The bed of machine has rectangle guide way which has high abrasive resistance after quenched.The feeding lead screw is equipped between the two guide way.The fixture of the guide carriage and clamping of workpiece is made by the servo motor and it is safe and reliable.The spindle of guide carriage and machine spindle has high concentricity and rotation precision. It is easy to change the guide bush. The machine is a kind of deep hole boring machine with easy to operate and control, high efficiency.
| Main Specifications and Features | T2250A |
| The range of boring diameter | Φ200 ~ Φ500 mm |
| The range of boring depth | 2000 ~ 12000mm |
| Workpiece clamped dia. range | φ250 ~ φ650mm |
| The diameter of headstock spindle hole | φ130mm |
| The power of main motor | N = 30kW, n = 960r/min |
| The taper of spindle bore | Metric 140# |
| Range and kinds of spindle speed | 3.15 ~ 315r/min, 21 kinds |
| Range and kinds of boring box speed | 60 ~ 1000r/min, 12 kinds |
| The power of boring box motor | N = 30kW, n = 1460r/min |
| Range of feeding speed | 5 ~ 1000mm/min (stepless) |
| Range of rapid speed of carriage | 2000mm/min |
| The motor of guide carriage | N = 7.5Kw YASKAWA AC servo motor |
| Feeding motor | N = 7.5Kw YASKAWA AC servo motor |
| Cool pump motor power | N = 5.5 kW, n = 960r/min (2 groups) |
| The flow of cooling system | 25 cubic meters/hour (two groups immersible pump) |
| The main machine precision | IT7 – IT9 |
