)日：2018-01-17
申请号：EP17774043.8
申请日：2017-03-02
申请人： Sumitomo Electric Hardmetal Corp.
发明人： TAKESHITA, Hiroki , MISUMI, Shuhei , FUKUI, Haruyo , IMAMURA, Shinya , HIROSE, Kazuhiro
IPC分类号： B23B27/14 , B23B51/00 , B23C5/16 , C23C14/06 , B23D77/00 , B23F21/00 , B23G5/06
CPC分类号： B23B27/14 , B23B51/00 , B23B2228/105 , B23C5/16 , B23D77/00 , B23F21/00 , B23G5/06 , C23C14/024 , C23C14/06 , C23C14/0641 , C23C14/0664 , C23C14/325 , C23C14/35 , C23C28/044 , C23C28/42 , C23C28/44 , C23C30/005
摘要： A surface-coated cutting tool includes a base material and a coating film formed on a surface of the base material. The coating film includes a first alternating layer and a second alternating layer formed on the first alternating layer. The first alternating layer includes first and second layers. The second alternating layer includes third and fourth layers. One or a plurality of the first layers and one or a plurality of the second layers are layered alternately, and one or a plurality of the third layers and one or a plurality of the fourth layers are layered alternately. Each of the one or plurality of the first layers is composed of a nitride or carbonitride of Al a Cr b M1 1 - a-b . Each of the one or plurality of the second layers is composed of a nitride or carbonitride of Al c Ti d M2 1-c-d . Each of the one or plurality of the third layers is composed of a nitride or carbonitride of Al e Ti f M3 1-e-f . Each of the one or plurality of the fourth layers is composed of a nitride or carbonitride of Al g Ti h M4 1-g-h . Each of the M1, the M2, the M3, and the M4 is one or more elements selected from a group consisting of a group 4 element, a group 5 element, a group 6 element except Cr and Ti in a periodic table, Si, and B.
摘要翻译：表面被覆切削工具包括基材和形成在该基材的表面上的涂膜。涂膜包括形成在第一交替层上的第一交替层和第二交替层。第一交替层包括第一和第二层。第二交替层包括第三和第四层。一个或多个第一层和一个或多个第二层交替层叠，并且一个或多个第三层和一个或多个第四层交替层叠。一个或多个第一层中的每一个由AlaCrbM11-a-b的氮化物或碳氮化物组成。一个或多个第二层中的每一个由AlcTidM21-c-d的氮化物或碳氮化物组成。一个或多个第三层中的每一个由AleTifM31-e-f的氮化物或碳氮化物组成。一个或多个第四层中的每一个由AlgTihM41-g-h的氮化物或碳氮化物组成。 M1，M2，M3和M4中的每一个是选自由元素周期表中的第4族元素，第5族元素，除Cr和Ti以外的第6族元素组成的组中的一种或多种元素，Si，和B.

3. 发明公开

EP3808477A1 SURFACE-COATED CUTTING TOOL AND PROCESS FOR PRODUCING SAME 有权
公开(公告)号：EP3808477A1
公开(公告)日：2021-04-21
申请号：EP19820380.4
申请日：2019-03-08
申请人： Sumitomo Electric Hardmetal Corp.
发明人： TAKESHITA, Hiroki , SETOYAMA, Makoto , FUKUI, Haruyo
IPC分类号： B23B27/14 , B23B51/00 , B23C5/16 , C23C14/06
摘要： A surface-coated cutting tool includes a base material and a coating film provided on a surface of the base material, wherein the coating film includes a first alternating layer provided on the base material and a second alternating layer provided on the first alternating layer, the first alternating layer includes A and B layers, the second alternating layer includes C and D layers, one or a plurality of the A layers and one or a plurality of the B layers are layered alternately, one or a plurality of the C layers and one or a plurality of the D layers are layered alternately, each of the one or plurality of the A layers is composed of a nitride or carbonitride of Al a Cr b M1 (1-a-b) , each of the one or plurality of the B layers is composed of a nitride or carbonitride of Al c Ti d M2 (1-c-d) , each of the one or plurality of the C layers is composed of a nitride or carbonitride of Ti e Si f M3 (1-e-f) , and each of the one or plurality of the D layers is composed of a nitride or carbonitride of Ti g Si h M4 (1-g-h) .

