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    • 6. 发明申请
    • Apertured Abrasive Disk Assembly With Improved Flow Dynamics
    • 具有改进的流动动力学的有孔磨料组件
    • US20110039485A1
    • 2011-02-17
    • US12817461
    • 2010-06-17
    • Stephen J. BennerDarryl W. Peters
    • Stephen J. BennerDarryl W. Peters
    • B24B27/00
    • B24D7/10B24B55/06
    • The evacuation properties of an abrasive disk are improved by forming its apertures to exhibit a configuration that will direct process fluids onto or away from a workpiece (or contact) interface through capillary action, surface tension/affinity, and/or boundary layer pump actions. The capillary action is accomplished by modifying the geometries of the apertures to form capillary tubes, where the orientation and lift angle of the capillary tubes is controlled to improve the flow of relatively thin layers of liquids. The surface tension/affinity between a liquid material and the abrasive disk is controlled by modifying the through-hole apertures to exhibit a serrated inner surface, which will decrease the attraction between the material of the abrasive disk and the process liquid. A plurality of apertured disks may be stacked, and their respective apertures properly arranged on each surface, to create a Tesla pump such that the kinetic energy associated with rotation of the disk assembly will preferentially bias both the vertical and tangential flow of liquids between the working surface and the disk assembly.
    • 研磨盘的排出性能通过形成其孔而改善,以形成将通过毛细管作用,表面张力/亲合性和/或边界层泵作用将工艺流体引导到工件(或接触)界面或远离工件(或接触)界面的构型。 通过改变孔的几何形状以形成毛细管来实现毛细管作用,其中毛细管的取向和提升角度被控制以改善相对薄的液体层的流动。 液体材料和研磨盘之间的表面张力/亲合力通过改变通孔孔而显示出锯齿状的内表面来控制,这将减小研磨盘的材料与处理液体之间的吸引力。 可以堆叠多个有孔的盘,并且它们各自的孔适当地布置在每个表面上,以产生特斯拉泵,使得与盘组件的旋转相关联的动能优先偏置工作之间的液体的垂直和切向流动 表面和盘组件。