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    • 1. 发明授权
    • Apparatus for electrical discharge machining of cylindrical work
    • 圆柱形工件放电加工装置
    • US4242557A
    • 1980-12-30
    • US946405
    • 1978-09-27
    • Kunihiko SatoTetsuro UrataMitsugi KawanoTerumasa JinbaYukio KatoTakeo Uebayashi
    • Kunihiko SatoTetsuro UrataMitsugi KawanoTerumasa JinbaYukio KatoTakeo Uebayashi
    • B23H9/04B24B5/37B23P1/20
    • B23H9/04
    • There is disclosed an apparatus for giving a satin finish to the surface of a crowned roll. A plurality of electrode heads are divided and arranged along the axis of rotation of the crowned roll to be worked, and one or a plurality of rectangular electrodes are mounted at a predetermined spacing on each of the electrode heads. The discharge gap of each rectangular electrode is controlled by a servomechanism at a predetermined value and it is also fed traversely a predetermined distance by a traverse feed mechanism. The electrode is rectractably mounted on the electrode head and it is fixed in position so that the discharge surface of the electrode is projected into contact with the roll surface of the crowned roll. The discharge electrode surface of each rectangular electrode is initially flat and this discharge surface is consumed to conform with the shape or contour of the roll surface upon initiation of discharge.
    • 公开了一种用于在凸起的辊的表面上提供缎面光洁度的装置。 多个电极头沿被加工的加工辊的旋转轴线分开布置,并且在每个电极头上以预定的间隔安装一个或多个矩形电极。 每个矩形电极的放电间隙由预定值的伺服机构控制,并且还通过横动进给机构横向预定距离进给。 电极可直接安装在电极头上,并将其固定在适当的位置,使得电极的放电表面突出与凸面辊的辊表面接触。 每个矩形电极的放电电极表面最初是平坦的,并且在放电开始时,该放电表面被消耗以符合辊表面的形状或轮廓。
    • 6. 发明授权
    • Magnetic head slider inspection device
    • 磁头滑块检查装置
    • US08553512B2
    • 2013-10-08
    • US13078580
    • 2011-04-01
    • Masaru FurukawaYukio KatoJunguo Xu
    • Masaru FurukawaYukio KatoJunguo Xu
    • G11B27/36
    • G11B5/6076G11B5/455
    • A magnetic head slider inspection device including a motor unit for revolving a disk medium, a slider unit provided with a reproducing head, which is levitated from a surface of the disk medium under force generated by the revolving disk medium, a magnetic field generator positioned at an opposite side of the disk medium with respect to the slider unit for generating a magnetic field substantially perpendicular to the disk medium surface, and a circuit unit for generating the magnetic field from the magnetic field generator, and measuring a resistance value of the reproducing head levitated from the disk medium surface.
    • 一种磁头滑动器检查装置,包括用于旋转盘介质的马达单元,设置有再现头的滑块单元,其由旋转盘介质产生的力从盘介质的表面浮动;磁场发生器,位于 磁盘介质的相对于用于产生基本上垂直于盘介质表面的磁场的滑块单元的相对侧;以及电路单元,用于从磁场发生器产生磁场,并测量再现头的电阻值 从磁盘介质表面浮起。
    • 7. 发明授权
    • Thermally assisted magnetic recording device
    • 热辅助磁记录装置
    • US08526274B2
    • 2013-09-03
    • US13153073
    • 2011-06-03
    • Irizo NaniwaTakuya MatsumotoYukio Kato
    • Irizo NaniwaTakuya MatsumotoYukio Kato
    • G11B11/00
    • G11B5/3106G11B5/3136G11B5/40G11B5/607G11B5/6088G11B2005/0021
    • There is provided a thermally assisted magnetic recording device capable of preventing collision between a thermally assisted magnetic recording head and a disk due to thermal deformation of a near-field transducer. The thermally assisted magnetic recording device includes a temperature sensor for measuring the temperature in the vicinity of the near-field transducer, a table that stores the relationship between temperature and deformation in the vicinity of the near-field transducer, and a control unit. The control unit calculates the deformation in the vicinity of the near-field transducer, from the temperature measured by the temperature sensor and the relationship between temperature and deformation stored in the table. Then, the control unit drives the flying height control actuator according to the calculated deformation to control the distance between the thermally assisted magnetic recording and the disk in order to avoid contact between them.
    • 提供了一种热辅助磁记录装置,其能够防止由于近场换能器的热变形引起的热辅助磁记录头与盘的碰撞。 热辅助磁记录装置包括用于测量近场换能器附近的温度的温度传感器,存储近场换能器附近的温度与变形之间的关系的表以及控制单元。 控制单元根据由温度传感器测量的温度和存储在表中的温度与变形之间的关系来计算近场换能器附近的变形。 然后,控制单元根据计算出的变形驱动飞行高度控制致动器,以控制热辅助磁记录与盘之间的距离,以避免它们之间的接触。