The GMB3020 Automatic Gantry Type CNC Milling Machine is designed for high precision, stability, and efficiency. With a large worktable (1800×3000mm), robust spindle system, and high-speed feed capability, it is ideal for heavy-duty machining in aerospace, automotive, energy, and precision engineering industries.
Equipped with BT50 spindle taper, a max spindle torque of 560N·m, and 24/32 tool magazine options, the GMB3020 ensures powerful cutting performance with reliable accuracy. Its linear guideways and high-strength structure deliver excellent rigidity and vibration resistance, making it suitable for both high-speed finishing and heavy material removal.
Specification
| Specification | GMB3020 |
|---|---|
| Worktable size (L×W) | 1800×3000mm |
| T-slots size (N×W×D) | 9-22×190mm |
| X/Y/Z axis travel | 3200×2000×1000mm |
| Max. distance from spindle end to table surface | 180-1180mm |
| Distance between two columns | 2000mm |
| Spindle taper | BT50/190 |
| Spindle speed | 40-6000r/min |
| Max. spindle output torque | 143N·m |
| Spindle motor power | 15/18.5kw |
| Motor model | βiIP 30 |
| Power volume | 50KVA |
| Gear reduction ratio | 1:1 / 4:1 |
| Max. output torque of gear spindle | 560N·m |
| Rapid feed speed (X/Y/Z) | 15/15/12m/min |
| Cutting feed speed range | 1-10000mm/min |
| Feeding motor model (X/Y/Z) | βiS40/30/30B |
| Feeding motor power (X/Y/Z) | 3/3/2.5kw |
| Feeding motor torque (X/Y/Z) | 90/68/68Nm |
| X/Y/Z axis ball screw | 8020 / 5010 / 5010mm |
| X/Y/Z guideway type | 55-10 / 55-4 / Linear guideway |
| Tool magazine capacity | 24/32T |
| Max. weight of the tools | 18kg |
| Max. tool diameter (fully) | Φ110mm |
| Max. tool diameter (spacing) | Φ220mm |
| Max. tool length | 350mm |
| Tool change time (T-T) | 3s |
| Positioning accuracy (X/Y/Z) | 0.030 / 0.020 / 0.015mm |
| Re-positioning accuracy (X/Y/Z) | 0.014 / 0.012 / 0.010mm |
| Machine dimensions (L×W×H) | 9000×4250×4100mm |
| Max. loading of worktable | 5000kg |
| Net weight | 24000kg |
Main Features
1.Large Travel Capacity: X/Y/Z axis travel of 3200×2000×1000mm for machining large components.
2.Powerful Spindle: BT50 spindle taper with max torque of 560N·m and speed up to 6000 rpm.
3.High Accuracy: Positioning accuracy 0.030/0.020/0.015mm; repeatability within 0.014/0.012/0.010mm.
4.Efficient Tool System: 24/32T magazine, 3s tool change time, max tool weight 18kg.
5.Heavy Load Capacity: Table load up to 5000kg, machine weight 24000kg for stable operation.