EDM Electrodes For Spark Erosion
Electrode wire for WEDM:
(1) The electrode wire of the slow-moving wire generally uses copper wire;
(2) Molybdenum wire is generally used for high-speed wire feeding.
Product Introduction
The EDM electrodes for spark erosion is indispensable in spark machining.
During spark machining, the electrode and the workpiece are respectively connected to the two poles of the pulse power supply. The pulsed voltage applied to the electrodes and the workpiece produces spark discharges. The instantaneous temperature of the discharge can be as high as more than 10,000 degrees Celsius, and the high temperature makes the surface of the workpiece partially vaporized or melted.
Immediately after the next pulse voltage, the spark discharge is generated between the electrode and the workpiece, and the above process is repeated.
Through countless repeated pulse discharges, the shape corresponding to the shape of the electrode is finally processed. Therefore, as long as the shape of the electrode is changed, various complex profiles can be processed.
In spark machining, the role of the electrode is to deliver the machining pulse and remove the workpiece with minimal loss of the electrode itself. Commonly used EDM electrodes for spark erosion materials are copper, graphite, copper-tungsten alloy, silver-tungsten alloy, steel, brass, cast iron, etc.
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