The molybdenum wire wound on the wire carrier cylinder of the middle wire WEDM moves at a certain speed along the rotation direction of the wire carrier cylinder. The workpiece installed on the worktable of the WEDM machine tool will make relative mechanical movement according to the programming track by the control system of the middle wire cutting machine tool. When the other electrode is connected to the molybdenum electrode for wire cutting. A certain discharge gap is maintained between the workpiece and the molybdenum wire to release a certain voltage and current, so as to ensure continuous WEDM electrode discharge of the workpiece, and then all kinds of irregular parts qualified within the processing size can be processed.
