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    • 26. 发明专利
    • Cutter
    • 切割机
    • JP2009220212A
    • 2009-10-01
    • JP2008066795
    • 2008-03-14
    • Hitachi Koki Co Ltd日立工機株式会社
    • SATO ITSUOOTSU SHINKIICHIJO TOSHIHIROKAMIMURA JUNICHIOMATA NAOKI
    • B24D5/08B24D5/12
    • B24D5/06B24D5/123
    • PROBLEM TO BE SOLVED: To provide a rotatable cutter having a joining strength to a substrate and increasing a cutting performance by providing a thin chip with a uniform forming density and an abrasive grain distribution. SOLUTION: A rotatable cutter has: a base plate 2 in which mounting holes are formed; a joining layer 7 formed radially outward of the substrate 2; and an abrasive grain layer 5 formed radially outward of the joining layer 7. The cutter further has a reinforcement member so extending as to ride over the joining layer 6 and the abrasive grain layer 5 in the radial direction of the substrate and joining these layers to each other. The reinforcement member is made of a metal sheet 9 or a metal mesh. When the reinforcement member is formed of the metal sheet 9, a large number of through-holes are so arranged that, when any circumferential line is drawn coaxially with the substrate, the through-holes appear. The chip having the joining layer and the abrasive grain layer, the substrate, and the metal sheet are firmly joined to one another without influencing the distribution of the abrasive grains of a diamond in the abrasive grain layer. COPYRIGHT: (C)2010,JPO&INPIT
    • 要解决的问题:提供一种具有与基板接合强度的可旋转切割器,并通过提供具有均匀成形密度和磨粒分布的薄芯片来提高切割性能。 解决方案:可旋转切割器具有:基板2,其中形成有安装孔; 形成在基板2的径向外侧的接合层7; 以及在接合层7的径向外侧形成的磨粒层5.刀具还具有加强构件,该加强构件在基材的径向上越过接合层6和磨粒层5并且将这些层连接到 彼此。 加强构件由金属板9或金属网制成。 当加强构件由金属板9形成时,多个通孔被布置成使得当任何圆周线与基板同轴地拉出时,出现通孔。 具有接合层和磨粒的芯片,基板和金属片彼此牢固地接合,而不影响金刚石磨粒在磨粒层中的分布。 版权所有(C)2010,JPO&INPIT
    • 27. 发明专利
    • Grindwheel with sloping groove and its manufacturing method
    • GRINDWHELEL与坡耕地及其制造方法
    • JP2008137147A
    • 2008-06-19
    • JP2007183240
    • 2007-07-12
    • Jtekt CorpToyoda Van Moppes Ltd株式会社ジェイテクト豊田バンモップス株式会社
    • SOMA SHINJIIDO MASAHIROAKAHA HITOSHIINAGAKI TOMOHIROKUNIHIRO TAIJIIMAI TOMOYASU
    • B24D3/00B24D5/00B24D5/06
    • B24D5/10B24D5/06B24D7/10B24D7/18B24D18/0009
    • PROBLEM TO BE SOLVED: To easily provide a grindwheel having sloping grooves formed without deteriorating a force for holding superabrasive particles to a grinding surface on the grinding surface at low costs. SOLUTION: In this method for manufacturing a grindwheel, a plurality of grindwheel chips comprising an abrasive layer including superabrasive particles and a base layer, are bonded on a core mounted to a grindwheel shaft axially supported rotatably and drivably around a rotary axial line on a grindwheel platform of a grinder, and a workpiece whose grinding surface formed on the abrasive layer is rotataby and drivably supported by a workpiece supporting device of the grinder is brought into contact at a grinding point. This method includes: a grindwheel chip formation step for forming grindwheel chips before baking by inclining both ends in a grindwheel peripheral direction against the grindwheel peripheral direction; a baking step for baking the grindwheel chips before baking so as to form the baked grindwheel chips; and an adhesion step for bonding a plurality of the baked grindwheel chips to the core so that sloping grooves are formed between the adjacent abrasive layers. COPYRIGHT: (C)2008,JPO&INPIT
    • 要解决的问题:为了容易地提供一种具有倾斜槽的研磨轮,其成形不会恶化用于将超磨料颗粒以低成本保持在研磨表面上的研磨表面的力。 解决方案:在这种制造研磨轮的方法中,将包括超磨料颗粒和基层的研磨层的多个研磨轮碎片接合在安装到可以旋转地且可旋转地驱动的旋转轴线上的研磨轮轴上的芯上 在研磨机的研磨平台上,在研磨层上形成的磨削面由旋转体和由研磨机的工件支撑装置驱动地支撑的工件在研磨点接触。 该方法包括:磨轮切屑形成步骤,用于通过使研磨轮圆周方向上的两端相对于研磨轮周向倾斜而在烘烤前形成磨轮芯片; 烘烤步骤,用于在烘焙之前烘烤所述磨轮碎片以形成所述烘烤的磨轮碎片; 以及粘合步骤,用于将多个烘烤的研磨轮芯片接合到芯部,使得在相邻的磨料层之间形成倾斜的槽。 版权所有(C)2008,JPO&INPIT
    • 30. 发明专利
    • Sawblade segment
    • SAWBLADE SEGMENT
    • JPS59156669A
    • 1984-09-05
    • JP2640883
    • 1983-02-21
    • Sumitomo Electric Ind Ltd
    • NAKAI TETSUOYATSU SHIYUUJI
    • B23D61/04B24D5/06B24D5/12B24D99/00
    • B24D5/06
    • PURPOSE:To efficiently cut a stone having a high hardness, by providing such a sawblade segment that a plurality of sintered diamond members or combined sintered diamond members each having a sintered diamond member to the bottom of which a hard alloy is jointed, are arranged in a matrix. CONSTITUTION:In order to constantly maintain the sharpness of a sawblade a combined sintered diamond is formed such that a hard alloy is jointed to the bottom surface of a columnar or prism-like sintered diamond member 1, thereby it exhibits a satisfactory performance since the member 1 is firmly held to a matrix. A hard alloy 4 may be provided around the outer peripheral section of a columnar sintered diamond member 3 to be firmly jointed to the matrix. A blade segment is such that combined sintered diamond members 5 each having the sintered diamond member to the bottom of which the hard alloy is jointed, are secured with the use of a tungsten group matrix 6, and forty in number of the thus obtained segments are brazed to an iron disc having a diameter of 16 inches. Granite may be cut at a peripheral speed of 1,800m/min.
    • 目的:为了有效地切割具有高硬度的石头,通过提供这样的锯片段,将多个具有烧结金刚石构件的烧结金刚石构件或组合的烧结金刚石构件的硬质合金的底部连接起来,布置在 一个矩阵。 构成:为了不断地保持锯片的清晰度,形成组合的烧结金刚石,使得硬质合金与柱状或棱柱状的烧结金刚石构件1的底面接合,从而表现出令人满意的性能,因为构件 1牢固地固定在基体上。 可以在柱状烧结金刚石构件3的外周部周围设置硬质合金4,以牢固地连接到基体。 刀片段使得使用钨基团6固定各自具有烧结金刚石构件的硬质合金的底部的组合的烧结金刚石构件5,并且由此获得的段的数量为40个 钎焊到直径为16英寸的铁盘上。 花岗岩可以以1800m / min的圆周速度切割。