20" x 48" Okamoto Model PSG-125 Column Type Precision Hydraulic Surface Grinder (1980)

Okamoto Model PSG-125B Column Type Precision Hydraulic Surface Grinder

Working Surface of Chuck: 20" x 48"
Grinding Length (Maximum): 47.24"
Grinding Width (Maximum): 20"
Distance under 20" Wheel to Table Top (Maximum): 23.4"
Longitudinal Travel of Table (Maximum): 51.22"
Cross Travel of Column (Maximum): 20.86"
Surface Length: 47.24"
Surface Width : 19.7"
T-Slot of Table: 3" x .669"
Longitudinal Movement of Table
Hydraulic Feed: 1 - 100 FPM
Hand Feed per Revolution: .984"
Cross Movement of Column
Hydraulic Intermittent Feed: .20 - 1.37"
Hydraulic Continuous Feed: 1 - 16.4 ft/min
Hand Feed per Revolution: 0.2
Graduation of Handwheel: 0.001"
Vertical Movement of Wheel Head
Automatic Feed per Table Stroke: 0.0002 - 0.002"
Automatic Feed per Column Reversal: 0.0002 - 0.002"
Graduation of Handwheel: 0.0002"
Hand Feed per Revolution: 0.04"
Vertical Rapid Feed: 12 IPM
Grinding Wheel Diameter: 20" x 2" x 5" Bore
Spindle Speed: 1,100 RPM
Current Electrical Arrangement: 230/460/3/60