MITSUI SEIKI Ultra High Precision - Horizontal Jig Boring Machining Model H6D with 60 station Automatic Tool Changer. Fully closed looped linear scale feed back system and B axis indexing table with 0.0001DEG, FANUC-30iM Numerical control unit, 4 axes controlled with high production capability for drilling, boring, tapping and reaming. High rigid machine bed with T-layout monoblock construction. Spindle head with ceramic ball bearings lubricated by air /oil, is mounted on hand scrapped V-V guide on double column. X and Z slide ways with V/V guides are precisely hand scrapped, and there are precision needle roller bearings in order to avoid stick slip over full travel. This the rigid and stable platform can achieve superior geometrical accuracy with ultra high positioning capability Integrated circuit closed loop complete electrical equipment for operation on 3 phases, 50/60 Hz., 200/220 Volts A.C.