Preparation of hollow electrode used for micro ECM

Tooling aspects of micro electrochemical machining (ECM) technology: Design, functionality, and fabrication routes

“…For micro-tubes with diameters of less than 200 µm, assembly and nesting are utilized for mounting and connecting the liquid path. A tubular tool was prepared by Kong et al (2015). through a metal tube welding approach, as shown in Fig.…”