The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Dec. 28, 2004
Filed:
Sep. 03, 2002
Boris Tchugunov, Moscow, RU;
Ultra Systems Limited, London, GB;
Abstract
An electrochemical machining technique involves moving a cathode ( ) towards an anodic workpiece ( ). A current is passed through an electrolyte which flows between the cathode ( ) and workpiece ( ) so as to cause material to be removed electrolytically from the workpiece ( ). A vibratory movement is imposed on the cathode ( ) and the current passed between the cathode ( ) and workpiece ( ) is also varied. The vibratory movement may consist of a main sinusoidal oscillation and a secondary ultrasonic vibration, and the current variation is synchronized with the main vibration so that current pulses, and ultrasonic vibration pulses, coincide, with a predetermined small phase shift, with peaks of the main vibration corresponding to the smallest gap between the cathode ( ) and workpiece ( ).
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