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Wire EDM has been used in industry for many years

Wire EDM has been used in industry for about 50 years. Modern wire EDM machines incorporate CNC controls and built-in sensing and intelligence, making them increasingly capable and easy to use.

Zapping material to remove it
Back in the 1700s, English scientist Joseph Priestly discovered that he could erode away metal with electric discharges. However, it wasn’t until World War II that the process became useful when two Russian scientists, a married couple by the name of Lazarenko, developed a controlled method for using electricity to remove metal. In the early days, EDM was used mainly to remove broken taps and drills by feeding an electrode into the center of the broken tool. In addition to wire EDM, the same principle is used today in diesinker, or vertical EDM, which makes a cavity in the work piece using a copper or graphite electrode in the desired shape. An EDM drill uses a tubular electrode to “burn” a hole through conductive material. EDM Filter Exporter

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