LB-Series - the large strong series
- Interchangeable milling heads...
- ...offering automatic head...
- ...and tool changing available
- LB-321
| Specification | Unit | LB-321 | LB-421 | LB-521 | LB-325 | LB-425 | LB-525 | LB-625 |
| X travel (left & right) | mm | 3,060 | 4,060 | 5,060 | 3,060 | 4,060 | 5,060 | 6,060 |
|---|---|---|---|---|---|---|---|---|
| Y travel (in & out) | mm | 2,150 | 2,150 | 2,150 | 2,550 | 2,550 | 2,550 | 2,550 |
| Z travel (up & down) | mm | 800 standard, [1,000, 1,200, 1,400 option] | 800 standard, [1,000, 1,200, 1,400 option] | |||||
| Table size (X direction) | mm | 3,000 | 4,000 | 5,000 | 3,000 | 4,000 | 5,000 | 6,000 |
| Table size (Y direction) | mm | 2,000 | 2,000 | 2,000 | 2,400 | 2,400 | 2,400 | 2,400 |
| Table load capacity | kg | 12,000 | 15,000 | 18,000 | 12,000 | 15,000 | 18,000 | 20,000 |
| Spindle motor (cont./30 min. rating) | kW | 22 / 26 | 22 / 26 | 22 / 26 | 22 / 26 | 22 / 26 | 22 / 26 | 22 / 26 |
| Spindle speed | min-1 | Geared spindle of 10 – 6,000 (standard), 10 – 4,000 geared spindle for Z axis travel of 1,000 (option) | Geared spindle of 10 – 6,000 (standard), 10 – 4,000 geared spindle for Z axis travel of 1,000 (option) | |||||
| Spindle output torques | Nm | 626.2 / 740.1 at 6,000 min-1 910 / 1,077 at 4,000 min-1 | 626.2 / 740.1 at 6,000 min-1, 910 / 1,077 at 4,000 min-1 | |||||
| Spindle taper | BT#50 (ISO 50) / DIN69871A | BT#50 (ISO 50) / DIN69871A (option) | ||||||
| Rapid traverse rate X axis | mm/min | 24,000 | 18,000 | 18,000 | 24,000 | 18,000 | 12,500 | 9,000 |
| Rapid traverse rate Y, Z axes | mm/min | 20,000 / 15,000 | 20,000 / 15,000 | 20,000 / 15,000 | 20,000 / 15,000 | 20,000 / 15,000 | 20,000 / 15,000 | 20,000 / 15,000 |
| Cutting feedrate (max) | min-1 | 1-10,000 | 1-10,000 | 1-8,000 | 1 – 10,000 | 1 – 10,000 | 1 – 8,000 | 1 – 8,000 |
| Axial ball screw size: | ||||||||
| X axis (ø x pitch) | mm | 63 x 25 | 80 x 25 | 80 x 25 | 63 x 25 | 80 x 25 | 80 x 25 | 80 x 25 |
| Y axis ( ø x pitch) | mm | 63 x 20 | 63 x 20 | 63 x 20 | 63 x 20 | 63 x 20 | 63 x 20 | 63 x 20 |
| Z axis ( ø x pitch) | mm | 50 x 10 | 50 x 10 | 50 x 10 | 50 x 10 | 50 x 10 | 50 x 10 | 50 x 10 |
| Axial motor power (X/Y/Z) | kW | 7 / 4 / 4 | 6 / 4 / 4 | 6 / 4 / 4 | 7 / 4 / 4 | 6 / 4 / 4 | 6 / 4 / 4 | 9 / 4 / 4 |
| Tool magazine capacity (stations) | pcs. | 32 (60, 90, 120 option) | 32 (60, 90, 120 option) | 32 (60, 90, 120 option) | 32 (60, 90, 120 option) | 32 (60, 90, 120 option) | 32 (60, 90, 120 option) | 32 (60, 90, 120 option) |
| Max. tool diameter / adjacent pocket empty | mm | 127 / 215 | 127 / 215 | 127 / 215 | 127 / 215 | 127 / 215 | 127 / 215 | 127 / 215 |
| Max. tool length (from gauge line) | mm | 400 | 400 | 400 | 400 | 400 | 400 | 400 |
| Max. tool weight | kg | 20 | 20 | 20 | 20 | 20 | 20 | 20 |
| Positioning accuracy (JIS 6338) | mm | ±0.015 / full travel | ±0.015 / full travel | |||||
| Positioning accuracy (VDI 3441) | mm | P 0.025 | P 0.030 | P 0.040 | P 0.025/030 | P 0.025/030 | P 0.040/0.050 | P 0.040/0.050 |
| Repeatability (JIS 6338) | mm | ±0.003 | ±0.003 | ±0.003 | ±0.003 | ±0.003 | ||
| Repeatability (VDI 3441) | mm | Ps 0.020 | Ps 0.025 | Ps 0.030 | Ps 0.020 / 0.025 | Ps 0.020 / 0.025 | Ps 0.030 / 0.035 | Ps 0.030 / 0.035 |
| Axis guideways | Linear roller guides | Linear roller guides | ||||||
| Machine weight | kg | 29,500 | 35,500 | 40,000 | 32,300 | 39,000 | 44,500 | 50,000 |