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    • 34. 发明授权
    • Electrode for electrochemical machining
    • 电化学加工用电极
    • US06627054B2
    • 2003-09-30
    • US09767626
    • 2001-01-23
    • Bin WeiR. Grant RoweBruce A. KnudsenHao Yu
    • Bin WeiR. Grant RoweBruce A. KnudsenHao Yu
    • C25B1100
    • B23H9/16B23H3/04
    • Non-circular holes are formed by electrochemical machining with an electrode that includes a hollow shank having a circular cross-section and a hollow tip section having a non-circular cross-section disposed on one end of the shank. The tip section is very small in length relative to the shank such that the shank comprises a large majority of the electrode's overall length. Because the majority of the electrode is circular in cross-section, it is relatively easy to straighten the electrode prior to a machining operation and to keep it straight during the operation, thereby overcoming problems experienced with full-length, non-circular electrodes. The circular shank also avoids electrolyte pressure imbalances and eases the difficulty and high cost of manufacturing electrodes capable of forming non-circular holes.
    • 通过电化学加工形成非圆形孔,该电极包括具有圆形横截面的中空柄和设置在柄的一端上的具有非圆形横截面的中空末端部分。 尖端部分相对于柄部的长度非常小,使得柄部包括电极总长度的绝大部分。 由于电极的大部分是圆形的横截面,因此在加工操作之前相对容易矫直电极并且在操作期间使其保持直线,从而克服了全长非圆形电极所遇到的问题。 圆形柄还避免了电解液压力不平衡,并且减轻了制造能够形成非圆形孔的电极的难度和高成本。