METHOD FOR THE ELECTRO-HYDRAULIC CLEANING OF NON-RIGID PLATE-LIKE DETAILS AND APPARATUS FOR REALISING THE SAME

WIPO Patent Application WO/2000/037196

A2

The present invention may be used in the production of alumina during the electro-hydraulic processing of details with industrial deposit. This invention essentially relates to a method for the electro-hydraulic cleaning of non-rigid plate-like details, wherein said method involves arranging the details in a container, placing a positive and a negative electrodes at the surface of a detail and submerging the container in a working liquid while simultaneously displacing the positive electrode relative to the surface of the detail. The method also involves applying electric discharges on the detail at a frequency of up to 50 Hz. The negative electrode may consist of a metallic array which comprises cells having a size of h x h, and which is arranged at a distance L from the surface of a detail, wherein h = (5 - 10)$g(d), L = (2 - 8)$g(d) and $g(d) is the thickness of the detail to be treated. The negative electrode may also consist of an industrial plate having a profile which is congruent to that of the details to be cleaned, wherein said plate is arranged tightly at the top of the stack of details to be treated. The positive electrode includes a flexible conductor in an elastic isolation as well as a primer rod made of thin wires and connected to said conductor by a removable connection. The removable connection is made in the form of two plates which are made of an electroconductive material and are separated by the flexible conductor and by the primer rod in the shape of a loop. This invention provides high cleaning levels of the details while avoiding the occurrence of residual deformation and through-burns therein.

BUTAKOV BORIS IVANOVICH (UA)
MESHIN VITALY VENIAMINOVICH (UA)
VASCHILENKO VASILY IVANOVICH (UA)
KOVALENKO EVGENY PETROVICH (UA)
STOLYAR MIKHAIL BORISOVICH (UA)
DOVGANJUK SERGEI IVANOVICH (UA)
VLASOV PAVEL EVGENIEVICH (UA)
KOZIN KONSTANTIN VASILIEVICH (UA)
ALEXANDROV VIKTOR MIKHAILOVICH (UA)
GORBIKOV JURY MOISEEVICH (UA)
VELIKORECHANIN ALEXANDR VASILI (UA)
MALTSEV ANATOLY SAVVATEEVICH (UA)
VELIGIN VALERY ALEXANDROVICH (UA)
BUTAKOVA GALINA SERGEYEVNA (UA)
ONOPCHENKO ALEXANDR SERGEEVICH (UA)
RURA ANATOLY VLADIMIROVICH (UA)
PITINOV NIKOLAI GRIGORIEVICH (UA)

PCT/UA1999/000028

June 29, 2000

December 09, 1999

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NIKOLAEVSKY GLINOZEMNY Z (UA)
BUTAKOV BORIS IVANOVICH (UA)
MESHIN VITALY VENIAMINOVICH (UA)
VASCHILENKO VASILY IVANOVICH (UA)
KOVALENKO EVGENY PETROVICH (UA)
STOLYAR MIKHAIL BORISOVICH (UA)
DOVGANJUK SERGEI IVANOVICH (UA)
VLASOV PAVEL EVGENIEVICH (UA)
KOZIN KONSTANTIN VASILIEVICH (UA)
ALEXANDROV VIKTOR MIKHAILOVICH (UA)
GORBIKOV JURY MOISEEVICH (UA)
VELIKORECHANIN ALEXANDR VASILI (UA)
MALTSEV ANATOLY SAVVATEEVICH (UA)
VELIGIN VALERY ALEXANDROVICH (UA)
BUTAKOVA GALINA SERGEYEVNA (UA)
ONOPCHENKO ALEXANDR SERGEEVICH (UA)
RURA ANATOLY VLADIMIROVICH (UA)
PITINOV NIKOLAI GRIGORIEVICH (UA)

B08B7/02; B22D29/00; (IPC1-7): B22D/

WO1991001183A1

1991-02-07

SU1702590A1
SU935141A1	1982-06-15
SU376132A1	1973-04-05
SU882065A1

Cherepov, Leonid Vladimirovich (UA)

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