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    • 8. 发明申请
    • MICROHOLE ELECTRIC DISCHARGE MACHINING APPARATUS AND ELECTRIC DISCHARGE MACHINING METHOD
    • MICROHOLE电动放电加工设备和放电加工方法
    • US20110174783A1
    • 2011-07-21
    • US13056609
    • 2008-07-29
    • Satoshi SuzukiAkihiro GotoKazushi Nakamura
    • Satoshi SuzukiAkihiro GotoKazushi Nakamura
    • B23H1/04
    • B23H9/14B23H7/265B23H7/28B23H2200/20B23H2400/10
    • A microhole electric discharge machining apparatus that forms a conical inverse-tapered hole on a workpiece by a thin wire electrode, includes, an electrode holder that holds an upper part of the thin wire electrode and feeds a lower part of the thin wire electrode downward to stretch the lower part to the workpiece by rotating the thin wire electrode; a first guide member that is arranged near the workpiece upper surface and is provided with a first guide hole through which the thin wire electrode is penetrated on a hole-machining axis; a second guide member that is arranged between the first guide member and the electrode holder and is provided with a second guide hole through which the thin wire electrode is penetrated at a position eccentric from the hole-machining axis; and a swivel driving unit that circularly swivels the second guide member around the hole-machining axis.
    • 一种微细孔放电加工装置,其通过细线电极在工件上形成锥形倒锥形孔,包括:电极保持器,其保持细线电极的上部并将细线电极的下部向下供给到 通过旋转细线电极将下部拉伸到工件; 第一引导构件,其布置在工件上表面附近并且设置有第一引导孔,细线电极穿过该第一引导孔穿过孔加工轴线; 第二引导构件,布置在第一引导构件和电极保持器之间,并且设置有第二引导孔,细线电极穿过第二引导孔偏心于孔加工轴线的位置; 以及旋转驱动单元,其围绕所述孔加工轴线旋转所述第二引导构件。