Okamoto ACC-820-EX Hydraulic Surface Grinder

Grinding Capacity -
Maximum grinding area: 8" x 20"
Maximum height under 8" wheel: 15.7"
Table load capacity (including chuck): 440 lbs
Chuck size: 8" x 20"

Table and Feed Specifications -
Table speed: Infinitely variable from 3 to 82 FPM
Longitudinal table handfeed per revolution: 1.85"
Max longitudinal table movement (manual): 25.6"
Auto crossfeed increment: 0.02" – 0.80"
Auto continuous crossfeed: 0.010 – 40 FPM
Manual pulse feed increments: 0.0001", 0.0005", 0.002"
Maximum crossfeed: 8"
Vertical auto incremental downfeed: 0.00005" – 0.0015" per rev
Gradation of handwheel: 0.00001" (x0.1), 0.0001" (x1), 0.001" (x10)
Power rapid wheel positioning rate: 40" IPM

Spindle and Wheel -
Spindle motor: 2 HP, 3-phase AC, 200–220 V
Wheel size: 8" diameter x 1" width x 1.25" bore
Wheel speed: 6,500 SFPM, infinitely variable RPM