METHOD FOR ELECTROCHEMICAL SHAPING OF COMPLEX-PROFILE CYLINDRICAL "NEEDLE" TYPE PARTS Russian patent published in 2001 - IPC

Abstract RU 2176580 C2

FIELD: electrochemical dimensional working of shaped surfaces. SUBSTANCE: method comprises steps of placing fixed cathode (whose profile corresponds to profile of ready part) coaxially relative to fixed cylindrical blank-anode spaced one from another by distance equal to interelectrode gap; selecting value of interelectrode gap in depending upon radius value of cylindrical blank; applying unipolar or bipolar electric current rectangular pulses to interelectrode gap at continuously pumping electrolyte through said gap; selecting amplitude-time parameters of electric current according to condition of achieving potential of anode material dissolving at distance from cathode surface less than maximum value of interelectrode gap Δ.; setting duration of working process equal to time period of achieving maximum value Δ. along the whole interelectrode gap. EFFECT: enhanced accuracy of reproducing surface profile of cathode on anode. 1 dwg, 4 ex

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RU 2 176 580 C2

Authors

Galanin S.I.

Rudovskij P.N.

Shorokhov S.A.

Dates

2001-12-10Published

2000-02-11Filed