Wire Erosion

The are many forms of wire erosion wire is on a spool and fed through an electrode on top and fed the wire through your work piece in the middle and then through you bottom electrode electricity from the power supply and using a dielectric fluid which is been flushed onto both work piece and wire from spool and when it comes into contact with set work piece. AND whatever shape you programed on [AUTOCAD OR MASTERCAM] to be cut out.