RB Series – the rigid compact series
- Even the largest workpieces can be loaded interference free by crane.
- RB-212
| Specification | unit | RB-212 | RB-312 |
| X travel (left & right) | mm | 2,120 | 3,060 |
|---|---|---|---|
| Y travel (in & out) | mm | 1,200 | 1,200 |
| Z travel (up & down) | mm | 800 | 800 |
| Table size (X direction) | mm | 2,000 | 3,000 |
| Table size (Y direction) | mm | 1,100 | 1,100 |
| Table load capacity | kg | 3,500 | 4,500 |
| Spindle motor (cont./30 min. rating) | kW | 15 / 18.5 | 15 / 18.5 |
| Spindle speed | min-1 | Geared spindle 10 – 6,000 | Geared spindle 10 – 6,000 |
| Spindle output torques | Nm | 426.7 / 526.3 | 426.7 / 526.3 |
| Spindle taper | BT#50 (ISO 50) | BT#50 (ISO 50) | |
| Rapid traverse rate X axis | mm/min | 24,000 | 24,000 |
| Rapid traverse rate Y, Z axes | mm/min | 24,000 / 15,000 | 24,000 / 15,000 |
| Cutting feedrate (max) | mm/min | 1-10,000 | 1-10,000 |
| Axial ball screw size: | |||
| X axis (ø x pitch) | mm | 50 x 20 | 63 x 25 |
| Y axis ( ø x pitch) | mm | 40 x 12 | 40 x 12 |
| Z axis ( ø x pitch) | mm | 40 x 10 | 40 x 10 |
| Axial motor power (X/Y/Z) | kW | 4 / 4 / 4 | 4 / 4 / 4 |
| Tool magazine capacity (stations) | 32 (40 option) | 32 (40 option) | |
| Max. tool diameter / adjacent pocket empty | mm | 127 / 215 | 127 / 215 |
| Max. tool length (from gauge line) | mm | 400 | 400 |
| Max. tool weight | kg | 15 | 15 |
| Positioning accuracy (JIS 6338) | mm | ±0.005 / full travel | ±0.005 / full travel |
| Positioning accuracy (VDI 3441) | mm | P 0.020 | P 0.025 |
| Repeatability (JIS 6338) | mm | ±0.003 | ±0.003 |
| Repeatability (VDI 3441) | mm | Ps 0.015 | Ps 0.020 |
| Axis guideways | Linear roller guides | Linear roller guides | |
| Machine weight | kg | 18,000 | 23,000 |