公开(公告)号：US11998993B2

公开(公告)日：2024-06-04

申请号：US17298966

申请日：2019-12-12

申请人： SUMITOMO ELECTRIC HARDMETAL CORP.

发明人： Susumu Okuno ,  Shinya Imamura ,  Yuki Rikiso ,  Yasuki Kido ,  Fumiyoshi Kobayashi

IPC分类号： B32B27/14 ,  B23B27/14 ,  B23C5/16 ,  C23C16/34 ,  C23C16/36 ,  C23C16/40 ,  C23C28/04

CPC分类号： B23B27/148 ,  B23C5/16 ,  C23C16/34 ,  C23C16/36 ,  C23C16/403 ,  C23C28/044 ,  B23B2224/04 ,  B23B2224/32 ,  B23B2224/36

摘要： A cutting tool comprises a substrate and a coating that coats the substrate, the coating including an α-alumina layer provided on the substrate, the α-alumina layer including crystal grains of α-alumina, the α-alumina layer including a lower portion and an upper portion, the upper portion being occupied in area at a ratio of 50% or more by crystal grains of α-alumina having a (006) plane with a normal thereto having a direction within ±15° with respect to a direction of the normal to the second interface, the lower portion being occupied in area at a ratio of 50% or more by crystal grains of α-alumina having a (110) plane with a normal thereto having a direction within ±15° with respect to the direction of the normal to the second interface, the α-alumina layer having a thickness of 3 μm or more and 20 μm or less.

公开(公告)号：US11731202B2

公开(公告)日：2023-08-22

申请号：US17234578

申请日：2021-04-19

申请人： KENNAMETAL INC.

发明人： Joern Kohlscheen

IPC分类号： C23C14/06 ,  B23C5/16 ,  B23B27/14 ,  C23C28/00 ,  C23C30/00

CPC分类号： B23B27/148 ,  B23B27/14 ,  B23C5/16 ,  C23C14/0641 ,  C23C28/42 ,  C23C30/005 ,  B23B2224/08 ,  B23B2224/36

摘要： A coating includes a first base layer including a nitride of at least Al and Cr, a second base layer including a nitride of at least Al and Cr overlying the first base layer, and an outermost indicator layer overlying the second base layer. The first base layer has a positive residual compressive stress gradient. The second base layer has substantially constant residual compressive stresses. The outermost indicator layer includes a nitride of Si and Me, wherein Me is at least one of Ti, Zr, Hf, and Cr. The outermost indicator layer has residual compressive stresses that are less than the residual compressive stresses of the second base layer.

公开(公告)号：US20190194077A1

公开(公告)日：2019-06-27

申请号：US16210950

申请日：2018-12-05

申请人： TUNGALOY CORPORATION

发明人： Shinya ORI

IPC分类号： C04B35/56 ,  C04B35/63 ,  C04B41/45 ,  C04B41/50 ,  B23B27/14

CPC分类号： C04B35/5626 ,  B22F1/0059 ,  B22F1/0074 ,  B22F3/1134 ,  B22F3/24 ,  B22F9/026 ,  B22F2005/001 ,  B22F2207/17 ,  B22F2998/10 ,  B22F2999/00 ,  B23B27/148 ,  B23B2224/04 ,  B23B2224/12 ,  B23B2224/28 ,  B23B2224/36 ,  B23B2228/04 ,  C04B35/6303 ,  C04B41/4531 ,  C04B41/5031 ,  C04B41/52 ,  C04B2235/3839 ,  C04B2235/3843 ,  C04B2235/3856 ,  C04B2235/3886 ,  C04B2235/5436 ,  C04B2235/783 ,  C04B2235/786 ,  C04B2235/85 ,  C04B2235/96 ,  C22C29/08 ,  C23C16/0272 ,  C23C16/34 ,  C23C16/36 ,  C23C16/403 ,  C23C28/042 ,  C23C28/044 ,  B22F3/1028 ,  B22F9/04 ,  B22F3/02 ,  B22F3/10 ,  B22F2003/242

摘要： A cemented carbide comprising a predetermined hard phase, a predetermined binder phase and a predetermined composite compound phase, wherein: a content ratio of each of the hard phase, the binder phase and the composite compound phase based on total contents of the hard phase, the binder phase and the composite compound phase in the cemented carbide falls within a predetermined range; and the composite compound phase comprises an aggregate containing a small-diameter aggregate which satisfies a predetermined condition and a large-diameter aggregate which satisfies a predetermined condition.

