The Skymach BR1512B CNC Gantry Machining Center is a high-rigidity bridge-type double-column machining center built for large automotive stamping dies, complex plastic mold bases, energy equipment components, and aerospace structural parts. Constructed upon an ultra-rigid HT300 cast iron foundation with a heavily reinforced 8-slider vertical ram, the BR1512B effortlessly handles aggressive heavy roughing and micro-precision surface contouring under heavy workpiece loads up to 3.5 t (3,500 kg).
Comprehensive Machining Capabilities
- Heavy-Duty Roughing & Contouring: High-torque BT40 / BT50 spindle pairs with heavy-duty roller linear guideways to ensure high material removal rates without chatter.
- Large-Format Mold & Die Machining: Generous work envelope (1,500 x 1,200 x 630 mm) and wide gantry portal (1,200 mm) accommodate large die blocks and multi-station fixtures.
- Enhanced Vertical Z-Axis Stability: Z-axis features 8 preloaded roller sliders and dual nitrogen counterbalance cylinders for rapid vertical acceleration and zero vibration.
Key Engineering Highlights
- Monolithic Casting Frame: Thermally annealed HT300 bed and portal bridge ensure long-term structural alignment and superior vibration damping.
- Heavy-Duty Roller Motion: Multi-row precision roller linear guideways (45 / 45 / 45-35 mm) and ground ball screws deliver extreme load capacity and positioning accuracy.
- Dual Nitrogen Balance System: Counterbalances vertical ram weight, eliminating backlash and preventing spindle thermal distortion.
Technical Parameters
| Model | BR1512B |
|---|---|
| Table Size (X x Y) | 1500 x 1200 mm |
| X Axis Travel | 1,500 |
| Y Axis Travel | 1,200 |
| Z Axis Travel | 630 mm |
| Max. Worktable Load | 3.5 t (3,500 kg) |
| Gantry Inner Width | 1,200 mm |
| Gantry Passing Height | 950 mm |
| Spindle Nose to Table Surface | 110 - 740 mm |
| Spindle Housing Face to Table | 245 mm |
| Ball Screw Spec (X/Y/Z) | Φ50 x 40 x 40 mm |
| Roller Guideway Spec (X/Y/Z) | 45 / 45 / 45-35 mm |
| Number of Guide Sliders (X/Y/Z) | X: 6 / Y: 4 / Z: 8 |
| T-Slot Specification | 7 - M16 |
| Spindle Mounting Diameter | Φ150 mm |
| Spindle Speed | 8,000 RPM |
| Spindle Taper | BT40 / BT50 |
| Main Motor Power | 11 / 15 kW |
| Overall Dimensions (L x W x H) | 4186 x 2420 x 3010 mm |
| Total Machine Weight | 10.4 t (Casting: 9.0 t + Enclosure: 1.4 t) |










