As the electrode approaches the workpiece, dielectric breakdown occurs rein the fluid forming a plasma channel and small spark jumps. Production dies and molds are often made with sinker EDM. Some materials, such as soft ferrite materials and epoxy-rich bonded magnetic materials are not compatible with sinker EDM as they http://martinqdnvb.blog-mall.com/14413193/5-einfache-techniken-für-cnc