公开(公告)号：US20180272433A1

公开(公告)日：2018-09-27

申请号：US15890663

申请日：2018-02-07

申请人： TUNGALOY CORPORATION

发明人： Yasutake SASAKI ,  Syunsuke MIYAZAWA ,  Yuichiro FUKUSHIMA

IPC分类号： B23B27/14 ,  B23B27/20 ,  C04B35/5831 ,  C04B35/63

CPC分类号： B23B27/148 ,  B23B27/145 ,  B23B27/20 ,  B23B2200/0428 ,  B23B2200/0433 ,  B23B2200/0452 ,  B23B2200/3618 ,  B23B2222/28 ,  B23B2224/04 ,  B23B2224/08 ,  B23B2224/12 ,  B23B2224/24 ,  B23B2224/28 ,  B23B2224/32 ,  B23B2224/36 ,  B23B2226/125 ,  C04B35/5831 ,  C04B35/6303 ,  C04B2235/3217 ,  C04B2235/3244 ,  C04B2235/3813 ,  C04B2235/3821 ,  C04B2235/3843 ,  C04B2235/3847 ,  C04B2235/3856 ,  C04B2235/3873 ,  C04B2235/3886 ,  C04B2235/762

摘要： A cutting edge tip of a cubic boron nitride sintered body has improved joint strength to a substrate of a cemented carbide. A cutting edge tip of a cubic boron nitride sintered body has improved crater wear resistance. A tool 10 of the present invention includes a substrate 12 of a cemented carbide and a cutting edge tip 14 of a cubic boron nitride sintered body joined to the substrate 12. The cutting edge tip 14 has a thickness covering an upper surface 12a to a lower surface 12b of the substrate 12. The cubic boron nitride sintered body contains 50 volume % or more and 95 volume % or less of cubic boron nitride and 5 volume % or more and 50 volume % or less of a binder phase. The cubic boron nitride has an average grain size of 1.0 μm or more and 6.0 μm or less.

公开(公告)号：US09950373B2

公开(公告)日：2018-04-24

申请号：US14653627

申请日：2013-12-20

申请人： SANDVIK INTELLECTUAL PROPERTY AB

发明人： Carl Bjormander

IPC分类号： B23B27/14 ,  C23C16/36 ,  C23C16/40 ,  C23C16/56 ,  C23C28/04 ,  B05D3/06

CPC分类号： B23B27/14 ,  B05D3/06 ,  B23B27/141 ,  B23B2224/04 ,  B23B2224/28 ,  B23B2224/32 ,  B23B2224/36 ,  B23B2228/04 ,  B23B2228/08 ,  B23B2228/10 ,  C23C16/36 ,  C23C16/403 ,  C23C16/56 ,  C23C28/04 ,  C23C28/042 ,  C23C28/044

摘要： A coated cutting tool includes a substrate having a rake side, a clearance side and a cutting edge and a coating comprising a first layer and a second layer. The second layer has a sandwich structure of an inner layer, an intermediate layer and an outer layer, wherein the inner layer is exposed through an opening in the outer layer, the opening extending over at least a portion of the width of the cutting edge. Thereby, a double layer is provided in critical areas, whereas a single layer is provided in other areas. The double oxide layer is an aluminum oxide layer. A method for manufacturing the coated cutting tool is also provided.

公开(公告)号：US20170216930A1

公开(公告)日：2017-08-03

申请号：US15514703

申请日：2015-09-29

申请人： MITSUBISHI MATERIALS CORPORATION

发明人： Kenichi SATO ,  Sho TATSUOKA ,  Kenji YAMAGUCHI

IPC分类号： B23B27/14 ,  C30B23/08 ,  C30B29/38 ,  C23C14/06

CPC分类号： B23B27/148 ,  B23B2224/28 ,  B23B2224/32 ,  B23B2224/36 ,  B23B2228/04 ,  B23B2228/36 ,  C23C14/0641 ,  C23C14/0664 ,  C23C16/0272 ,  C23C16/32 ,  C23C16/34 ,  C23C16/36 ,  C23C16/403 ,  C23C28/042 ,  C23C28/044 ,  C30B23/08 ,  C30B29/38

摘要： A surface-coated cutting tool has a hard coating layer and a tool body, which is coated with a lower layer including a TiCN layer having at least an NaCl type face-centered cubic crystal structure and an upper layer formed of a TiAlCN layer having a single phase crystal structure of NaCl type face-centered cubic crystals or a mixed phase crystal structure of NaCl type face-centered cubic crystals and hexagonal crystals. The tool body is further coated with an outermost surface layer including an Al2O3 layer, when the layer of a complex nitride or complex carbonitride of Ti and Al is expressed by the composition formula: (Ti1-xAlx)(CyN1-y), the average amount Xave of Al in Ti and Al and the average amount Yave of C in C and N (both Xave and Yave are atomic ratios) respectively satisfy 0.60≦Xave≦0.95 and 0≦Yave≦0.005.

