Technical details
INTERIOR GRINDING MACHINE OKUMA MODEL GI-20NII – CNC OSP U20G
Internal grinding diameter | mm 5 – 300 |
Grindable external diameter (with grinding wheel diam. 100mm) | mm 200 |
Maximum grinding length | mm 200 |
Maximum grinding length (4WS 4-spindle model) | mm 130 |
Maximum diameter that can be ground in the clamps | mm 300 + grinding wheel |
Max. permissible diameter in the chucking guard | mm 400 |
Maximum workpiece length | mm 200 |
Maximum workpiece length (4WS) | mm 130 |
Maximum permissible workpiece length | mm 200 |
Spindle connection diameter | mm 100 |
Spindle bore | mm 70 |
Rotation speed range | rpm 100-750 |
Spindle speed variation | continuously variable |
Maximum angle of workpiece-holding head | ° 10 |
Crossfeed slide travel (x-axis) | mm -50 + 150 |
Longitudinal axis travel (z-axis) | mm 500 |
Positioning speed | 20 |
Maximum angle of the grinding head | ° 5 |
Grinding wheel head travel | mm 350 |
Maximum grinding wheel diameter | mm 100 |
Workpiece spindle power | KW 2,4 |
Machine weight | Kg. 4200 |