MITSUI SEIKI High Precision Jig Boring Machine Model J7CN with Ultra-precision accuracy for operations that demand jig boring tolerances. Provided with Integrated circuit logic, closed loop, complete electrical equipment for operation on 3-phases 50/60Hz, 200/220 Volts AC.
| Working Range | |
| Table longitudinal travel (X axis) | 1530mm (60.25″) |
| Saddle table transversal travel ( Y axis) | 1020mm (40.15″) |
| Quill vertical travel (Z axis) | 300mm (11.81″) |
| Cross rail vertical travel (W axis) | 920mm (36.25″) |
| Cross rail vertical travel (W axis) with optional ATC | 870mm (34.25″) |
| Distance between columns | 1600mm (63″) |
| Max. distance from table surface to grinding spindle nose | 1225mm (48.2″) |
| Work Table | |
| Work surface | 1830 x 1200 mm ( 72 x 72.25″) |
| Nos. of T slots | 10 on 106 mm pitch |
| Rapid feed | 5,080 mm/min. (200 ipm) |
| Fine feed | 0.1 – 2,000 mm/min. (80 ipm) |
| Permissible load table | 2000kg (4,400 lb.) |
| Spindle Saddle | |
| Rapid feed | 5,080 mm/min. (200 ipm) |
| Fine feed | 0.1 – 2,000 mm/min. (80 ipm) |
| Cross Rail | |
| Speed of cross rail elevating | 800 mm/min. (31.5 ipm) |
| Clamp / unclamp | Automatic |
| Balance | 2 Sets Air Cylinders with auto pressure regulators |
| Quill | |
| Quill diameter | 125mm – 5″ ,(145mm – 5.7″ at nose) |
| Rapid feed | 3050mm/min (120 ipm) |
| Cutting feed | 0.1 – 2,000 mm/min. (0.004 ~ 80 ipm) |
| Power required | |
| Electrical Service Required | AC 220 Volt , 3 phase, 100 amp (60 Hz) 35 KVA |
| Air required | |
| Air Service Required | 6 kg/cm2 (0.59Mpa) or more (90psi) 300NL/min (11 cfm) |
| Axis Position Feedback System | |
| Heidenhein Ultra precision glass scale on X,Y, Z axes | |
| Minimum program increment | 0.001mm (0.0001″) |
| Minimum resolution of manual movement (scale shift) | 0.0001mm (0.00004″) |
| MACHINE DIMENSIONS (excludes peripheral equipment) | |
| Length X Width X Height (Max.) | 5050 x 3245 x 3110mm (4030mm) 200″ x 128″ x 123″ (159″) |
| Height from floor to table top | 1000 mm (39.”) |
| Net weight | 14,000 kg (30,800 lb.) |
| Floor Space ( Including peripheral equipment and maintenance area) | |
| Length | 7,400mm ( 25′) |
| Width | 5,730mm (19′) |
| Height | 4,980mm (16.5′) |
| CNC Control | |
| CNC Unit | Fanuc 30iM-B |