4. 发明公开

EP3769875A1 SURFACE COATED CUTTING TOOL 审中-公开
公开(公告)号：EP3769875A1
公开(公告)日：2021-01-27
申请号：EP19770722.7
申请日：2019-01-30
申请人： Sumitomo Electric Hardmetal Corp.
发明人： YOSHIMURA, Kouhei , FUKUI, Haruyo , SETOYAMA, Makoto , TANAKA, Keizo
IPC分类号： B23B27/14 , B23B51/00 , B23C5/16 , C23C14/06
摘要： A surface-coated cutting tool includes: a substrate including a rake face and a flank face; a first coating film that coats the rake face; and a second coating film that coats the flank face, wherein the first coating film includes a first composite nitride layer at a region d1 on the rake face, the second coating film includes a second composite nitride layer at a region d2 on the flank face, the first composite nitride layer includes Ti 1-x1-y1 Al x1 Ta y1 C α1 N β1 , the second composite nitride layer includes Ti 1-x2-y2 Al x2 Ta y2 C α2 N β2 , in a case where the rake face and the flank face are connected via a cutting edge face, the region d1 is a region sandwiched between a boundary line between the rake face and the cutting edge face and an imaginary line D1 located on the rake face and separated by 200 µm from an imaginary ridgeline at which a plane obtained by extending the rake face crosses a plane obtained by extending the flank face, and the region d2 is a region sandwiched between a boundary line between the flank face and the cutting edge face and an imaginary line D2 located on the flank face and separated by 200 µm from the imaginary ridgeline, and in a case where the rake face and the flank face are connected via a ridgeline, the region d1 is a region sandwiched between the ridgeline and the imaginary line D1 located on the rake face and separated by 200 µm from the ridgeline, and the region d2 is a region sandwiched between the ridgeline and the imaginary line D2 located on the flank face and separated by 200 µm from the ridgeline.

5. 发明公开

EP3153259A1 SURFACE-COATED TOOL AND METHOD FOR MANUFACTURING SAME 有权
标题翻译：维多利亚州维多利亚州ZER HERSTELLUNG DAVON
公开(公告)号：EP3153259A1
公开(公告)日：2017-04-12
申请号：EP15803152.6
申请日：2015-05-19
申请人： Sumitomo Electric Hardmetal Corp.
发明人： TANAKA, Keizo , TAKESHITA, Hiroki , HIROSE, Kazuhiro , FUKUI, Haruyo
IPC分类号： B23B27/14 , B23B51/00 , B23C5/16 , C23C14/06
CPC分类号： B23B27/148 , B23B51/00 , B23B2224/00 , B23B2228/105 , B23C5/16 , B23C2224/00 , B23C2228/10 , C23C14/022 , C23C14/024 , C23C14/06 , C23C14/0641 , C23C14/325 , C23C28/042 , C23C28/044 , C23C28/42
摘要： A surface-coated tool (100) includes a substrate (101) and a coating film (110) formed on the substrate (101). The coating film (110) includes an alternate layer (112) in which one or more A layers (112a) and one or more B layers (112b) are alternately stacked. The A layer (112a) and the B layer (112b) each have a thickness not smaller than 2 nm and not greater than 100 nm. An average composition of the A layer (112a) is expressed as Ti a Al b Si c N (0.5 d Al c Si r N (0.4
摘要翻译：表面涂覆工具（100）包括基板（101）和形成在基板（101）上的涂膜（110）。涂膜（110）包括其中一个或多个A层（112a）和一个或多个B层（112b）交替堆叠的交替层（112）。 A层（112a）和B层（112b）各自具有不小于2nm且不大于100nm的厚度。 A层（112a）的平均组成表示为Ti a Al b Si c N（0.5

6. 发明公开

EP3960341A1 CUTTING TOOL 审中-公开
公开(公告)号：EP3960341A1
公开(公告)日：2022-03-02
申请号：EP20849544.0
申请日：2020-07-16
申请人： Sumitomo Electric Hardmetal Corp.
发明人： SETOYAMA, Makoto , IIDA, Momoko , FUKUI, Haruyo
IPC分类号： B23B27/14 , B23B27/20 , C04B35/5831 , C04B41/87 , C23C14/06
摘要： A cutting tool comprises a rake face and a flank face, the cutting tool being composed of a substrate made of a cubic boron nitride sintered material and a coating provided on the substrate, the cubic boron nitride sintered material including cubic boron nitride, the coating including a MAIN layer, in the MAIN layer, M representing a metal element including titanium, chromium, or both, the MAIN layer including crystal grains of M x Al 1-x N in the cubic crystal system, in the M x Al 1-x N, the metal element M having an atomic ratio x of 0.3 or more and 0.7 or less, the cubic boron nitride being contained at a ratio of 20% by volume or more with respect to the cubic boron nitride sintered material, when a cross section of the MAIN layer obtained when cut along a plane including a normal to the flank face is subjected to an electron backscattering diffraction image analysis using a field emission scanning microscope to determine a crystal orientation of each of the crystal grains of the M x Al 1-x N and a color map is created based thereon, then on the color map, the flank face having the MAIN layer occupied in area by 45% or more and less than 75% by crystal grains of the M x Al 1-x N having a (111) plane with a normal thereto extending in a direction within 25 degrees with respect to a direction in which a normal to the flank face extends, the MAIN layer having a residual stress of - 2 GPa or more and - 0.1 GPa or less.

