MIRROR FACE MACHINING ELECTRODE BY ELECTRIC DISCHARGE

摘要

PURPOSE:To finish a mirror face, by constituting an electric discharge machining electrode in such a manner that many electrode materials are mutually insulated and bound then electrically conducted to flow a current through their respective current limiting units. CONSTITUTION:An electric discharge machining electrode 53 is constituted by collecting many electrode materials 57a-57n. The respective electrode materials are adhesively mounted by a conductive adhesive material or the like to resistors 59a-59n formed by machining grooved parts (g) to a carbon block 66 and constituted to be electrically conducted to flow a current from a current conducting plate 60. Electric discharge machining is performed while applying swivel motion to said electrode 53 to decrease spray capacity between the electrode and a work and enable the machining of a mirror face.