公开(公告)号：US20150064453A1

公开(公告)日：2015-03-05

申请号：US14389282

申请日：2013-04-11

申请人： SUMITOMO ELECTRIC HARDMETAL CORP.

发明人： Shinya Imamura ,  Takahiro Ichikawa ,  Susumu Okuno ,  Hideaki Kanaoka ,  Keiichi Tsuda

IPC分类号： B23B27/14 ,  B23C5/16

CPC分类号： B23B27/14 ,  B23B2222/28 ,  B23B2224/32 ,  B23B2224/36 ,  B23C5/16 ,  B23C2222/28 ,  B23C2224/32 ,  B23C2224/36 ,  C23C14/0641 ,  C23C14/0658 ,  C23C14/0664 ,  C23C14/325 ,  C23C16/34 ,  C23C16/36 ,  C23C16/403 ,  C23C28/042 ,  C23C28/044 ,  C23C28/048 ,  Y10T428/265 ,  Y10T428/31678

摘要： A surface-coated cutting tool of the present invention includes a base material and a coating formed on the base material, the coating includes one or two or more layers, a layer among these layers that abuts on the base material is a TiN layer, the TiN layer contains at least one element together with TiN, the element has a concentration distribution in a thickness direction of the TiN layer, and the concentration distribution includes a region where the concentration of the element decreases in a direction from the base material toward a surface of the coating.

摘要翻译： 本发明的表面涂层切削工具包括基材和形成在基材上的涂层，涂层包括一层或两层或更多层，这些层中邻接在基材上的层是TiN层， TiN层与TiN一起含有至少一种元素，元素在TiN层的厚度方向上具有浓度分布，并且浓度分布包括元素浓度从基材朝向表面的方向减小的区域 的涂层。

公开(公告)号：US08178220B2

公开(公告)日：2012-05-15

申请号：US11579138

申请日：2005-02-28

申请人： Katsumi Okamura ,  Satoru Kukino ,  Tomohiro Fukaya

发明人： Katsumi Okamura ,  Satoru Kukino ,  Tomohiro Fukaya

IPC分类号： B32B9/00

CPC分类号： B23B27/141 ,  B23B2200/283 ,  B23B2224/32 ,  B23B2224/36 ,  B23B2228/10 ,  B23P15/28 ,  C04B41/009 ,  C04B41/5063 ,  C04B41/5068 ,  C04B41/87 ,  Y10T407/27 ,  Y10T428/24355 ,  Y10T428/24372 ,  Y10T428/24777 ,  C04B35/5831 ,  C04B41/4529 ,  C04B41/5061 ,  C04B41/5066 ,  C04B41/5057 ,  C04B41/5062

摘要： A surface-covered CBN sintered body tool includes a base material formed with a cubic boron nitride (CBN) sintered body and a surface covering film covering a surface of the base material, and has a nega-land exposing the CBN sintered body in at least a portion thereof and a flank having the surface covering film formed thereon. With this, the surface-covered CBN sintered body tool having high defect resistance and wear resistance can be provided. The surface covering film preferably includes a nitride or a carbonitride of a compound including at least one element selected from the group consisting of Ti, Cr, Zr, and V and at least one element selected from the group consisting of Al, Si and B, or a nitride or a carbonitride of Ti.

摘要翻译： 表面覆盖的CBN烧结体工具包括由立方氮化硼（CBN）烧结体形成的基材和覆盖基材的表面的表面覆盖膜，并且具有至少暴露CBN烧结体的阴极 其一部分和具有形成在其上的表面被覆膜的侧面。 因此，可以提供具有高抗缺陷性和耐磨性的表面覆盖的CBN烧结体工具。 表面被覆膜优选包括包含选自Ti，Cr，Zr和V中的至少一种元素的化合物的氮化物或碳氮化物，以及选自Al，Si和B中的至少一种元素， 或Ti的氮化物或碳氮化物。

公开(公告)号：US20110059311A1

公开(公告)日：2011-03-10

申请号：US12848892

申请日：2010-08-02

申请人： Stephen Dole ,  Dwight Dyer ,  Rajeev Pakalapati ,  James McHale

发明人： Stephen Dole ,  Dwight Dyer ,  Rajeev Pakalapati ,  James McHale

IPC分类号： C04B35/5831 ,  C04B35/58 ,  C04B35/56 ,  B32B5/16 ,  C04B35/10 ,  B32B18/00

CPC分类号： B23B27/148 ,  B23B2222/04 ,  B23B2224/04 ,  B23B2224/28 ,  B23B2224/32 ,  B23B2224/36 ,  B23B2226/125 ,  C04B35/5831 ,  C04B35/6303 ,  C04B35/645 ,  C04B2235/3217 ,  C04B2235/3804 ,  C04B2235/3813 ,  C04B2235/3843 ,  C04B2235/3856 ,  C04B2235/386 ,  C04B2235/3865 ,  C04B2235/3886 ,  C04B2235/402 ,  C04B2235/5436 ,  C04B2235/5445 ,  C04B2235/5472 ,  C04B2235/762 ,  C04B2235/786 ,  C04B2235/80 ,  Y10T428/252

