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    ELECTRICAL DISCHARGE MACHINE
    1.
    发明申请
    ELECTRICAL DISCHARGE MACHINE 审中-公开

    公开(公告)号：US20170304921A1

    公开(公告)日：2017-10-26

    申请号：US15517157

    申请日：2015-10-06

    申请人： SARCLAD LIMITED

    发明人： Mark David WYBROW ,  Nigel Hyde CORBETT

    IPC分类号： B23H9/04 ,  B23H1/10 ,  B23H7/36 ,  B23H11/00

    CPC分类号： B23H9/04 ,  B23H1/10 ,  B23H7/36 ,  B23H11/00 ,  B23H11/003

    摘要： An EDT apparatus 1 is disclosed, comprising a dielectric fluid return system for use with an EDT machine of the type in which the workpiece is not submersed in dielectric fluid. The return system comprises a first collector 19 for catching spills from a dielectric bath 9 associated with a set of electrodes 10 which apply electrical pulses to the workpiece through the dielectric fluid in the bath. Also, a separate, second collector 21 is positioned substantially beneath the workpiece and arranged both to receive fluid from the first collector 19 and to catch fluid that drips from the workpiece itself, the second collector being connected to a pump 13 which returns the fluid from the second collector to the dielectric bath.

    Method for providing surface texturing of aluminum sheet, substrate for lithographic plate and lithographic plate
    2.
    发明授权
    Method for providing surface texturing of aluminum sheet, substrate for lithographic plate and lithographic plate 失效
    提供铝板表面纹理，平版印刷板和平版印刷板的方法

    公开(公告)号：US07201850B2

    公开(公告)日：2007-04-10

    申请号：US11134706

    申请日：2005-05-23

    申请人： Naoyuki Kawanishi ,  Tadashi Hayashi ,  Hirokazu Sawada ,  Akio Uesugi

    发明人： Naoyuki Kawanishi ,  Tadashi Hayashi ,  Hirokazu Sawada ,  Akio Uesugi

    IPC分类号： B44C1/22 ,  B23H5/00

    CPC分类号： B23H9/008 ,  B21B1/227 ,  B21B27/005 ,  B21B2003/001 ,  B23H9/04 ,  B41N3/04 ,  C25F3/04 ,  Y10T428/24355

    摘要： According to the present invention, since the concavo-convex pattern of the embossing form is formed by electrical discharge machining, the peaks on the surface of the resultant embossing form are all of the same level or height, which enables the enhancement of the service life of the embossing form. Further, since the concavo-convex pattern of the embossing form is formed by electrical discharge machining, even a complicated and minute concavo-convex pattern can be formed. Accordingly, when applying the method of the present invention to, for example, the production of a substrate for a lithographic plate, an aluminum substrate for a lithographic plate which excels in plate wear, sensitivity and resistance to stains can be produced. And when applying the same to the production of an aluminum decorative laminate, an aluminum decorative laminate which excel in glossiness and paint adhesion can be produced.

    摘要翻译： 根据本发明，由于通过放电加工形成压花形式的凹凸图案，所得压花形式的表面上的峰都具有相同的高度或高度，这能够提高使用寿命 的压花形式。 此外，由于通过放电加工形成压花形式的凹凸图案，所以即使形成复杂且微小的凹凸图案。 因此，当将本发明的方法应用于例如平版印刷用基板的制造时，可以制造出具有优异的印版磨损，灵敏度和耐污性的平版印刷用铝基板。 并且当将其应用于铝装饰层压板的生产时，可以生产出优异的光泽度和涂料附着力的铝装饰层压板。

    Electro-discharge machining apparatus
    3.
    发明授权
    Electro-discharge machining apparatus 失效
    电动放料加工设备

    公开(公告)号：US5089681A

    公开(公告)日：1992-02-18

    申请号：US567076

    申请日：1990-08-14

    申请人： Mohamed F. El-Menshawy

    发明人： Mohamed F. El-Menshawy

    IPC分类号： B23H1/02 ,  B23H7/18 ,  B23H9/04

    CPC分类号： B23H9/04 ,  B23H1/028 ,  B23H7/18 ,  B23H1/022

    摘要： An electro-discharge machining apparatus includes an electrode carrier on which there are mounted a plurality of separate electrodes. A circuit for each electrode applies a high voltage discharge initiating pulse followed by an extended lower voltage discharge sustaining pulse to the associated electrode. A gap voltage sampling circuit samples the voltage between the electrode and the workpiece and a "low wins" circuit passes a signal representing the lowest gap voltage as a feedback signal for a servo-actuator which moves the electrode holder towards and away from the workpiece.

