The Haas ST-55 is a heavy-duty, large-bore turning center that provides heavy cutting ability, extreme rigidity, and high thermal stability. The twin-chuck capability, high-torque spindle, and large through-bore of this machine make it ideal for machining heavy pipes and fittings, large couplers, and long rollers. The large-capacity ST-55 offers the best combination of performance and value in its class, and is available with a wide selection of high-productivity options.
- Front and rear spindle noses (dual-chuck capability)
- Extra-large spindle nose and spindle bore
- 2-speed gearbox
- Fully programmable servo tailstock
Technical Data
| Travels | |
| X Axis | 432 mm |
| Z Axis | 2032 mm |
| Capacities | |
| Max Cutting Diameter | 648 mm |
| Max Cutting Length (varies with workholding) | 2032 mm |
| Spindle | |
| Spindle Nose | A1-20 |
| Max Rating | 41.0 kW |
| Max Speed | 1000 rpm |
| Max Torque | 5762 Nm @ 30 rpm |
| Spindle Bore ø | 318.0 mm |
| Turret | |
| Number of Tools | 12 Stations BOT |