Okamoto PSG157B

Fully Automatic Surface Grinder
OKAMOTO PSG157B
Year: 1987

Table Size: 64.96″ x 28.74″
Grinding Wheel Width: 50 mm
Grinding Wheel Diameter: 510 mm
Machine Weight: 20,944 lbs

Working Area:
Max Longitudinal Travel: 64.96″
Max Cross Traverse: 28.74″
Max Distance Table to Spindle Axis: 37.40″

Table:
Ground Length: 61.02″
Ground Width: 27.56″
Hydraulic Speed: 0.98–82.02 ft/min
Hand Feed: 0.98 in/rev
T-slots: 3 x 0.67″

Column (Cross Feed):
Hydraulic (Intermittent): 0.20–1.38 in/min
Hydraulic (Continuous): 0.98–196.85 in/min
Hand Feed: 0.079 in/rev
Dial Graduation: 0.00039 in

Spindle Head (Vertical Feed):
Auto Feed per Table Stroke: 0.0002–0.0020 in
Rapid Feed: 11.81 in/min
Hand Feed: 0.0394 in/rev
Dial Graduation: 0.0002 in

Grinding Wheel:
Size: 20.08″ x 1.97″ x 5.00″
Spindle Speed: 980 rpm (50 Hz), 1100 rpm (60 Hz)

Motors:
Wheel Spindle: 10.05 hp
Hydraulic Pump: 7.38 hp
Vertical Rapid Feed: 1.01 hp