MITSUI SEIKI High Precision Jig Grinder Model 4GDN with Ultra-precision accuracy operations provides efficiency grinding of exotic materials, fine cermics, carbide and conventional materials that demand jig grinding tolerances.
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MODEL 4GDN WITH FANUC 30IMB
In stockWorking Range
| Table longitudinal travel (X axis) | 610mm (24.0″) | |
| Saddle table transversal travel (Y axis) | 410mm (16.1″) | |
| Quill vertical travel (Z axis) | 140mm (5.5″) | |
| Cross rail vertical travel (W axis) | 460mm (18.1″) | |
| Distance between columns | 730mm (28.7″) | |
| Max. distance from table surface to | 20~480mm | |
| grinding spindle nose | (0.8~18.9″) | |
Work Table
| Work surface | 790 x 600 mm (31 x 23.6″) | ||
| Nos. of T slots | 4 on 100 mm pitch | ||
| Rapid feed | 5,080 mm/min. (200 ipm) | ||
| Fine feed | 0.1 – 2,000 mm/min. (80 ipm) | ||
| Permissible load table | 775 kg (1,700 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 | 500 mm/min. (20 ipm) | ||
Spindle
| Main spindle speed | 5 – 300 rpm | |
| Radial Fine adjustment of planetary motion | 0.0013 – 2.032 mm dia. | |
| Min. graduation of radial adjustment on dia. | 0.0001 mm dia. | |
Quill
| Spindle quill vertical travel | 140 mm (5.5″) | |
| Chopping | Max 135mm | |
| Oscillating speed/25mm (1″) | 250 cycle/min (1″ stroke) | |
C Axis
| Rapid feed | 2,600 deg/min. (7.2 RPM) | |
| Fine feed | 0.1 – 2,600 deg/min. | |
Automatic Wheel Infeed
| Pre-set data storage | 10 sets | |
| Minimum resolution | 0.0001mm (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 Heads
| High frequency electric motor | 9,000-45,000 rpm | |
| for Low speed grinding head 0.75kw (1 HP, STD) | ||
| for Low speed grinding head w/ATC 0.75kw (1 HP, STD) | 9,000-30,000 rpm | |
| for High speed head 0.28kw (0.4HP,Option.) | 18,000-90,000 rpm | |
| for Heavy Duty (Option) grinding head 0.75kw (1 HP) | 4,500 ~ 22,500 rpm | |
| Air turbine (Option) for Low speed head | Max. 175,000 rpm | |
Grinding Capacity
| Largest hole ground without adapter | 100mm dia. (3.9″) | ||
| Largest hole ground with adapter | 310mm dia.(12.2″) | ||
| Smallest hole ground | 0.5mm dia.(0.02″) | ||
| Taper grinding angle (Standard taper/reverse taper) | 0 – 3 deg. | ||
| included angle over full travel of quill | |||
Machine Dimensions
| Length X Width X Height (Max.) | 2,970 x 2,845 x 2,290mm | |
| Height from floor to table top | 800 mm (31.5″) | |
| Net weight | 5,455 kg (12,000 lb.) | |
Electrical Service Required
| Power Required | 20 KVA(standard) | |
Compressed Air Required
| Air pressure | 6 kg/cm2 (0.59Mpa) or more (90psi) | ||
| Max. air consumption | 300NL/min (11 cfm) | ||
CNC Control
| NC unit | FANUC 30iMB |
Rapid Traverse rate
| X and Y axis | 5,000mm/min (200ipm) | |
| Z axis | 3,000mm/min (120 ipm) | |
| C axis | 2,600 deg/min | |
Cutting Feed rate
| X and Y axis | 0.1 – 2,000mm/min (80ipm) | ||
| Z axis | 0.1 – 13,000mm/min (512 ipm) | ||
| C axis | 0.1 – 2,600 deg/min | ||
Integrated circuit logic, closed loop, complete electrical equipment for operation on 3-phases 50/60Hz 200/220 Volts AC.