7. 发明授权

EP2156912B1 SURFACE-COATED CUTTING TOOL 有权转让
标题翻译：表面涂层切削刀具
公开(公告)号：EP2156912B1
公开(公告)日：2011-08-17
申请号：EP08764563.6
申请日：2008-05-23
申请人： Sumitomo Electric Hardmetal Corp.
发明人： SHIBATA, Akihiko , FUKUI, Haruyo , IMAMURA, Shinya , KOBAYASHI, Akira
IPC分类号： B23B27/14 , B23B51/00 , B23C5/16 , C23C14/06
CPC分类号： C23C14/0641 , C23C14/0664 , C23C14/32 , C23C28/042 , C23C28/044 , C23C28/42 , C23C30/005 , Y10T428/24975 , Y10T428/26 , Y10T428/265 , Y10T428/30 , Y10T428/31678
摘要： Disclosed is a surface-coated cutting tool which comprises a base material and a coating film formed on the base material. The coating film comprises a composite super-multilayer film comprising at least one first super-multilayer film and at least one super-multilayer film laminated alternately. The first super-multilayer film is composed of at least one A1 layer and at least one B layer laminated alternately. The second super-multilayer film is composed of at least one A2 layer and at least one C layer laminated alternately. Each of the A1 layer and the A2 layer comprises any one selected from TiN, TiCN, TiAlN and TiAlCN. The layer B comprises TiSiN or TiSiCN. The C layer comprises AlCrN or AlCrCN.

8. 发明公开

EP4286082A1 CUTTING TOOL 审中-实审
公开(公告)号：EP4286082A1
公开(公告)日：2023-12-06
申请号：EP21944115.1
申请日：2021-06-02
申请人： Sumitomo Electric Hardmetal Corp. , SUMITOMO ELECTRIC INDUSTRIES, LTD.
发明人： TABAYASHI, Daiji , FUKUI, Haruyo , UEMURA, Shigeaki
IPC分类号： B23B27/14 , B23B27/20
摘要： Provided is a cutting tool comprising a base material and a film arranged on the base material, in which the film includes a hard carbon film on the outermost surface thereof, the hard carbon film includes a first region, the first region is a region sandwiched between the surface of the hard carbon film and an imaginary plane P at a distance of 40 nm from the surface to the base material side, and the sp2 component amount C2 and the sp3 component amount C3 in the first region exhibit a relationship of the following formula 1: C2 / C2 + C3 × 100 ≤ 2.0

9. 发明公开

EP4144465A1 CUTTING TOOL 有权
公开(公告)号：EP4144465A1
公开(公告)日：2023-03-08
申请号：EP21906071.2
申请日：2021-09-08
申请人： Sumitomo Electric Hardmetal Corp.
发明人： KOIKE, Sachiko , FUKUI, Haruyo , TSUDA, Keiichi
IPC分类号： B23B27/14 , C23C14/06
摘要： A cutting tool includes a substrate and a coating film that is disposed on the substrate, wherein the coating film includes a first layer composed of metal tungsten and hexagonal ditungsten carbide, and the first layer has an elastic deformation rate of 43.0 or more and 58.0 or less.

10. 发明公开

EP3865234A1 CUTTING TOOL AND MANUFACTURING METHOD THEREFOR 无效
公开(公告)号：EP3865234A1
公开(公告)日：2021-08-18
申请号：EP19871428.9
申请日：2019-07-10
申请人： Sumitomo Electric Hardmetal Corp.
发明人： FUKUI, Haruyo , SETOYAMA, Makoto , TANAKA, Keizo
IPC分类号： B23B27/14 , B23C5/16 , C23C14/06
摘要： A cutting tool includes: a substrate; and a coating film formed on the substrate, wherein the coating film includes a first layer formed on the substrate, and a second layer formed on the first layer, the first layer is composed of a boride including titanium as a component element, and the second layer is composed of a nitride including zirconium as a component element.

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