Okuma MULTUS B
- Multitasking
- |Multitasking turn-mill machine with B-axis

Okuma MULTUS B, a 5-axis machining plant with the possibility of producing fully finished components with complex geometries.
The Okuma MULTUS B series is a range of multitasking (Turn-Mill) lathes with a B-axis milling head, combining turning and milling in a single machine. It includes the B200II, B250II, B300II, B400II, B550 and B750 models, sized for increasing production needs. The tool magazine starts with a base capacity of 20 pockets on the B200II, B250II, B300II and B400II models (expandable to 40 or 60 on the first two, and up to 120 on the latter two), while on the B550 and B750 models the base capacity rises to 40 pockets, with the option to reach up to 160. This progression allows choosing, within the same series, the configuration best suited to the complexity of machining cycles and the number of tools required, while maintaining across the whole range the multitasking layout that characterizes the MULTUS B family.
| Parameter | MULTUS B200II | MULTUS B250II | MULTUS B300II | MULTUS B400II | MULTUS B550 | MULTUS B750 |
|---|---|---|---|---|---|---|
| Turning diameter | 600 mm | 600 mm | 630 mm | 710 mm | 830 mm | 1050 mm |
| Turning length | from 550 to 750 mm | 750 mm | 900 mm | 1500, 2000 mm | 2000, 3000 mm | 3000, 4000, 6000 mm |
| Spindle – speed | 6000 [5000] min-1 | 5000 min-1 | 5000 [3800] min-1 | 3800 [2800] min-1 | 2400, [3000] min-1 | 1000, [1500], [2000] min-1 |
| Spindle power (continuous) | 11/7.5 [22/15] kW | 22/15 kW | 15/11 [22/15] kW | 22/15 [30/22] kW | 37/30 kW | 37/30 [45/37] kW |
| Spindle power (peak) | 11/7.5 [22/15] kW | 22/15 kW | 15/11 [22/15] kW | 22/15 [30/22] kW | 37/30 kW | 37/30 [45/37] kW |
| Tool magazine – capacity | 20 [40;60] | 20 [40;60] | 20 [40;60;120] | 20 [40;80;120] | 40 [80;160] | 40 [80;160] |
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