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    Method of turning grooves
    14.
    发明授权
    Method of turning grooves 失效
    转动槽的方法

    公开(公告)号：US5331871A

    公开(公告)日：1994-07-26

    申请号：US991605

    申请日：1992-12-16

    申请人： Daniel V. Viens

    发明人： Daniel V. Viens

    IPC分类号： B23B1/00 ,  B23B27/14 ,  F28F1/16

    CPC分类号： B23B1/00 ,  F28F1/16 ,  Y10T82/10 ,  Y10T82/11

    摘要： A method of turning very small grooves into a hardened steel work piece using a precision or ultraprecision lathe. Positioning of the work piece on the lathe spindle and dressing the work piece to minimize runout, aligning the cutting tool with the face of the work piece to be grooved, the lathe cutting speed and the cutting tool feed rate are all precisely controlled in order to maintain the forces acting on the cutting tool to levels below which fracture of the tool will occur. The cutting tool has a specially configured tip of a cubic boron nitride material.

    摘要翻译： 使用精密或超精密车床将非常小的凹槽转变成硬化钢工件的方法。 将工件定位在车床主轴上并修整工件，以最大程度地减少跳动，使切削刀具与要加工的工件的面对齐，车床切削速度和切削刀具进给速度都被精确控制，以便 将作用在切削工具上的力保持在低于该工具的断裂的水平以下。 切割工具具有特殊配置的立方氮化硼材料的尖端。

    Method for manufacturing disk-shaped recording media
    15.
    发明授权
    Method for manufacturing disk-shaped recording media 失效
    用于制造盘形记录介质的方法

    公开(公告)号：US5108789A

    公开(公告)日：1992-04-28

    申请号：US489162

    申请日：1990-03-06

    申请人： Klaus Michael ,  Andreas Petz

    发明人： Klaus Michael ,  Andreas Petz

    IPC分类号： B23Q7/04

    CPC分类号： B23Q7/04 ,  Y10S425/201 ,  Y10T82/10 ,  Y10T82/11 ,  Y10T82/2516

    摘要： Method for machining flat, circular disk-shaped recording media, for example, audio, video or ROM compact disks, for the purpose of improving their surface quality and their dimensional stability, employs a lathe having a driven lathe spindle (7), a vacuum chuck (8) for holding the recording medium or substrate (15, 15'. . . ) to be machined, and a carriage (9) for holding and guiding the cuting tool (5) magazine (14) hold the machined and unmachined substrates, there being further provided a robot (10) held on the base (2) or bed (4) of the lathe and having a gripper arm (11) with gripping tongs (12) movable in several planes which transport the substrates from one magazine (14) to the vacuum chuck (8) or from the vacuum chuck to the other magazine, the stacking axes (L) of the two magazines extending at an angle to the horizontal plane (E), and the magazines being maintained within the range of action of the gripper arm (11) with gripping tongs (12).