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专利名称：ELECTROLYTICALLY CUTTING GROOVES发明人：JAMES DAIR ANDREWS申请号：AU7885981申请日：19811223公开号：AU542038B2公开日：19850131
摘要：A method of and apparatus for electrolytically forming relatively narrowgrooves which may extend either part way or entirely through a workpiece, in whichexcessive groove width is avoided by reducing electrical current density between majorsides of the electrode disk and side surfaces of the groove as the groove is beingformed. To reduce the density of electrical current between the side surfaces of thegroove and the major sides of the electrode disk, the electrode disk is provided withopenings which extend between the major sides of the disk, and are positioned radiallyinwardly from the periphery of the disk. The openings reduce the side surface area of thedisk available for the establishment of current flow to thereby tend to minimize theextent to which the sides of the groove are electrolytically eroded during formation ofthe groove.
申请人：ELECTRODRILL INC.
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