| STANDARD MACHINE SPECIFICATION | LT660 | ||
| CAPACITY | Height of centers | mm | 330 |
| Swing over bed | mm | 660 | |
| Swing over cross slide | mm | 420 | |
| Width of bed | mm | 560 | |
| Distance between centers | mm | 1410; 1910; 2910; 3910; 4910; 5910 | |
| SPINDLE | Spindle nose DIN 55027 | No | 11 |
| Front bearing diameter | mm | 140 | |
| Spindle bore | mm | 103 | |
| Spindle taper | Metric | 120 | |
| HEAD STOCK | Number of spindle speeds | 3 | |
| I – Range | rpm | 9 – 55 | |
| II – Range | rpm | 37 – 220 | |
| III – Range | 220 – 1320 | ||
| TRAVELS AND FEEDS | Longitudinal feed (Z-axis) | m/min | 8 (max) |
| Lateral feed (X-axis) | m/min | 8 (max) | |
| Rapid traverse (Z and X-axis) | 8 (max) | ||
| Cross slide maximum travel | mm | 430 | |
| BALL SCREW | Z-axis | mm | 50 х 10 |
| X-axis | mm | 32 х 5 | |
| TAIL STOCK | Quill diameter | mm | 105 |
| Quill travel | mm | 225 | |
| Quill taper | Morse | 6 | |
| DRIVES | Main drive power | kW | 15kW (AT160M4) |
| Z-axis servo drive power | kW/N.m | 18 N.m (3,77kW) (1FK7100) | |
| X-axis servo drive power | kW/N.m | 11 N.m (2,29kW) (1FK7063) | |
| Spindle maximum torque | N.m | 2000 | |
| Z-axis tow strength | daN | 1250 | |
| X-axis tow strength | daN | 1050 | |
| TOOL HOLER | Quick change type | MC | |
| CNC SYSTEM | Siemens | ||
| WEIGHT | For DBC 3000 mm | kg | 5700 |
| CNC System and servo drives available also: Heidenhain; Fanuc; Fagor | |||
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