Processes or apparatus applicable to both electrical discharge machining and electrochemical machining

BPERFORMING OPERATIONS TRANSPORTING B23Machine tools 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 TOOL SUCH WORKING COMBINED WITH OTHER FORMS OF WORKING OF METAL

B23H7/00Processes or apparatus applicable to both electrical discharge machining and electrochemical machining

B23H7/02Wire-cutting B23H7/04Apparatus for supplying current to working gap Electric 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 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 B23H7/22Electrodes specially adapted therefor or their manufacture B23H7/24Electrode material B23H7/26Apparatus for moving or positioning electrode relatively to workpiece Mounting of electrode B23H7/265Mounting of one or more thin electrodes B23H7/28Moving electrode in a plane normal to the feed direction B23H7/30Moving electrode in the feed direction B23H7/32Maintaining desired spacing between electrode and workpiece 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