| Model |
GU-3250 |
GU-3275 |
GU-32100 |
| Capacity |
| Swing over table (mm) |
320 |
320 |
320 |
| Distance between centers (mm) |
500 |
750 |
1000 |
| Max. grinding diameter (mm) |
280 |
280 |
280 |
| Max. grinding wheel dimensions (mm) |
405x56x127 |
405x56x127 |
405x56x127 |
| Max. load held between centers (kg) |
150 |
150 |
150 |
| Wheelhead automatic rapid feed stroke (mm) |
40 |
40 |
40 |
| Wheelhead automatic infeed stroke (mm) |
0.001 |
0.001 |
0.001 |
| Feed slide |
| X-axis minimum resolution increment (mm) |
0.001 |
0.001 |
0.001 |
| X-axis rapid traverse speed (m/min) |
6 |
6 |
6 |
| Z-axis minimum resolution increment (mm) |
≒0.01 |
≒0.01 |
≒0.01 |
| Z-axis max. traverse speed (m/min) |
4 |
4 |
4 |
| Z-axis can be swiveled manually in deg. (deg.) |
0~+8 |
0~+5 |
0~+5 |
| Workhead |
| Spindle speed (rpm) |
5-750 |
5-750 |
5-750 |
| Center |
MT4 |
MT4 |
MT4 |
| Swiveling angle (deg.) |
90°~30° |
90°~30° |
90°~30° |
| Tailstock |
| Hydraulic sleeve retraction (mm) |
35 |
35 |
35 |
| Center |
MT4 |
MT4 |
MT4 |
| 30 |
| Hydraulic tank (L) |
50 |
50 |
50 |
| Coolant tank (L) |
80 |
80 |
80 |
| Wheelhead lubrication (L) |
30 |
30 |
30 |
| Tailstock lubrication (L) |
0.4 |
0.4 |
0.4 |
| Driven motors |
| Wheel spindle (HP) |
5 |
5 |
5 |
| Workhead spindle (kw) |
1 |
1 |
1 |
| Hydraulic pump (HP) |
2 |
2 |
2 |
| Wheel spindle lubricant (HP) |
1 |
1 |
1 |
| Coolant pump (HP) |
1/4 |
1/4 |
1/4 |
