Makino’s EDNC85 Ram EDM machine combines rugged construction, simple programming, and advanced design and performance features for accurate EDMing of large workpieces. Equipped with a “Rib Head” attachment, this large, heavy-duty machine can produce deep ribs as fast as or faster than the smallest Ram EDM machines on the market. Automatic tool change and adaptive controls enable high levels of unattended machining. “A-Jump”—automatic jump machining control—sets jump conditions to the machining job, eliminating the need for operator intervention.