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    Method for processing difficult-to-cut cast iron
    1.
    发明授权
    Method for processing difficult-to-cut cast iron 有权
    加工难切割铸铁的方法

    公开(公告)号：US09016987B2

    公开(公告)日：2015-04-28

    申请号：US13504422

    申请日：2010-10-28

    申请人： Katsumi Okamura ,  Satoru Kukino ,  Tomohiro Fukaya

    发明人： Katsumi Okamura ,  Satoru Kukino ,  Tomohiro Fukaya

    IPC分类号： B23C3/02

    CPC分类号： B23C3/02 ,  B23C2222/14 ,  B23C2226/125 ,  Y10T407/26 ,  Y10T409/303808

    摘要： In a pilot hole of a workpiece made of a difficult-to-cut cast iron, a cutting tool having a leading end to which a cutting insert is attached is inserted to cut the surface of the wall of the pilot hole. At this time, the cutting tool rotates about an axis (α) and also revolves about another axis (β), so that contouring is performed on the workpiece by the tool. The cutting insert is formed of a sintered body having a CBN content of not less than 85% by volume, and the cutting insert has a thermal conductivity of not less than 100 W/(mK).

    摘要翻译： 在由难切割的铸铁制成的工件的导向孔中插入具有附接有切削刀片的前端的切削工具，以切割引导孔的壁的表面。 此时，切割工具围绕轴线（α）旋转并且还围绕另一轴线（＆bgr）旋转，使得通过工具在工件上进行轮廓加工。 切削刀片由CBN含量不小于85体积％的烧结体形成，切削刀片的热导率不低于100W /（mK）。

    Cubic Boron Nitride Sintered Body
    5.
    发明申请
    Cubic Boron Nitride Sintered Body 有权
    立方氮化硼烧结体

    公开(公告)号：US20080214383A1

    公开(公告)日：2008-09-04

    申请号：US10585647

    申请日：2005-01-07

    申请人： Michiko Matsukawa ,  Satoru Kukino ,  Tomohiro Fukaya

    发明人： Michiko Matsukawa ,  Satoru Kukino ,  Tomohiro Fukaya

    IPC分类号： C04B35/5831 ,  C04B35/50

    CPC分类号： C04B35/5831 ,  B22F2005/001 ,  C04B35/645 ,  C04B2235/3227 ,  C04B2235/3286 ,  C04B2235/3418 ,  C04B2235/3817 ,  C04B2235/3821 ,  C04B2235/3847 ,  C04B2235/40 ,  C04B2235/401 ,  C04B2235/402 ,  C04B2235/404 ,  C04B2235/405 ,  C04B2235/407 ,  C04B2235/5436 ,  C04B2235/72 ,  C04B2235/96 ,  C04B2235/9607 ,  C22C26/00

    摘要： The present invention provides a cubic boron nitride sintered body, which achieves both of superior chipping resistance and wear resistance.In accordance with a first aspect of the present invention, a cubic boron nitride (cBN) sintered body contains cubic boron nitride particles and a bonding material used for bonding the cBN particles to one another. This sintered body is constituted by cBN particles in a range from 70 vol % to 98 vol % and a residual bonding material made from a Co compound, an Al compound and WC and a solid solution of these. Moreover, the cBN particles in the sintered body contain 0.03 wt % or less of Mg and 0.001 wt % or more to 0.05 wt % or less of Li.In accordance with a second aspect of the present invention, the cubic boron nitride sintered body has a composition in which the bonding material of the first aspect is changed to an Al compound.

    摘要翻译： 本发明提供一种立方氮化硼烧结体，其具有优异的耐崩裂性和耐磨性。 根据本发明的第一方面，立方氮化硼（cBN）烧结体包含立方氮化硼颗粒和用于将cBN颗粒彼此粘合的接合材料。 该烧结体由70体积％〜98体积％范围的cBN颗粒和由Co化合物，Al化合物和WC及其固溶体制成的残留粘合材料构成。 此外，烧结体中的cBN粒子含有0.03重量％以下的Mg和0.001重量％以上至0.05重量％以下的Li。 根据本发明的第二方面，立方氮化硼烧结体具有将第一方面的接合材料变更为Al化合物的组成。

    Hard sintered body for tool
    6.
    发明授权
    Hard sintered body for tool 失效
    用于工具的硬质烧结体

