ELECTRODE FILIFORME A REVETEMENT METALLIQUE POUR ETINCELAGE EROSIF, ET PROCEDE POUR SA REALISATION.

摘要

A filiform electrode with metal coating for spark erosion is disclosed, formed of a metal wire comprising a metal copper or copper-zinc alloy core (15) coated with a metal coating (16) comprising a copper alloy deposit. The core (15) has a substantially constant and homogeneous composition throughout its whole cross section, as far as its connecting interface (17) with the coating.