Horizontal Machining

5 Axis
HU -5X Trunnion Series HU-T Table-on-Table Series HU-TS Tilt Spindle Series

4 Axis
HU Series HW Series HPX Series

Vertical Machining

5 Axis
Vertex-5X Series VL-5X Series

3~4 Axis
Vertex Series VU Series VL Series

Jig Borers

3 ~ 5 Axis Vertical

4 & 5 axis Horizontal

Jig Grinders

Thread Grinders




MITSUI SEIKI High Precision Jig Boring Machine Model J6CN 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) 1020mm (40")
Saddle table transversal travel ( Y axis) 760mm (30")
Quill vertical travel (Z axis) 300mm (11.81")
Cross rail vertical travel (W axis) 750mm (29.5")
Cross rail vertical travel (W axis) with optional ATC 700mm (27.5")
Distance between columns 1120mm (44")
Max. distance from table surface to grinding spindle nose 950mm (37.5")
Work Table
Work surface 1280 x 960 mm ( 50 x 38")
Nos. of T slots 8 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 1200kg (2,700 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 560 mm/min. (22 ipm)
Clamp / unclamp Automatic
Balance 2 Sets Air Cylinders with
auto pressure regulators
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)
Working Capacity
Drilling capacity 60 mm Ø (2.36" Ø)
Boring capacity 300 mm Ø (11.8" Ø)
Max. face milling cutter diameter 150 mm Ø (5.9" Ø) 
Minimum Resolution of X,Y and Z axies 0.001 mm (0.000039)
Spindle Drive Motor
Spindle Motor Specifications AC 7.5/5.5kw (Cont/30 Min Rating)
(10hp / 7.3hp - Cont. / 30 min)
Power required
Electrical Service Required AC 220 Volt , 3 phase, 80 amp
(60 Hz) 26 KVA
Air required
Air Service Required 6 kg/cm2 (0.59Mpa) or more (90psi)
300NL/min (11 cfm)
Machine dimensions
Length 3,790 mm (150" Approx)
Width 2,700 mm (107" Approx.)
Height Max. (Min.) 3,685 (2,935) mm (145" / 115")
Distance from floor to table surface 940 mm (37")
Weight 9,000 kg 19,800)
Floor Space
(Including peripheral equipment and maintenance area)
Length 5,800mm (19')
Width 5,180mm (17')
Height 4,575mm (15')
CNC Unit
CNC Control Fanuc 30i MA

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