    公开(公告)号：US6001757A

    公开(公告)日：1999-12-14

    申请号：US941454

    申请日：1997-09-30

    申请人： Tomohiro Fukaya ,  Tetsuo Nakai

    发明人： Tomohiro Fukaya ,  Tetsuo Nakai

    IPC分类号： C04B35/56 ,  C04B35/58 ,  C04B35/583 ,  C04B35/5831 ,  C22C29/16 ,  C04B35/5835

    CPC分类号： C04B35/5831

    摘要： A hard sintered body for a tool contains 25 to 47 vol. % of cBN, 40 to 70 vol. % and especially less than 45 vol. % in total of a carbo-nitride, and a boride of Ti, and 2 to 20 vol. % in total of a boride and a nitride of Al. In the carbo-nitride of Ti, the ratio of carbon to nitrogen is in the range of 60:40 to 30:70. In this hard sintered body, cBN particles are bonded to each other through binder phases. The obtained hard sintered body for a tool is excellent in wear resistance and chipping resistance for high-speed cutting of hardened steel.

    摘要翻译： 用于工具的硬质烧结体含有25〜47体积％ ％cBN，40〜70体积％ ％，特别是小于45体积。 碳氮化物的总和，Ti的硼化物和2〜20体积％。 总共有硼的百分比和Al的氮化物。 在Ti的碳氮化物中，碳与氮的比例在60:40至30:70的范围内。 在该硬质烧结体中，cBN颗粒通过粘结相相互结合。 得到的工具用硬质烧结体，对于硬化钢的高速切削，具有优异的耐磨性和耐崩裂性。

    Sintered body for high-hardness tools
    7.
    发明授权
    Sintered body for high-hardness tools 失效
    烧结体用于高硬度工具

    公开(公告)号：US5596156A

    公开(公告)日：1997-01-21

    申请号：US529639

    申请日：1995-09-18

    申请人： Tomohiro Fukaya ,  Tetsuo Nakai

    发明人： Tomohiro Fukaya ,  Tetsuo Nakai

    IPC分类号： C22C29/16 ,  B01J3/06 ,  B22F3/14 ,  B22F3/15 ,  C22C1/05 ,  C22C26/00 ,  C22C29/04

    CPC分类号： C22C26/00 ,  B01J3/062 ,  B01J2203/0645 ,  B01J2203/066 ,  B01J2203/0685 ,  C22C2026/005

    摘要： The invention provides a sintered body for high-hardness tools which, when used for cutting work of cast irons where the cutting edge undergoes high temperature and abrupt impact, holds high chip-off and abrasion resistances and exhibits good cutting performance. The sintered body for high-hardness tools is obtained by sintering 60 to 75% by volume of cubic boron nitride powder and remaining part of a binder powder under a superhigh pressure, the binder comprising 5 to 15% by weight of Al, and the remaining part comprising a compound represented by (Hf.sub.X Ti.sub.y M.sub.1-x-y)(C.sub.Z N.sub.1-z).sub..alpha. (where M denotes an element belonging to IVa, Va or VIa group in the periodic table except Ti and Hf, and where 0.1.ltoreq.x.ltoreq.0.5, 0.5.ltoreq.y.ltoreq.0.9, 0.7.ltoreq.z.ltoreq.0.9, and 0.6.ltoreq..alpha..ltoreq.0.8) or a mixture of a plurality of compounds that totally results in the aforementioned composition.

    摘要翻译： 本发明提供一种用于高硬度工具的烧结体，当用于切割边缘经受高温和突然冲击的铸铁的切割工作时，其具有高的切屑和耐磨性，并且具有良好的切削性能。 用于高硬度工具的烧结体通过在超高压下烧结60至75体积％的立方氮化硼粉末和剩余部分粘合剂粉末而获得，粘合剂包含5至15重量％的Al，剩余的 部分包括由（HfX y y 1-xy）（CZN 1-z）α表示的化合物（其中M表示除了Ti和Hf之外的元素周期表中属于IVa，Va或VIa基团的元素，其中0.1 < 0.5,0.5≤y≤0.9,0.7≤z≤0.9,0.6≤α≤0.8）或多个化合物的混合物，其总体上导致上述组成。

    Sintered body for high-accuracy working tools
    8.
    发明授权
    Sintered body for high-accuracy working tools 失效
    用于高精度工作工具的烧结体

