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The key feature of the FRU machining center is its travelling portal, which enables full use of the table’s working area. It is designed for machining geometrically complex workpieces. Its variability is mainly ensured by the possibility of using universal spindle heads produced by TOS Kuřim.
The machine’s high productivity reflects its structural design. High material removal rates, stable construction and automatic spindle head changing make the TOS FRU suitable for the most demanding operations. Customers use the machine, for example, for machining tramway switches, steam turbines, marine engines, Kaplan turbine blades and aircraft components.
| FRU 200-500 | FRU 300-800 | |
|---|---|---|
| Working stroke | ||
| X (longitudinal axis) [mm] | 4 000 – 22 000 | 4 000 – 24 000 |
| Y (cross axis) [mm] | 3 500 – 6 500 | 5 750 – 10 750 |
| Z (vertical axis) [mm] | 1 500 / 2 000 | 1 500 / 2 000 |
| W (adjustable crossbeam, optional) [mm] | 2 000 / 2 500 | 2 250 / 2 800 / 3 800 |
| Working feed range | ||
| X [mm/min] | 1 – 20 000 (1 – 30 000) | 1 – 15 000 |
| Y [mm/min] | 1 – 20 000 (1 – 30 000) | 1 – 20 000 |
| Z [mm/min] | 1 – 15 000 (1 – 20 000) | 1 – 15 000 |
| W (adjustable crossbeam, optional) [mm/min] | 1 – 4 000 | 1 – 4 000 |
| Passage between columns | ||
| Passage [mm] | 3 000 – 6 000 | 4 000 – 9 000 |
| Passage between table and crossbeam | ||
| Passage [mm] | 2 800 – 3 500 | 3 500 – 5 500 |
| Drive power | ||
| Drive power [kW] | 30 / 37 / 45 / 60 | 60 / 71 / 100 / 113 |
