High Rigidity B, C Dual Axis Universal Milling Head
Modular design, symmetric fork structure, DD motor installed on each side of fork structure, the spindle motor is installed in the center of rotary axis.
One-piece casting in GGG40 nodular graphite cast iron possesses higher rigidity and vibration damping capability.
Integrated direct-driven motor along with hydraulic clamping system in B, C axis; if compared with traditional worm gear design provides multiple benefits like higher accuracy, zero backlash and low wear out.
Integrated water cooling circuit effectively reduces thermal deformation.
Coolant through spindle at 20 Bar is optional available.
One Second to instantaneous positioning and clamping Hydraulic clamping force : 10,000 Nm ( 7,350 ft-lb )
| B-axis | C-axis | |
|---|---|---|
| Max. spindle speed | 50 rpm | 50 rpm |
| Max. Accel. speed | 30 rad/sec2 | 30 rad/sec2 |
| Continuous torque | 1,400 Nm ( 1,030 ft-lb ) | 1,450 Nm ( 1,070 ft-lb ) |
| Max. torque | 2,200 Nm ( 1,620 ft-lb ) | 2,400 Nm ( 1,770 ft-lb ) |
| Clamping torque | 10,000 Nm ( 7,350 ft-lb ) | 10,000 Nm ( 7,350 ft-lb ) |
| Positioning accuracy | ± 3 arc.sec | ± 3 arc.sec |
| Rotary range | ± 100˚ | ± 240˚ |
Optimized symmetric fork structure provides best rigidity.
Cutting force flow is more evenly distributed in symmetric structure.
High rigidity cross roller bearings ( diameter B-axis : 150 mm ( 5.9" ) / C-axis : 320 mm ( 12.5" ) ) can withstand higher axial load, radial load and coupled load in both direction.
Hydraulic clamping system effectively locked both rotational axes to support heavy cutting at fixed angle.
B, C-axis accuracy and efficiency is effectively enhanced via high resolution absolute encoder.
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