Horizontal Machining

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

4 Axis
HU 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 5-AXIS Jig Grinder Model 7GAN with Five simultaneous axes motions, ultra-precision accuracy operations provides efficiency grinding exotic materials, fine cermics, carbide and conventional materials that demand jig grinding tolerances. 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) 1,525 mm
Saddle table transversal travel ( Y axis) 1000 mm
Quill vertical travel (Z axis) 140 mm
Cross rail vertical travel (W axis) 840 mm
Distance between columns 1,600 mm
Max. distance from table surface to grinding spindle nose 0 ~ 1000 mm
Work Table
Work surface 1,850 X 1,200 mm
Nos. of T slots 10 on 106 mm pitch
Rapid feed 5,000 mm/min.
Fine feed 0.1 - 2,000 mm/min.
Permissible load table 2,000 kg
Spindle Saddle
Rapid feed 5,000 mm/min.
Fine feed 0.1 - 2,000 mm/min.
Cross Rail
Speed of cross rail elevating 790 mm/min.
Main spindle speed 5 - 300 rpm
Radial adjustment of planetary motion (Fine adjustment) 0 - 500 mm dia.
Min. graduation of radial adjustment on dia. 0.001 mm dia.
Spindle quill vertical travel 140 mm
Chopping 135mm
Oscillating speed/25mm (1") 250 cycle/min
C Axis
Rapid feed 2,600 deg/min.
Fine feed 0.1 - 2,600 deg/min.
Automatic Wheel Infeed
Pre-set data storage 10 sets
Minimum resolution 0.001mm (on dia.)
Infeed increment 0.001 - 4.000mm (on dia.)
Pre-settable infeed amount 4.000mm (on dia.)
Numbers of cycle/increment 1 - 99
Grinding Capacity
Largest hole ground without adapter 100mm dia.
Largest hole ground with adapter 310mm dia.
Smallest hole ground 0.5mm dia.
Taper grinding angle (Standard taper/reverse taper) 0º - 3º
 included angle over full travel of quill
Machine Dimensions
Length X Width X Height(Max.) 4,625 X 3,560 X 3,175mm
Height from floor to table top 1000 mm
Net weight 13,650 kg
Power Service Required
Electrical Service 25 KVA (Standard)
Compressed Air
Air pressure 6 kg/cm2(0.59Mpa) or more
Max. air consumption 300NL/min
CNC Control Unit Fanuc 30i
Standard Specifications
Controlled axis 4 axes (X, Y, C and Z)
Simultaneously controlled axis 4 axes
Least input increment: X, Y and Z axis 0.001 mm
C axis 0.001 deg.
Minimum Resolution
X, Y and Z axis 0.0001 mm
C axis 0.0005 deg
Z axis 0.0005 mm
Rapid Feed
X and Y axis 5,000mm/min
Z axis 3,000mm/min
C axis 2,600 deg/min
Cutting Feed rate
X and Y axis 0.1 - 2,000 mm/min
Z axis 0.1 - 3,000 mm/min
C axis 0.1 - 2,600 deg/min
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