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STUDER S 145 CNC
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STUDER S 145 CNC is a CNC internal grinder engineered for precision, high accuracy and reliable production. Working capacities: max. workpiece length 850 mm, max. weight 150 kg, above table 350 mm, in front 440 mm, centre height 175 mm; Z travel 500 mm, X travel 120 mm, Q-axis ±30°, grinding wheel Ø250 mm, spindle bore 50 mm. Key specs: workpiece spindle stepless 1–1000 t/min, feed Z 0.001–10000 mm/min, X 0.001–5000 mm/min; spindle motor 3 kW; supply 3x400 V 50 Hz; total power 22 kVA; weight ≈5700 kg; footprint 3000×2000×2200 mm; wheel head swivel 0–270° with 4 positions. Equipment: dressing device with HF33 dressing spindle, coolant and paper filtration, 3-jaw chuck Ø250, foot pedal; 1 external grinding spindle (12,000 t/min) and 3 internal spindles (24k/42k/90k t/min). Refurbished 2025. Achieves tight tolerances; suitable for high-precision industries (automotive, aerospace, medical, watchmaking, machine tool manufacture).
Machine freshly overhauled approx. calendar weeks 47-48
| Workpiece length max. | 850 mm |
| Maximum workpiece weight | 150 kg |
| Swing diameter: | |
| Above the workpiece table | 350 mm |
| In front of the workpiece table | 440 mm |
| Centre height | 175 mm |
| Axial motion: | |
| Longitudinal travel (Z-axis) | 500 mm |
| Cross travel (x-axis) | 120 mm |
| Workpiece spindle stock (Q-axis) | + / -30° |
| Feed range: | |
| Z axis (longitudinal travel) | 0.001-10000 mm/min |
| X axis (transversal) | 0.001-5000 mm/min |
| Diameter of grinding wheel | 250 mm |
| C axis (spindle,resolution) | ° |
| Grinding spindle head: | |
| Swivelling range | 0 - 270 ° |
| Number of positions | 4 |
| Work piece spindle head: | |
| speeds: | |
| stepless | |
| from | 1 t/min |
| up to | 1000 t/min |
| Typing speed | 1 - 50 t/min |
| Spindle hole | 50 mm |
| taper in spindle: ISO | 50 |
| Work piece spindle nose CAMLOCK | 6'' |
| Air connect | 5 bar |
| Voltage 50 Hz 3x | 400 Volt |
| Workpiece spindle motor | 3 kW |
| Total power required | 22 kVA |
| Machine's weight about | 5700 kg |
| Overall dimensions machine: | |
| Length | 3000 mm |
| Width | 2000 mm |
| Height | 2200 mm |
| Various accessories: | |
| Redressing device | |
| Dressing spindle | HF 33 |
| Coolant system | |
| Paper filtration system | |
| 3-jaw chuck diameter | 250 mm |
| Foot pedal | |
| External grinding spindle | |
| numbers | 1 |
| max. speed | 12000 t/min |
| Internal grinding spindle: | |
| numbers | 3 |
| max. speed | 24000 t/min |
| max. speed | 42000 t/min |
| max. speed | 90000 t/min |
| Machine refurbished | 2025 |
