Product Description
Specification:
| Constant 390B | Constant 390D | |
| Capacity | ||
| Swing over Bed | 800mm | 800mm |
| Swing over Saddle | 500mm | 500mm |
| Maximum Turnable O.D | 600mm | 600mm |
| Maximum Turnable Length | 750mm | 1250mm |
| Bar Capacity | 90mm | 90mm |
| Spindle | ||
| Chuck Size | 15″ (18″) | 15″ (18″) |
| Spindle Speed | 2500RPM | 2500RPM |
| Spindle Nose | ISO A2-11 | ISO A2-11 |
| Spindle Motor | 22/26kW | 22/26kW |
| Frontal Bearing | – | – |
| Turret | ||
| Tool Station | 12 | 12 |
| O.D Tool Holder | 32 x 32mm | 32 x 32mm |
| I.D Tool Holder | 50mm | 50mm |
| Station to Station Time | 0.5 (0.3)secs | 0.5 (0.3)secs |
| Drive | Hydraulic (Servo) | Hydraulic (Servo) |
| Travel | ||
| X Axis Travel | 360 + 25 | 360 + 25 |
| Z Axis Travel | 770mm | 1270mm |
| X/Z Rapid | 20/20m/min | 20/20m/min |
| Least Input | 0.001mm | 0.001mm |
| X/Z Servo Motor | 4/4kW | 4/4kW |
| Accuracy | ||
| Positioning Accuracy | 0.005/1000mm | 0.005/1000mm |
| Repeatability Accuracy | 0.003/1000mm | 0.003/1000mm |
| Tailstock | ||
| Quill Tapper | MT#6 | MT#6 |
| Maximum Travel | 800mm | 1300mm |
| Quill Diameter | 110mm | 110mm |
| Quill Travel | 130mm | 130mm |
| Coolant | ||
| Coolant Tank Capacity | 250L | 250L |
| Coolant Motor | 1.5Hp | 1.5Hp |
| Others | ||
| Machine Dimensions (L x W x H) | 4000 x 2310 x 2000mm | 4600 x 2310 x 2000mm |
| Machine Weight | 7500kg | 8500kg |
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