    公开(公告)号：US5092920A

    公开(公告)日：1992-03-03

    申请号：US450849

    申请日：1989-12-13

    申请人： Tetsuo Nakai ,  Mitsuhiro Goto ,  Tomohiro Fukaya

    发明人： Tetsuo Nakai ,  Mitsuhiro Goto ,  Tomohiro Fukaya

    IPC分类号： C04B35/583 ,  B01J3/06 ,  C04B35/5831 ,  C22C26/00 ,  C22C29/00 ,  C22C29/02 ,  C22C29/04 ,  C22C29/16

    CPC分类号： B01J3/062 ,  C04B35/5831 ,  C22C26/00 ,  C22C29/02 ,  C22C29/16 ,  B01J2203/0645 ,  B01J2203/066 ,  B01J2203/0685 ,  C22C2026/005

    摘要： A sintered body for high-accuracy working tools is obtained by sintering powder mixture containing at least 45 percent by volume and not more than 60 percent by volume of cubic boron nitride powder having an average particle size of not more than 2 .mu.m and having a remainder formed of binder powder under a superhigh pressure. The binder contains at least 5 percent by weight and not more than 15 percent by weight of Al and at least 2 percent by weight and not more than 20 percent by weight of W, and has a binder remainder formed of a Ti compound or compounds. The atomic ratio of Ti contained in the binder to a transition metal element or elements belonging to any of the groups IVa, Va and/or VIa of the periodic table including Ti is at least 2/3 and not more than 97/100. In the structure of the sintered body, cubic boron nitride crystals are bonded with each other through bonding phases formed by the binder. When at least one or more Ti compounds are selected from a group of TiN.sub.z, Ti(C.sub.1-x N.sub.x).sub.z, (Ti,M) (C.sub.1-x N.sub.x ).sub.z and (Ti,M)N.sub.z, where M represents transition metal element or elements belonging to any of the groups IVa, Va and/or VIa of the periodic table excluding wherein z is within the range 0.45.ltoreq.z.ltoreq.0.65 and x is within the range of 0.50.ltoreq.x

    Composite sintered body
    9.
    发明授权
    Composite sintered body 有权

    公开(公告)号：US08951318B2

    公开(公告)日：2015-02-10

    申请号：US12308069

    申请日：2007-05-28

    申请人： Katsumi Okamura ,  Satoru Kukino ,  Tomohiro Fukaya

    发明人： Katsumi Okamura ,  Satoru Kukino ,  Tomohiro Fukaya

    IPC分类号： C09C1/68 ,  B23B27/14 ,  C04B35/5831 ,  C04B35/626 ,  C04B35/628 ,  C04B35/63 ,  C04B35/645

    摘要： A composite sintered body according to the present invention contains at least cubic boron nitride and a binder. Cubic boron nitride has a continuous skeleton structure as a result of bonding of a plurality of first cubic boron nitride particles to each other. The binder has a continuous structure as a result of bonding of a plurality of binder particles to each other, that are present in a region except for a bonding interface where the first cubic boron nitride particles are bonded to each other. Second cubic boron nitride particles isolated from the first cubic boron nitride particles forming the skeleton structure are dispersed in the continuous structure of the binder particles.

    METHOD FOR PROCESSING DIFFICULT-TO-CUT CAST IRON
    10.
    发明申请
    METHOD FOR PROCESSING DIFFICULT-TO-CUT CAST IRON 有权
    用于加工不锈钢切割铸铁的方法

    公开(公告)号：US20120219373A1

    公开(公告)日：2012-08-30

    申请号：US13504422

    申请日：2010-10-28

    申请人： Katsumi Okamura ,  Satoru Kukino ,  Tomohiro Fukaya

    发明人： Katsumi Okamura ,  Satoru Kukino ,  Tomohiro Fukaya

    IPC分类号： B23C3/00

    CPC分类号： B23C3/02 ,  B23C2222/14 ,  B23C2226/125 ,  Y10T407/26 ,  Y10T409/303808

    摘要： In a pilot hole of a workpiece made of a difficult-to-cut cast iron, a cutting tool having a leading end to which a cutting insert is attached is inserted to cut the surface of the wall of the pilot hole. At this time, the cutting tool rotates about an axis (α) and also revolves about another axis (β), so that contouring is performed on the workpiece by the tool. The cutting insert is formed of a sintered body having a CBN content of not less than 85% by volume, and the cutting insert has a thermal conductivity of not less than 100 W/(mK).

    摘要翻译： 在由难切割的铸铁制成的工件的导向孔中插入具有附接有切削刀片的前端的切削工具，以切割引导孔的壁的表面。 此时，切割工具围绕轴线（α）旋转并且还围绕另一轴线（＆bgr）旋转，使得通过工具在工件上进行轮廓加工。 切削刀片由CBN含量不小于85体积％的烧结体形成，切削刀片的热导率不低于100W /（mK）。