Electrode - tool has a base of carbon for the machining by discharge electrical and method of machining a workpiece electro - conductive by means of such an electrode

摘要

Electrode - machining tool by electrical discharge. / p & & p & it is constituted by a body 4 has a carbon base comprising 50 to 90 of carbon, graphite, the remainder being of the carbon, graphite, which is divided uniformly.