close up scene the 4-axis edm machine working process with copper electrode in the light blue scene

sink cutter machine discharge electric edm sinker 4axis electrode copper spark industry technology high production molding material line mould die mold process manufacturing eroding iron forming mechanical workpiece erosion metalwork electrical machining steel cut precision engineering manufacture processing tool industrial machinery system mechanic equipment work workshop cnc factory tooling metalworking close scene 4-axis working light blue scene