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1. 发明授权

US5870250A Method and apparatus for improving file capacity using different flying height profiles 失效
标题翻译：使用不同飞行高度分布提高文件容量的方法和装置
公开(公告)号：US5870250A
公开(公告)日：1999-02-09
申请号：US609737
申请日：1996-03-01
申请人： Sanford A. Bolasna , Jnaneshwar H. Nayak , Sridhar Gopalakrishna
发明人： Sanford A. Bolasna , Jnaneshwar H. Nayak , Sridhar Gopalakrishna
IPC分类号： G11B5/012 , G11B5/60 , G11B21/21 , G11B25/04 , G11B5/54
CPC分类号： G11B5/6005 , G11B21/21 , G11B25/043 , G11B5/012
摘要： Air bearing sliders that achieve fly height profiles which allow improved areal density and file capacity. The sliders include angled features in such a way that they align with the air skew at textured zones on a disk. The angled features are selected to create a first air pressure distribution at first predetermined radii of the recording medium and a second air pressure distribution at second predetermined radii of the recording medium. The spacing profile may be obtained by skewing the whole or a portion of one or more rails with respect to the air bearing slider edges. In designs with a center rail, the spacing profile may be customized by skewing the center rail. Further optimization may be provided by altering the taper of the rail widths. Still further, the entire slider can be mounted with a skew with respect to the suspension to achieve the required fly height profile variations rather than skewing one or more of the rails. The exact shape of the profiles are optimized to the file's magnetic and mechanical needs and improve capacity and density in files that have constant texture (or no texture) throughout the whole disk surface.
摘要翻译：空气轴承滑块实现飞行高度分布，可提高面积密度和文件容量。滑块包括成角度的特征，使得它们与盘上纹理区域处的空气偏斜对齐。倾斜特征被选择以在记录介质的第一预定半径处产生第一空气压力分布，并且在记录介质的第二预定半径处产生第二空气压力分布。可以通过相对于空气轴承滑块边缘倾斜一个或多个导轨的整体或一部分来获得间隔分布。在具有中心导轨的设计中，间距分布可以通过偏斜中心导轨进行定制。可以通过改变轨道宽度的锥度来提供进一步优化。此外，整个滑块可以相对于悬架倾斜安装，以实现所需的飞行高度分布变化，而不是倾斜一个或多个导轨。配置文件的精确形状针对文件的磁性和机械需求进行了优化，并提高了整个磁盘表面的纹理（或无纹理）的文件中的容量和密度。

2. 发明授权

US4292865A Tool holder for varying tool rake angle 失效
标题翻译：用于改变刀具前倾角的刀架
公开(公告)号：US4292865A
公开(公告)日：1981-10-06
申请号：US101980
申请日：1979-12-10
申请人： Chunghorng R. Liu , Jnaneshwar H. Nayak , Herbjorn Stenberg , Felipe J. Huerta , Woodrow A. Hall
发明人： Chunghorng R. Liu , Jnaneshwar H. Nayak , Herbjorn Stenberg , Felipe J. Huerta , Woodrow A. Hall
IPC分类号： B23B27/16 , B23B29/12
CPC分类号： B23B27/1685 , B23B27/1674 , Y10T407/2234 , Y10T407/2246 , Y10T82/2572 , Y10T82/2585
摘要： A tool holder constituting an adaptive machining control system to automatically manipulate tool rake angle using in-process force feedback. The tool holder includes a rotatable member for holding a cutting member which cuts a workpiece, a motor to rotate the holding member, and a sensor and control logic to sense cutting forces and activate the motor to rotate the holding member and change the tool rake angle. The cutting member is held so that it rotates about an axis through its cutting tip to change the rake angle without varying the depth of cut on the workpiece. In an alternative embodiment, a manually operated tool holder is manipulated to similarly rotate a cutting member to vary the rake angle.
摘要翻译：一种构成自适应加工控制系统的刀架，用于使用过程中力反馈来自动操纵刀具前角。工具架包括用于保持切割工件的切割构件的旋转构件，用于旋转保持构件的马达以及用于感测切割力的传感器和控制逻辑，并且启动马达以旋转保持构件并改变工具前角。切割构件被保持成使得其绕轴线旋转通过其切割尖端以改变前角而不改变工件上的切割深度。在替代实施例中，操作手动操作的工具保持器以类似地旋转切割构件以改变前角。

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