Okuma GI-20NII-2WS CNC Internal Grinder, 2021 – Low Hours

(Rear Spindle) mm (in.) 400 (15.76) – wheel diameter O.D. grinding range (Rear spindle) mm (in.) No O.D. grinding on operator side Max. O.D. Grinding diameter (Front spindle) mm (in.) 300 (11.81) – wheel diameter I.D. grinding range (Front spindle) mm (in.) 300 (3.94) – wheel diameter Max. grinding length mm (in.) 200 (7.87) Swing within chuck guard mm (in.) 400 (15.75) Work Length mm (in.) Max. 200 (7.87) Work weight x length kg x mm (lb x in.) 150 x 200 (330 x 7.87) WORK SPINDLE Spindle nose diameter mm (in.) 100 (3.94) Max Spindle speed 75,000 RPM – Spindle 2 – 50,000 RPM Spindle bore mm (in.) 70 (2.76) Spindle speed range rpm 100 ~ 750 Spindle speed changes Infinitely variable by NC program WORKHEAD Swivel angle degree 10 CROSS-SLIDE ( X AXIS) Travel mm (in.) -50 to 150 (-1.97 to 5.91) Pulse handle travel per graduation mm 0.001, 0.01, 0.05 Pulse handle travel per revolution mm 0.1, 1, 5 Auto infeed rate mm/min (ipm) 0.0012~6,000 (0.00005~236) Positioning rate mm/min (ipm) 12,000 (472) TABLE (Z AXIS) Travel mm (in.) 500 (19.69) Pulse handle travel per increment mm 0.001, 0.01, 0.05 Pulse handle travel per revolution mm 0.1, 1.0, 5 Auto infeed rate mm/min (ipm) 0.0006~3,000 (0.00002~118) Table oscillation travel mm (in.) Max. 10 (0.39) by parameter setting Positioning rate mm/min (ipm) 20,000 (787)

All specifications are assumed to be correct but must be confirmed by the purchasing entity.