![]() Wire EDM’s production speed makes it incredibly useful for prototyping. While 3D printing is often considered the foremost prototyping technology nowadays, Wire EDM is no slouch in that department. Wire EDM Applications: What is Wire EDM Used For? Prototyping You can create small slots, square corners, and complex shapes and designs within the metal that are impossible with, for instance, CNC milling. The remarkable thing about Wire EDM technology is that using this method, it is possible to create certain geometrical features on your piece that are next to impossible with other types of CNC machine. Wire EDM machines can be rotated on these axes to create tapered indentations and very precise machined cuts. ![]() Wire EDM machines can also move along five axes, including being inclined, to create tapered effects on the metal and offering more degrees of freedom. At certain voltage levels, a pass of the wire can remove as little as 0.0001 inches of metal from the surface, removing the rough outer layer creating a smooth and shiny finish. You can also reduce the machine’s voltage to engineer surface finish. The wire can be highly charged in order to cut away large pieces of material. Sparks jump the gap and melt away excess metal. No actual contact is made between the wire and the material, which prevents distorting the path of the wire or damaging the part. Wire EDM, also known as Wire-Cut EDM, works in a very similar way, using a rapidly charged conductive metal wire to melt the material. It also washes away the waste material, a process called flushing. The whole process takes place within a bath of deionized water that cools the machine - increasing the water’s resistivity. The heat is carefully targeted to melt away metal from a larger metal block and carefully construct the intended design. These sparks are incredibly hot, between 8,000☌ and 12,000☌. With the first functioning EDM machines being developed in the war-torn Soviet Union by physicist brothers the Lazarenkos in 1943, Wire EDM was not far behind.ĮDM works by creating an electrical charge that emits sparks. Eighteenth century British Chemist Joseph Priestley observed how electrical charges had removed material from the metal electrodes in his experiments as early as 1770. ![]() The theory on which Electrical Discharge Machining (EDM) is based is centuries old. How Much Does Wire EDM Cost? What is Wire EDM?.Wire EDM Applications: What is Wire EDM Used For?. ![]()
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