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8" X 20" OKAMOTO MODEL 820A PRECISION SURFACE GRINDER

GRINDER SURFACE
Manufacturer:
OKAMOTO
Model:
820A
Year:
1989
Stock #:
10033
8" X 20" OKAMOTO MODEL 820A PRECISION SURFACE GRINDER

Longitudinal table travel 25.59"
Cross table travel 9.0"
Work height - table to wheel 15.6"
Longitudinal table feed 1 to 83 FPM
Cross intermittent feed .02" to .8"
Cross continuous feed 4 to 40 IPM
Vertical feed per table stroke / saddle reversal .0002" to .0015"
Grinding wheel 8" x 1" x 1 1/4"
Bore
Grinding wheel speed 3,600 RPM
Main spindle motor 2 HP, 3 Phase
Approx. weight 3,780 LBS

MOTOR SPECIFICATIONS

2 HP
3 Phase

8" x 20" Electromatic magnetic chuck
Coolant pan
Push button controls
Manuals
Automatic incremental downfeed
Automatic lubrication system
Coolant system with magnetic seperator

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