The Skymach BR3022 CNC Gantry Machining Center is an ultra-heavy double-column bridge machining center engineered for large-format automotive stamping dies, aerospace structural frameworks, wind energy components, and heavy shipyard fabrications. Built on a monolithic stress-relieved HT300 cast iron foundation weighing 23.0 t (23,000 kg), the BR3022 combines massive spindle torque (286 N.m) with massive table load capacities up to 10.0 t (10,000 kg).
Comprehensive Machining Capabilities
- Heavy Roughing & Deep Pocketing: High-torque BT50 spindle effortlessly handles large face milling cutters, heavy slotting, deep-hole drilling, and rigid tapping in tough alloy steels.
- Extra-Large Mold & Die Manufacturing: Symmetrical portal bridge structure resists multi-axis cutting loads, maintaining fine 3D contour surface accuracy across expansive 3,200 x 2,300 x 1,000 mm travels.
- Enhanced Vertical Ram Performance: Z-axis is guided by 4 heavy-duty linear roller rails and balanced by dual nitrogen cylinders for rapid, vibration-free vertical dynamics.
Key Engineering Highlights
- Monolithic Gantry & Bed Castings: Integrally cast bridge and base provide unmatched structural dampening and geometric stability under continuous heavy cutting.
- Dual Nitrogen Balance System: Counterbalances vertical ram weight, eliminating backlash and thermal elongation.
- Precision Motion System: High-rigidity preloaded roller linear guideways and ground ball screws deliver rapid traverse speeds and sub-micron repeatability.
Technical Parameters
| Model | BR3022 |
|---|---|
| Table Size (X x Y) | 3000 x 1800 mm |
| X Axis Travel | 3,200 |
| Y Axis Travel | 2,300 |
| Z Axis Travel | 1,000 mm |
| Max. Worktable Load | 10.0 t (10,000 kg) |
| Spindle Nose to Table Surface | 200 - 1200 mm |
| T-Slot Specification | 9-22 x 180 mm |
| Spindle Speed | 8,000 RPM |
| Spindle Taper | BT50 |
| Main Motor Power | 22 / 26 kW (ail22) |
| Spindle Output Torque | 286 N.m |
| Rapid Traverse Feed (X/Y/Z) | 12 / 12 / 10 m/min |
| Cutting Feed Speed | 0 - 10,000 mm/min |
| Tool Magazine Capacity | 24 Tools (BT50 Disc type) |
| Tool Change Time | 6s |
| Positioning Accuracy | 0.010 mm / 1000 mm |
| Repeat Positioning Accuracy | 0.006 mm / 1000 mm |
| Overall Dimensions (L x W x H) | 8400 x 4000 x 3500 mm |
| Machine Net Weight | 23.0 t (23,000 kg) |









