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    • 3. 发明申请
    • DEVICE FOR GRINDING SPHERICAL END FACE OF ROLLER-SHAPED WORKPIECE
    • 用于研磨辊形工件的球面端面的装置
    • US20140127978A1
    • 2014-05-08
    • US14067422
    • 2013-10-30
    • JTEKT CORPORATION
    • Kiyoshi YONEMICHI
    • B24B11/00B24B53/06
    • B24B11/00B23P15/003B24B53/06
    • An inner rotary retaining member has an annular outward rolling surface formed of part of a radially outward tapered surface centering on the central axis of a first rotary drive shaft. An outer rotary retaining member has an annular inward rolling surface formed of part of a radially inward tapered surface centering on the central axis of a second rotary drive shaft. The rolling surfaces are opposed to each other. A pocket that supports a workpiece such that the workpiece rotates and revolves as the retaining members rotate is formed at a portion of the carrier, the portion being positioned between the rolling surfaces. The central axis of the workpiece supported by the pocket is inclined relative to the central axis of the rotary drive shafts.
    • 内旋转保持构件具有由以第一旋转驱动轴的中心轴为中心的径向向外锥形部分的一部分形成的环形向外滚动表面。 外旋转保持构件具有以第二旋转驱动轴的中心轴为中心的径向向内锥形部分的一部分形成的环形向内滚动面。 滚动面彼此相对。 支撑工件的口袋形成在承载件的一部分上,该口袋位于滚动表面之间,该口袋形成在保持件转动时工件旋转并旋转的工件。 由袋支撑的工件的中心轴线相对于旋转驱动轴的中心轴线倾斜。
    • 5. 发明授权
    • Method and tool for creating a concave surface from a spectacle blank
    • 从眼镜毛坯上创建凹面的方法和工具
    • US5938381A
    • 1999-08-17
    • US695789
    • 1996-08-12
    • Joachim DiehlRonald LautzKarl-Heinz Tross
    • Joachim DiehlRonald LautzKarl-Heinz Tross
    • B24B11/00B24B13/06B23C9/00
    • B24B13/06B24B11/00Y10T409/303752Y10T409/303808Y10T409/305656Y10T409/307448
    • A method for creation of a surface from a rough blank for spectacles is which is suitable for both brittle-hard materials and for plastics uses makes use of a disk-shaped, rotation-symmetrical tool of relatively large diameter, by means of which the material to be taken off the rough blank is removed with high grinding or milling efficiency in at least two work steps--a plunge-cut step and a shaping step with material removed along a spiral path. The outcome of the last work step is a machining path traveling in a spiral from the outside to the inside with low residual apex height and relatively large apex spacing. The resulting surface needs only slight fine-grinding and polishing aftertreatment. As an option, both a rim machining step adapted to the form of the eyeglass frame and a work step faceting the rim of the eyeglasses can be integrated into the method. Furthermore, tools are proposed for carrying out the grinding and milling process.
    • 用于制造用于眼镜的粗毛坯的表面的方法适用于脆硬材料,并且对于塑料使用,使用相对较大直径的盘形旋转对称的工具,通过该方法材料 在至少两个工作步骤中以高研磨或铣削效率去除粗糙坯料 - 切入步骤和沿着螺旋路径去除材料的成形步骤。 上一个工作步骤的结果是从外部到内部以螺旋形运动的加工路径,具有低残余顶点高度和相对较大的顶点间距。 所得表面仅需稍微精细研磨和抛光后处理。 作为选择,可以将适用于眼镜框形式的轮辋加工步骤和凸出眼镜边缘的工作步骤整合到该方法中。 此外,提出了进行磨削和铣削加工的工具。
    • 9. 发明授权
    • Abrasive article containing shaped abrasive particles
    • 包含成型磨料颗粒的磨料制品
    • US5366523A
    • 1994-11-22
    • US919180
    • 1992-07-23
    • Donley D. RowenhorstTodd A. Berg
    • Donley D. RowenhorstTodd A. Berg
    • B24D3/14B24D3/28B24D11/00C04B35/111C04B35/626C09K3/14B24B11/00
    • B24D3/28B24D11/00B24D3/14C04B35/1115C04B35/626C09K3/1418
    • An abrasive article comprising a binder and abrasive grits, wherein the abrasive grits comprise abrasive particles having specified shapes. Coated abrasive articles of this invention comprise a backing having at least one layer of abrasive material adhered thereto by means of a binder. A portion of this layer contains abrasive particles having specified shapes. It is preferred that the geometric shape of these abrasive particles be triangular. For triangular-shaped particles, about 35% to about 65% of the particles are oriented with a vertex pointing away from the backing and a base in contact with the binder, with about 35% to about 65% of the particles being oriented with a base pointing away from the backing and a vertex in contact with the binder. It is believed that this configuration brings about the result that the sum of the surface areas of each of the particles in contact with the workpiece remains essentially constant during use, even though the surface area of each individual abrasive particle in contact with the workpiece varies during use. The use of the abrasive particles described herein minimizes the formation of flat surfaces on the cutting regions of the abrasive grits.
    • 包括粘合剂和磨料砂粒的磨料制品,其中所述磨料砂粒包括具有特定形状的磨料颗粒。 本发明的涂覆的磨料制品包括具有至少一层通过粘合剂粘附到其上的研磨材料层的背衬。 该层的一部分包含具有特定形状的磨料颗粒。 这些磨料颗粒的几何形状优选为三角形。 对于三角形颗粒,约35%至约65%的颗粒被定向为具有远离背衬的顶点和与粘合剂接触的基底,约35%至约65%的颗粒被定向为具有 基部指向远离背衬和与该粘合剂接触的顶点。 据信这种结构产生的结果是,即使在与使用过程中接触的每个单独磨料颗粒的表面积在工件中接触时,与工件接触的每个颗粒的表面积的总和保持基本恒定, 使用。 使用本文所述的磨料颗粒最小化在磨料砂粒的切割区域上的平坦表面的形成。
    • 10. 发明授权
    • Method and apparatus for forming spheres
    • 用于形成球体的方法和装置
    • US5012619A
    • 1991-05-07
    • US454617
    • 1989-12-21
    • Vernon E. KnepprathJules D. Levine
    • Vernon E. KnepprathJules D. Levine
    • B24B11/00B24B31/10
    • B24B31/10B24B11/00
    • A method and apparatus for forming silicon spheres (40) from irregular-shaped particles (38) for use in solar cells are disclosed. The apparatus (10) generally comprises a vertically aligned cylindrical chamber (12) having an abrasive lining (32) integrally formed therein. The abrasive lining (32) is preferably a silicon carbide material. A gas source (36) is tangentially injected into the chamber (12) to create an gas vortex inside the chamber (12). This vortex induces the repeated collision of the particles (38) against the abrasive lining (32) to eventually form the silicon spheres (40) and simultaneously sizing the silicon spheres (40).
    • 公开了一种从用于太阳能电池的不规则形状的颗粒(38)形成硅球(40)的方法和装置。 设备(10)通常包括垂直对准的圆柱形腔室(12),其具有一体形成在其中的研磨衬里(32)。 研磨衬里(32)优选为碳化硅材料。 气体源(36)被切向地注入到室(12)中以在室(12)内部产生气体涡流。 该涡流引起颗粒(38)反对研磨衬里(32)的重复碰撞,以最终形成硅球(40)并同时对硅球(40)进行定径。