8" X 14" OKAMOTO MODEL 820 CNC PRECISION PROFILE GRINDER

Capacity Working surface of table 7.9" W X 17.9" L
Max. table travel (manual) 9.5" X 25.6"
Max. clearance below 12" 13.6"
Standard size of chuck 8" X 14" X 3.1"
Max. allowable workpiece weight on table, including chuck
and wheel dressing device 924 lbs.
Table longitudinal feed T-slots 1 No. X .669" Width
Hydraulic feed 1.0 to 83 FPM
Hand feed per revolution 1.85"
Table cross-feed Least input increment 0001"
Feed rate (tape) 04
Override 0-200%
Rapid feed 20"/min.
Manual feed by pulse generator 0001"/pulse
Manual continuous feed by jogging lever Max. 20"/min.
Wheel vertical feed Least input increment .0001"
Sparkout times 0 - 16
Grinding wheel Outside dia. X W X bore 12 X 1. 5 X 3"
Speed (infinitely variable) 500 - 3500 RPM
Floor space (L X W X H) 138.6" X 92.9" X 95.7"
Weight 4,400 lbs.

MOTOR SPECIFICATIONS

5 HP DC Wheel spindle motor
2 HP AC Hydraulic pump motor
.4 HP AC Coolant pump motor
1 HP X 1/2 HP AC Oil temperature regulator