Wire cut E.D.M is machine of process the metal parts for discharge effect on non-contact condition compare existing machines with using Bites or Tools. Wire cut electrical discharge machine invented and developed discharge fearful technology by Numerical Control among ion water at Switzerland in 1968 by passivity transfer style at former Soviet Union in 1955. Safety of automated system operation was appeared in the machine work factory being proved, and the diffusion increased rapidly because developing cnc wire cut electrical discharge machine that automatic programming device adheres making use of minicomputer at Japan in 1970.
