Okamoto PRG-6 Surface Grinder with Rotary Table
Okamoto Rotary Surface Grinder (Horizontal Spindle)
Model PRG-6
Serial Number 1075
Year : 1983
CATALOG SPECIFICATIONS: Use as a guide. Verify by inspection
Diameter of magnetic chuck: 23.6″ ( “concentric pole” fine-division electro-magnetic chuck)
Max. swing : 29.5″
Max. height, under 14″ wheel: 7.87″
Max. wheel size: 14″dia. x 1.5″ width
Grinding wheel motor: 10 HP
Auto spindle downfeed: 0.0001 – 0.001 IPR
Rapid feed: 11.2″ IPM
Hand feed: 0.02 IPR
One graduation of dial: 0.0001″
Max. angle (convex/concave) 3°
Chuck speed (inf. Variable): 20 TO 150 RPM
Table travel: 15.7″ (max.)
Table traverse rate: 0 – 15 FPM
Table tilt: +/- 3°
Hydraulic motor: 3 HP
Table drive motor (DC): 3 HP
Dimensions: 88″ L/R x 108″ F/B x 80″ Tall
Weight (approx.). 7,800 lb.
Digital Read Outs
Variable holding power with Neutrofier control for the electro-magnetic chuck
Incremental downfeed
Automatic grinding cycle with sparkout
Infinitely variable table speeds and longitudinal feeds
Power rapid wheel elevation Up/Down
Coolant system with magnetic separator
Fuji Dust Collector
