Multi-material electric spark processing electrode and processing method thereof

The invention discloses a multi-material electric spark processing electrode and a processing method thereof. The multi-material electric spark processing electrode comprises an electrode base and a component electric corrosion material arranged at the bottom of the electrode base; the component electric corrosion material consists of more than one electric corrosion material, the electric corrosion materials have different electric corrosion resistance degrees, and the electric corrosion materials and the electrode base have different electric corrosion resistance degrees; and when the electrode base and a workpiece are connected with the positive electrode and the negative electrode of a pulse power supply respectively, a superfine complex curved surface is formed on the surface of the bottom of the component electric corrosion material. According to the multi-material electric spark processing electrode and the processing method thereof, which are provided by the invention, the superfine complex curved sur