Wire-cut EDM on metal sheet is considered an extremely precise electrothermic separation process for conductive materials. Unlike cutting methods (drilling, milling, turning), it does not mechanically remove material, but results in electrical voltage between the cutting wire and the workpiece.
Wire-cut EDM in the manufacture of slotted and precision shims
Wire-cut EDM is suitable for all conductive materials, including thin sheets of aluminium, stainless steel, steel, and brass, that are used in the manufacture of slotted shims. Wire-cut EDM of metal sheet is very time-consuming and relatively expensive, so it is judicious to use this manufacturing method only for product that require the highest precision. Wire-cut precision shims are mainly used as customized products in aerospace or medical technology.