摘要： A sintered cubic boron nitride (cBN) compact for use in a tool is obtained by sintering a mixture of (i) cubic boron nitride, (ii) aluminum oxide, (iii) one or more refractory metal compounds, and (iv) aluminum and/or one or more non-oxide aluminum compounds. The sintered bodies may have sufficient strength and toughness to be used as a tool material in solid, i.e. not carbide supported, form, and may be useful in heavy machining of cast irons.

摘要翻译： 通过烧结（i）立方氮化硼，（ii）氧化铝，（iii）一种或多种难熔金属化合物和（ⅳ）铝和/或其混合物的混合物，获得用于工具的烧结立方氮化硼（cBN） /或一种或多种非氧化铝化合物。 烧结体可以具有足够的强度和韧性，用作固体即不是碳化物支撑的模具的工具材料，并且可用于铸铁的重型加工。

公开(公告)号：US07758976B2

公开(公告)日：2010-07-20

申请号：US11631002

申请日：2006-05-30

申请人： Satoru Kukino ,  Yoshihiro Kuroda ,  Tomohiro Fukaya ,  Katsumi Okamura

发明人： Satoru Kukino ,  Yoshihiro Kuroda ,  Tomohiro Fukaya ,  Katsumi Okamura

IPC分类号： B32B9/00

CPC分类号： C04B41/87 ,  B23B27/141 ,  B23B27/145 ,  B23B2200/242 ,  B23B2224/04 ,  B23B2224/24 ,  B23B2224/32 ,  B23B2224/36 ,  B23B2226/125 ,  B23B2226/18 ,  B23B2228/10 ,  C04B35/58007 ,  C04B35/58014 ,  C04B35/58021 ,  C04B35/58028 ,  C04B35/581 ,  C04B35/5831 ,  C04B35/6348 ,  C04B35/645 ,  C04B37/005 ,  C04B37/006 ,  C04B37/026 ,  C04B41/009 ,  C04B41/4529 ,  C04B41/5062 ,  C04B2235/3217 ,  C04B2235/3804 ,  C04B2235/3813 ,  C04B2235/3839 ,  C04B2235/3843 ,  C04B2235/3852 ,  C04B2235/386 ,  C04B2235/3865 ,  C04B2235/3873 ,  C04B2235/3886 ,  C04B2235/3895 ,  C04B2235/402 ,  C04B2235/5436 ,  C04B2235/656 ,  C04B2235/661 ,  C04B2235/72 ,  C04B2235/721 ,  C04B2235/723 ,  C04B2235/786 ,  C04B2235/79 ,  C04B2235/80 ,  C04B2235/9607 ,  C04B2237/124 ,  C04B2237/125 ,  C04B2237/36 ,  C04B2237/361 ,  C04B2237/368 ,  Y10T428/265 ,  C04B41/5057 ,  C04B41/5063 ,  C04B41/5068 ,  C04B41/5061 ,  C04B35/117 ,  C04B35/583

摘要： In high efficiency cutting of very hard and hard-to-cut ferrous materials, compared with conventional cBN sintered body tools, the fatigue life of the machined part is improved and a longer lasting tool is provided by controlling the production of the affected layer by machining formed on the machined surface of the workpiece to be cut and by promoting residual of compression stress.The cBN sintered body related to the present invention has not less than 60% and not more than 95% of cBN components in volume, and has a thermal conductivity of 70 W/m·K or more; and the outermost surface thereof is coated with a heat resistant film comprising a compound of at least one element selected from 4a, 5a, 6a group elements and Al, and at least one element selected from C, N and O.

摘要翻译： 与传统的cBN烧结体工具相比，在非常硬且难切割的铁质材料的高效切割中，加工部件的疲劳寿命得到改善，并且通过加工来控制受影响层的生产，提供更持久的工具 形成在待切割工件的加工表面上，并且通过促进残余的压缩应力。 本发明涉及的cBN烧结体的cBN成分的体积不小于60％且不超过95％，导热率为70W / m·K以上。 并且其最外表面涂覆有包含选自4a，5a，6a族元素和Al的至少一种元素的化合物和选自C，N和O的至少一种元素的耐热膜。