WORKING OF METAL BY THE ACTION OF A HIGH CONCENTRATION OF ELECTRIC CURRENT ON A WORKPIECE USING AN ELECTRODE WHICH TAKES THE PLACE OF A TOOL; SUCH WORKING COMBINED WITH OTHER FORMS OF WORKING OF METAL (processes for the electrolytic or electrophoretic production of coatings, electroforming, or apparatus therefor C25D; processes for the electrolytic removal of material from objects C25F; manufacturing printed circuits using precipitation techniques to apply the conductive material to form the desired conductive pattern H05K3/18)

Child Classifications

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• B23H 1/00 Electrical discharge machining, i.e. removing metal with a series of rapidly recurring electrical discharges between an electrode and a workpiece in the presence of a fluid dielectric
• B23H 11/00 Auxiliary apparatus or details, not otherwise provided for
• B23H 2200/00 Specific machining processes or workpieces
• B23H 2300/00 Power source circuits or energization
• B23H 2400/00 Moving mechanisms for tool electrodes
• B23H 2500/00 Holding and positioning of tool electrodes
• B23H 2600/00 Machining conditions
• B23H 3/00 Electrochemical machining, i.e. removing metal by passing current between an electrode and a workpiece in the presence of an electrolyte
• B23H 5/00 Combined machining
• B23H 7/00 Processes or apparatus applicable to both electrical discharge machining and electrochemical machining
• B23H 9/00 Machining specially adapted for treating particular metal objects or for obtaining special effects or results on metal objects (heat treatment by cathodic discharge C21D1/38)