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STUDER S 20-2 is a Cylindrical grinder designed for precision, high accuracy and reliability. Capacities: centre height 100 mm, distance between centres 400 mm, max longitudinal travel 420 mm; wheel Ø350×32 mm (bore 127), max width 50 mm; table load 20 kg. Specs: wheel speeds 1600–2200 rpm (30 m/s), hydraulic cross travel 25 mm, wheelhead 15+30°, workhead 30–1200 rpm rotatable 90°, tapers W20/4 CM/2 CM, table tilt 30°, table speed up to 4 m/min; voltage 3×380 V 50 Hz, wheel motor 3 kW, workhead 0.5 CV, total 10 kVA, weight ≈1200 kg, dims 2500×1800×1700 mm. Accessories: tailstock fine-adjust, reversible dresser, lamp, SENSITRON. Enables tight tolerances; applications: automotive, tooling, aerospace, medical, watchmaking.
| Centre height | 100 mm |
| Distance between centres | 400 mm |
| Max. Longitudinal travel | 420 mm |
| Grinding wheel: | |
| Diameter | 350 mm |
| Width | 32 mm |
| Bore | 127 mm |
| grinding wheel width | 50 mm |
| Table load max. | 20 kg |
| Grinding wheel speeds: | |
| from | 1600 t/min |
| up to | 2200 t/min |
| Peripheral speed | 30 m/s |
| Hydraulic cross travel | 25 mm |
| Angular displacement | 15+30 ° |
| Work piece spindle head: | |
| from | 30 t/min |
| up to | 1200 t/min |
| rotatable | 90 ° |
| Spindle taper (collets) | W20 |
| Spindle taper | 4 CM |
| Taper in tailstock: | 2 CM |
| Table angular displacement | 30 ° |
| Table speed: | |
| stepless | |
| from | m/min |
| up to | 4 m/min |
| Voltage 50 Hz 3x | 380 Volt |
| External Grinding wheel motor | 3 kW |
| Workhead spindle motor | 0.5 CV |
| Total power required | 10 kVA |
| Machine's weight about | 1200 kg |
| Overall dimensions machine: | |
| Length | 2500 mm |
| Width | 1800 mm |
| Height | 1700 mm |
| Various accessories: | |
| Tailstock with fine adjustement | |
| Reversible dressing device | |
| Lamp | |
| Feed SENSITRON |