    Electrical discharge apparatus for producing a textured finish on a conductive surface
    4.
    发明授权
    Electrical discharge apparatus for producing a textured finish on a conductive surface 失效
    用于在导电表面上生产纹理光洁度的放电装置

    公开(公告)号：US5034589A

    公开(公告)日：1991-07-23

    申请号：US200693

    申请日：1988-05-31

    申请人： Gareth A. Evans ,  David H. Savidge ,  Geoffrey Wilson

    发明人： Gareth A. Evans ,  David H. Savidge ,  Geoffrey Wilson

    IPC分类号： B23H1/02 ,  B23H1/10 ,  B23H7/18 ,  B23H9/04

    CPC分类号： B23H7/18 ,  B23H1/028 ,  B23H9/04 ,  B23H1/10

    摘要： Electrical discharge apparatus for producing on the surface of an electrically conductive workpiece a textured or matt finish comprises a plurality of electrodes each connectable to an electrical power source and each carried by a head which in use of the apparatus can be moved linearly of the workpiece with the electrodes each spaced at a predetermined distance from the workpiece surface. A characteristics of the voltage conditions present within the gap existing between the electrodes and the workpiece surface is monitored and, the head is moved towards and away from the workpiece surface to maintain the monitored characteristic within predetermined limits. Dielectric fluid is retained within the gap existing between the electrodes and the workpiece surface, and a series of discrete electrical discharges is promoted between each electrode and the adjacent workpiece surface to cause particles to be removed from the workpiece surface and produce a textured or matt finish thereto.

    Method of producing anti-glare film
    7.
    发明授权
    Method of producing anti-glare film 有权
    抗眩光膜的制造方法

    公开(公告)号：US07427371B2

    公开(公告)日：2008-09-23

    申请号：US10839220

    申请日：2004-05-06

    申请人： Naoyuki Kawanishi ,  Tadashi Hayashi

    发明人： Naoyuki Kawanishi ,  Tadashi Hayashi

    IPC分类号： B29D11/00

    CPC分类号： G02B1/111 ,  B23H9/04 ,  B29C59/022 ,  B29C59/046 ,  B29C2059/023 ,  B29K2995/003 ,  B29K2995/0034

    摘要： An antiglare film producing method of film production by surface embossing to polymer film is provided. The polymer film includes a support of triacetyl cellulose, and an anti-reflection layer overlaid thereon. An embossing roller is used for surface embossing to a front surface of the support or a surface of the anti-reflection layer. In the film producing method, the embossing roller is produced according to electrodischarge machining (EDM). A surface of the embossing roller has an arithmetic average roughness Ra of 0.3-1.0 micron, and has a protruding and retreating pattern with an average cycle length RSm of 5-30 microns.

    摘要翻译： 提供了通过表面压花对聚合物膜制备膜的防眩膜制造方法。 聚合物膜包括三乙酰纤维素的载体和覆盖在其上的抗反射层。 压花辊用于表面压花到支撑体的前表面或抗反射层的表面。 在成膜方法中，通过放电加工（EDM）制造压花辊。 压花辊的表面具有0.3-1.0微米的算术平均粗糙度Ra，并且具有5-30微米的平均循环长度RSm的突出和退回图案。

    Electrical discharge shape forming and surface conditioning device
    10.
    发明授权
    Electrical discharge shape forming and surface conditioning device 失效
    放电成型和表面调节装置

    公开(公告)号：US4683364A

    公开(公告)日：1987-07-28

    申请号：US785145

    申请日：1985-10-07

    申请人： Alex L. Anderson

    发明人： Alex L. Anderson

    IPC分类号： B23H7/12 ,  B23H9/04 ,  B23H1/04 ,  B23H7/26

    CPC分类号： B23H9/04 ,  B23H7/12

    摘要： An electric discharge surface conditioning apparatus includes a discharge electrode consisting of an assembly of alternating conductive and non-conductive discs which rotate about an axis. The surface of the conductive discs includes a specific pattern of slots to effect a pumping action thereby enhancing the electric discharge efficiency by circulating the fluid away from the surface of the workpiece being machined. A control arrangement for controlling the orientation of the described electrode is provided.

    摘要翻译： 放电表面调节装置包括由围绕轴线旋转的交替导电盘和非导电盘组成的放电电极。 导电盘的表面包括特定的狭槽模式以实现泵送动作，从而通过使流体从被加工的工件的表面循环而提高排放效率。 提供了用于控制所述电极的取向的控制装置。