B23HWORKING OF METAL BY THE ACTION OF A HIGH CONCENTRATION OF ELECTRIC CURRENT ON A WORKPIECE USING AN ELECTRODE WHICH TAKES THE PLACE OF A TOOLSUCH 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 H05K3/18This subclass covers the working of metal described as "electroerosion"In this subclass non-limiting references (in the sense of paragraph 39 of the Guide to the IPC) may still be displayed in the scheme. B23H1/00 B23H1/00Electrical 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 B23H1/02Electric circuits specially adapted therefor, e.g. power supply, control, preventing short circuits or other abnormal discharges B23H1/022for shaping the discharge pulse train B23H1/024 takes precedence B23H1/024Detection of, and response to, abnormal gap conditions, e.g. short circuits preventing short circuits or other abnormal discharges by altering machining parameters using adaptive control B23H7/16 B23H1/026Power supply protection, e.g. detection of power switch breakdown B23H1/028for multiple gap machining B23H1/04Electrodes specially adapted therefor or their manufacture B23H9/00 takes precedence B23H1/06Electrode material B23H1/08Working media B23H1/10Supply or regeneration of working media B23H3/00Electrochemical machining, i.e. removing metal by passing current between an electrode and a workpiece in the presence of an electrolyte B23H3/02Electric circuits specially adapted therefor, e.g. power supply, control, preventing short circuits B23H3/04Electrodes specially adapted therefor or their manufacture B23H9/00 takes precedence B23H3/06Electrode material B23H3/08Working media B23H3/10Supply or regeneration of working media B23H5/00Combined machining B23H5/02Electrical discharge machining combined with electrochemical machining B23H5/04Electrical discharge machining combined with mechanical working B23H5/06Electrochemical machining combined with mechanical working, e.g. grinding or honing B23H5/08Electrolytic grinding B23H5/10Electrodes specially adapted therefor or their manufacture B23H1/04, B23H3/04 take precedence B23H5/12Working media B23H5/14Supply or regeneration of working media B23H7/00Processes or apparatus applicable to both electrical discharge machining and electrochemical machining B23H7/02Wire-cutting B23H7/04Apparatus for supplying current to working gapElectric circuits specially adapted therefor B23H7/06Control of the travel curve of the relative movement between electrode and workpiece B23H7/065Electric circuits specially adapted therefor B23H7/08Wire electrodes B23H7/10Supporting, winding or electrical connection of wire-electrode B23H7/101Supply of working media B23H7/102Automatic wire threading B23H7/104Wire tension control B23H7/105Wire guides B23H7/107Current pickups B23H7/108Used wire disposal devices B23H7/12Rotating-disc electrodes B23H7/14Electric circuits specially adapted therefor, e.g. power supply B23H3/02 takes precedence B23H7/16for preventing short circuits or other abnormal discharges by altering machining parameters using adaptive control B23H7/18for maintaining or controlling the desired spacing between electrode and workpiece B23H7/20for programme-control, e.g. adaptive programme-control systems in general G05B19/00 B23H7/22Electrodes specially adapted therefor or their manufacture B23H7/08, B23H7/12, B23H9/00 take precedence B23H7/24Electrode material B23H7/26Apparatus for moving or positioning electrode relatively to workpieceMounting of electrode B23H7/265Mounting of one or more thin electrodes B23H7/28Moving electrode in a plane normal to the feed direction, e.g. orbiting B23H7/30Moving electrode in the feed direction B23H7/32 takes precedence B23H7/32Maintaining desired spacing between electrode and workpiece , e.g. by means of particulate material B23H7/34Working media B23H7/36Supply or regeneration of working media B23H7/38Influencing metal working by using specially adapted means not directly involved in the removal of metal, e.g. ultrasonic waves, magnetic fields or laser irradiation B23H9/00Machining specially adapted for treating particular metal objects or for obtaining special effects or results on metal objects heat treatment by cathodic discharge C21D1/38 B23H9/001Disintegrating B23H9/003Making screw-threads or gears B23H9/005Machining elongated bodies, e.g. rods B23H9/006Cavity sinking B23H9/14 takes precedence B23H9/008Surface roughening or texturing B23H9/02Trimming or deburring B23H9/003 takes precedence B23H9/04Treating surfaces of rolls B23H9/06Marking or engraving B23H9/08Sharpening B23H9/10Working turbine blades or nozzles B23H9/12Forming parts of complementary shape, e.g. punch-and-die B23H9/14Making holes B23H9/16using an electrolytic jet B23H9/18Producing external conical surfaces or spikes B23H9/08 takes precedence B23H11/00Auxiliary apparatus or details, not otherwise provided for B23H11/003Mounting of workpieces, e.g. working-tables B23H11/006Electrical contacts or wires B23H7/10 takes precedence B23H2200/00 B23H2200/00Specific machining processes or workpieces B23H2200/10for making bearings B23H2200/20for making conical bores B23H2200/30for making honeycomb structures B23H2300/00Power source circuits or energization B23H2300/10Pulsed electrochemical machining B23H2300/12Positive and negative pulsed electrochemical machining B23H2300/20Relaxation circuit power supplies for supplying the machining current, e.g. capacitor or inductance energy storage circuits B23H2300/22Circuits using or taking into account line impedance to shape the discharge pulse B23H2400/00Moving mechanisms for tool electrodes B23H2400/10for rotating the electrode B23H2500/00Holding and positioning of tool electrodes B23H2500/20Methods or devices for detecting wire or workpiece position B23H2600/00Machining conditions B23H2600/10Switching of machining conditions during machining B23H2600/12Switching from rough cutting to finish machining